| License Number | Company | Address | Expire Date | Telephone | License Description |
|---|---|---|---|---|---|
| TA10070-0 | A.G.I. Geotechnical, Inc. | 7247 Hayvenhurst Ave., Unit A-2, Van Nuys, CA, 91406 | 4/1/2024 | (818) 785-5244 | Soils Testing |
| TA10191-0 | AESCO, Inc. | 17782 Georgetown Lane, Huntington Beach, CA, 92647 | 12/1/2023 | (714) 375-3830 | Concrete/Soils/Stranded Cable/Rebar |
| TA24797-0 | AGB DBA Rodney Allen Merrill | 5400 Dream Ranch Circle, Placerville, CA, 95667 | 5/1/2023 | (951) 308-0043 | ACCELEROGRAPH TESTING |
| TA10034-0 | AGE Engineering | 237 South Lamer Street, Burbank, CA, 91506 | 12/1/2023 | (818) 842-7343 | Soil Only |
| TA10130-0 | AP Engineering & Testing, Inc. | 2607 Pomona Blvd., Pomona, CA, 91768 | 5/1/2023 | (909) 869-6316 | Soils |
| TA22192-0 | APA-The Engineered Wood Association | 7011 S. 19th Street, Tacoma, WA, 98466 | 6/1/2023 | (253) 620-6600 | Testing & Grading of Wood Structural Panels/Glue Lams/I-Joist Structural Assembly |
| TA22192-1 | APA-The Engineered Wood Association | 2130 Barrett Park Dr., #102, Kennesaw, GA, 30156 | 6/1/2023 | (253) 565-6600 | Testing and grading of plywood |
| TA10005-0 | Accu-Test Structural Laboratory, Inc DBA Apex Testing & Research Laboratory | 23915 Ventura Bl, Calabasas, CA, 91302 | 1/1/2024 | (818) 591-3555 | Physical Testing |
| TA24136-0 | Accurate Weld Testing Lab. | 5451 Business Drive, Huntington Beach, CA, 92649 | 10/1/2023 | (714) 373-3852 | Weld & Welder Performance Testing - 'STR STL' / 'LG' / 'AL' / 'RB'/ SST/ NDT (RT) |
| TA24874-0 | Advanced Engineering Acoustics | 663 Bristol Ave., Simi Valley, CA, 93065 | 11/1/2023 | (805) 583-8207 | Acoustics, Noise, Vibration [Field Testing Only] |
| TA10064-0 | Advanced Geotechnical Services, Inc | 5251 Verdugo Way, Suite L, Camarillo, CA, 93012 | 2/1/2024 | (805) 388-6162 | Soils Test |
| TA24789-0 | Advanced Geotechniques | 3467 Ocean View Blvd., Suite C, Glendale, CA, 91208 | 11/1/2023 | (818) 549-0330 | Soils / Methane (Field Testing) |
| TA24831-0 | Advanced Materials Testing, LLC | 14421 W. Sylvan St., Van Nuys, CA, 91411 | 10/1/2023 | (818) 923-5800 | Soils |
| TA10222-0 | Albus & Associates, Inc. | 1011 N. Armando St., Anaheim, CA, 92806 | 11/1/2023 | (714) 630-1626 | Soils Testing and Aggregate Base |
| TA10192-0 | Allan E. Seward Engineering Geology, Inc. | 27825 Smyth Drive, Valencia, CA, 91355 | 6/1/2023 | (661) 294-0065 | Soils Testing |
| TA24884-0 | Alta California Geotechnical, Inc. | 170 N. Maple Street, Ste 108, Corona, CA, 92880 | 8/1/2023 | (951) 509-7090 | SOILS |
| TA10215-0 | American Analytics | 9765 Eton Ave., Chatsworth, CA, 91311 | 4/1/2023 | (818) 998-5547 | METHANE TESTING (LABORATORY & FIELD) |
| TA24833-0 | American Engineering Laboratories, Inc. | 205 W. La Habra Blvd., La Habra, CA, 90631 | 11/1/2023 | (562) 697-4000 | Concrete/Grout/Masonry/Mortar/Rebar/Soils/Welding/NDT[MT,PT,RT, UT, VT] |
| TA24617-0 | American Geotechnical | 22725 Old Canal Road, Yorba Linda, CA, 92887 | 5/1/2024 | (714) 685-3900 | Concrete and Soils Testing. |
| TA24896-0 | Anbessaw Consulting Inc. DBA: The Quality Firm | 177 University Parkway, Pomona, CA, 91768 | 2/1/2024 | (562) 386-7131 | Anchors, Concrete, Fireproofing, Mortar, Masonry, NDT(MT,PT,UT), Shotcrete, Soils Field Only |
| TA24715-0 | Applied Soil Technology Dba: C.M. Applied Earth Sciences DBA C.M. APPLIED EARTH SCIENCES | 4742 San Fernando Rd, Glendale, CA, 91204 | 8/1/2023 | (818) 552-6000 | SOILS LAB, AND METHANE FIELD TESTING ONLY |
| TA10003-0 | Apprentice & Journeyman Training Trust Fund dba: Southern CA Plumbing & Piping Industry | 18349 S Figueroa St, Gardena, CA, 90248 | 10/1/2023 | (310) 604-0892 | Welder Certification |
| TA24794-1 | Architectural Testing, Inc. | 2524 E. Jensen Avenue, Fresno, CA, 93706 | 4/1/2024 | (559) 233-8705 | AIR LEAKAGE,WATER RESISTANCE,STRUCTURAL LOADS,HEAT FLOW ON FENESTRATION PRODUCTS AND WALLS |
| TA23130-0 | Associated Soils Engineering, Inc. | 2860 Walnut Avenue, Signal Hill, CA, 90755 | 11/1/2023 | (562) 426-7990 | /Soils/Asphalt/Concrete Testing/ |
| TA24849-0 | Atlas Inspection and Testing | 929 Fairway Dr., Walnut, CA, 91789 | 5/1/2023 | (909) 455-3136 | /Concrete/Masonry/Rebar/Field Nondestructive Testing/ |
| TA10158-0 | Atlas Technical Consultants, LLC | 14457 Meridian Parkway, Riverside, CA, 92518 | 2/1/2024 | (951) 681-4777 | Aggregate, Concrete, Fireproofing (density & thickness), Masonry, Metallurgy, NDT, Rebar, Soils, Stranded Cable, URM In-Place Shear and WPS |
| TA24814-0 | Atlas Technical Consultants, LLC | 534 23rd Avenue, Oakland, CA, 94606 | 3/1/2024 | (510) 436-7626 | Nondestructive Testing, Structural Connections, Welder Performance Testing |
| TA00273-0 | BAGG Engineers | 138 Charcot Ave., San Jose, CA, 95131 | 1/1/2024 | (650) 852-9133 | SOILS/COMPACTION, MASONRY, CONCRETE, REBAR, STRUCTURAL STEEL NDT TESTING. |
| TA00309-0 | BWI | 881 Wabash Ave., Mentone, CA, 92359 | 8/1/2023 | (909) 561-8672 | Welder Performance Testing for D1.1, D1.2, D1.3, D1.4, D1.6 and D1.8 |
| TA24796-0 | Bay City Geology, Inc. | 24736 Calvert St., Woodland Hills, CA, 91367 | 7/1/2023 | (310) 429-6681 | Field Testing of Soils |
| TA24695-0 | Blackrock Consulting Corp. | 29134 Roadside Dr., #103-E, Agoura Hills, CA, 91301 | 4/1/2024 | (818) 723-8271 | Soils |
| TA24842-0 | Brownfield Subslab | Field testing only - No lab | 1/1/2024 | (818) 597-1448 | METHANE field testing only |
| TA10066-0 | Byer Geotechnical, Inc. | 1461 E. Chevy Chase Drive #200, Glendale, CA, 91206 | 2/1/2024 | (818) 549-9959 | Soils |
| TA10115-0 | C. Y. Geotech, Inc | 9428 Eton Ave., Unit M, Chatsworth, CA, 91311 | 4/1/2023 | (818) 341-1899 | Soils |
| TA10111-0 | C.E.M. Lab Corp. | 45 Post, Irvine, CA, 92618 | 7/1/2023 | (949) 502-4130 | Compression Strength of Concrete/Grout/Mortar/Resin Epoxies/Fireproofing Density/Rebar/Soil/ |
| TA24807-0 | CCI Partners, Inc./DBA: Pyramid Testing | 8145 Secura Way, Santa Fe Springs, CA, 90670 | 10/1/2023 | (424) 263-5955 | CONCRETE, FIREPROOFING, FRP, GROUT, MORTAR, PT CABLES, REBAR, UNREINFORCED MASONRY IN-PLACE SHEAR |
| TA24858-0 | CPP, Inc. | 7365 Greendale Road, Windsor, CO, 80550 | 12/1/2023 | Boundary-Layer Wind Tunnel Testing | |
| TA10006-0 | CSS Engineering Inc. | 14609 Whittier Blvd., Whittier, CA, 90605 | 4/1/2023 | (562) 945-8915 | Soils |
| TA24848-0 | CTM Welding | 1345 N. Dynamics St., #A, Anaheim, CA, 92806 | 7/1/2023 | (714) 577-9353 | Welder Performance Testing D1.1, D1.3 and 1.6 |
| TA10176-0 | Cal Land Engineering and Associates, Inc. | 576 East Lambert Road, Brea, CA, 92821 | 12/1/2023 | (714) 671-1050 | Soils |
| TA24568-0 | CalMat (Prev. Vulcan) | 16009 Foothill Blvd., Irwindale, CA, 91706 | 4/1/2024 | (626) 856-6190 | Concrete Design Mix, Aggregate Testing |
| TA23200-0 | CalPortland | 9350 Oak Creek Rd., Mojave, CA, 93501 | 2/1/2024 | (626) 852-6239 | Cement Testing |
| TA23200-1 | CalPortland | 11115 Casa Grande Hwy, Rillito, AZ, 85654 | 2/1/2024 | (626) 852-6239 | Cement Testing |
| TA23200-2 | CalPortland | 590 E. Live Oak Ave., Irwindale, CA, 91706 | 2/1/2024 | (626) 852-6239 | Concrete Mix Designs |
| TA23200-4 | CalPortland Oro Grande Plant | 19409 National Trails, Oro Grande, CA, 92368 | 2/1/2024 | (626) 852-6239 | Cement Testing |
| TA10076-0 | CalWest Geotechnical (DBA: LC Eng. Group. Inc.) | 889 Pierce Court, #101, Thousand Oaks, CA, 91360 | 8/1/2023 | (818) 991-7148 | Soils Testing |
| TA24779-0 | California Testing & Inspections Inc. | 15957 Vermont Ave., Paramount, CA, 90723 | 3/1/2024 | (213) 748-4900 | TESTING AGENCY (SOIL / CONCRETE / MASONRY / GROUT / MORTAR / REBAR) |
| TA24821-0 | California Welding Institute | 32081 Corydon Street, Lake Elsinore, CA, 92530 | 8/1/2023 | (951) 536-3809 | Welder Performance Testing |
| TA24889-0 | Caltech-Labs, Inc. | 420 W Lambert Road, Suite D, Brea, CA, 92821 | 7/1/2023 | (714) 255-2900 | Concrete, Grout, Motar, Rebar |
| TA24379-0 | Carpenters J.A.T.C. DBA SOUTHWEST CARPENTERS TRAINING FUND | 10015 Rose Hills Rd., Suite #200, Whittier, CA, 90601 | 3/1/2024 | (562) 699-0419 | Welder Certification, SSW, LGS, (Manual & Semi Automatic) |
| TA23197-0 | Cemex Construction Materials Pacific LLC | 16888 North 'E' Street, Victorville, CA, 92394 | 3/1/2024 | (760) 381-7681 | Cement Testing |
| TA24945-0 | Center for Building Innovation | 6300 Enterprise Ln., Madison, WI, 53719 | 6/1/2023 | (608) 310-6739 | Mechanical and Structural Testing of Concrete, Fiber Reinforced Polymers, Plastics, Steel and Wood |
| TA24168-0 | Cerritos Community College | 11110 E Alondra Bl, Norwalk, CA, 90650 | 3/1/2024 | (562) 860-2451 | Welder Performance Testing |
| TA24861-0 | Citadel Environmental Services, Inc. dba: Citadel EHS | 1725 Victory Blvd., Glendale, CA, 91201 | 6/1/2023 | (818) 246-2707 | Field testing only of methane |
| TA02222-0 | City of Los Angeles - Dept of General Services | 2319 Dorris Place, Los Angeles, CA, 90031-1014 | 7/1/2023 | (213) 485-2242 | Concrete, Masonry, Soils, Steel |
| TA24573-0 | City of Los Angeles- Dept of Water and Power | 510 E. 2nd St., Los Angeles, CA, 90012 | 4/1/2023 | (213) 367-8814 | Concrete and Soils |
| TA24455-0 | College Of The Canyons/Santa Clarita Community College | 26455 Rockwell Canyon Rd, Santa Clarita, CA, 91355 | 3/1/2024 | (661) 259-7800 | Welding Testing |
| TA10041-0 | Construction Testing and Engineering, Inc. | 1441 Montiel Road, Suite 115, Escondido, CA, 92026 | 2/1/2024 | (760) 746-4955 | Soil / Concrete / Masonry / Reinforcing Steel Testing / 'NDT' |
| TA12117-0 | Converse Consultants West | 717 S. Myrtle Ave, Monrovia, CA, 91016-3500 | 7/1/2023 | (626) 930-1200 | Soils / Concrete / Masonry / Fireproofing / High Strength Bolts / Rebar / Aggregate / Methan Field Testing |
| TA10211-0 | DL Science, Inc. | 532 W. Maple Avenue, El Segundo, CA, 90245 | 1/1/2024 | (818) 731-9644 | Methane (Field Testing Only) |
| TA10174-0 | David H. Lee & Associates, Inc. | 23011 Moulton Pkwy. Suite D-12, Laguna Hills, CA, 92653 | 10/1/2023 | (949) 461-5690 | Soils Testing |
| TA24733-0 | Decisive Testing, Inc | 4735 Myrtle Av, San Diego, CA, 92105 | 4/1/2024 | (619) 285-9006 | Chemical Analysis, Non-Destr. & Metallurgical Testing, Welder & Weld Certs For Struct., Light GA., Rebar Welding |
| TA10225-0 | Dick Nigra Inspections, Inc. | 4735 Oakado Place, La Canada, CA, 91011 | 5/1/2023 | (818) 957-2759 | Anchors, Concrete, Grout, Mortar, Fireproofing, Steel Nondestructive Testing (UT, MT, PT) |
| TA10225-1 | Dick Nigra Inspections, Inc. | 48940 Three Points Road, Lake Hughes, CA, 92411 | 5/1/2023 | (818) 957-2759 | Anchors, Concrete, Fireproofing, Grout, Mortar |
| TA10169-0 | Don Soils Engineering Co. | 2225 S. La Brea Avenue, Los Angeles, CA, 90016 | 6/1/2023 | (323) 936-6763 | Soils Testing |
| TA24952-0 | Dynamic Education | 750 W. Battery St., San Pedro, CA, 90731 | 6/1/2023 | (424) 264-5622 | Weld Testing AWS D1.1, D1.2, D1.6 |
| TA10207-0 | EFI Global | 317 South Isis Avenue, Ste 207, Inglewood, CA, 90301 | 10/1/2023 | (310) 854-6300 | Methane (Field Testing Only) |
| TA10109-0 | EGLAB, Inc. | 11819 Goldring Road, Unit D, Arcadia, CA, 91006 | 6/1/2023 | (626) 263-3588 | Soils |
| TA24909-0 | ENGEO Incorporated | 29025 Avenue Penn, Valencia, CA, 91355 | 5/1/2023 | (661) 257-4004 | Concrete, Soils |
| TA24810-0 | Earth Mechanics, Inc. | 17800 Newhope Street, Ste. B, Fountain Valley, CA, 92708 | 10/1/2023 | (714) 751-3826 | Soils |
| TA10062-0 | Earth Systems Pacific | 2122 E. Walnut Street, Suite 200, Pasadena, CA, 91107 | 12/1/2023 | (626) 356-0955 | CONCRETE/MASONRY/SOILS/STEEL/REBAR |
| TA24885-0 | El Camino Community College | 16007 Crenshaw Blvd, Torrance, CA, 90506 | 12/1/2023 | (310) 660-3593 | Welder Performance Testing for D1.1 and D1.3 |
| TA24895-1 | Element Materials Technology Canada Inc. | 2395 Speakman Drive, Mississauga, ON, L5K 1B3 | 2/1/2024 | (905) 822-4111 | Exterior Façade and Fenestration, Fire Resistance, Flame Spread, Smoke Density and Thermal Insulation |
| TA24895-0 | Element Materials Technology-LA | 1857 Business Center Drive, Duarte, CA, 91010 | 4/1/2024 | (818) 296-0442 | SPC: (Non-Metalics) |
| TA10218-0 | Environmental Management Strategies, Inc. dba Environmental Support Technologies | 8 Goodyear, Suite 125, Irvine, CA, 92618 | 12/1/2023 | (949) 679-9500 | SOILS - GAS AND METHANE FIELD TESTING |
| TA24824-0 | FDC & Associates Corporation | 322 W. Orange Show Lane, San Bernardino, CA, 92408 | 3/1/2024 | (909) 388-7200 | Soils |
| TA24338-0 | FM Approvals LLC | 743 Reynolds Road, West Glocester, RI, 92814 | 7/1/2023 | (401) 567-5000 | Fire Tests, Label Service and Roof Assemblies |
| TA24871-0 | FTL, Inc. | 10235 8th St., Rancho Cucamonga, CA, 91730 | 10/1/2023 | (909) 477-4343 | Fenestration Testing |
| TA10233-0 | Farabaugh Engineering & Testing | 401 Wide Drive, McKeesport, PA, 15135 | 10/1/2023 | (412) 751-4001 | Clay Tile, Composite Panels, Curtain Walls, Diaphragms, Impact, Performance, Water Penetration, Windows and Field Testing of Architectural Components |
| TA10219-0 | Feffer Geological Consulting | 1990 S. Bundy Drive, Suite 400, Los Angeles, CA, 90025 | 10/1/2023 | (310) 207-5048 | Field Methane Testing and Field Soil Compaction Testing |
| TA24862-0 | Fenagh Engineering and Testing, LLC | 9070 Center Ave, Rancho Cucamonga, CA, 91730 | 10/1/2023 | (909) 587-6374 | Soils Testing, Compaction, Asphalt, Aggregate, Concrete, Mix Designs, Masonry, Fireproofing, NDT Steel Testing ( UT, VT,PT, MT) |
| TA10018-1 | Field Ironworkers Apprenticeship and Training | 15488 Arrow Blvd, Fontana, CA, 92335 | 5/1/2024 | (714) 228-9744 | Welder Performance Testing - AL, LG, RB, STL, SST |
| TA10018-0 | Field Ironworkers Apprenticeship and Training Program | 5555 Fresca Drive, La Palma, CA, 90623 | 5/1/2024 | (714) 228-9744 | Welder Performance Testing - LG, RB and STL |
| TA24892-0 | Francis Krahe & Associates, Inc. | 304 South Broadway Suite 300, Los Angeles, CA, 90013 | 4/1/2024 | Field Testing of Lighting (BUG, Intensity, Luminance, Trespass) | |
| TA10228-0 | Fransen Inspection Technology | 2301 E. 28th St. Suite 301, Signal Hill, CA, 90755 | 9/1/2023 | (714) 642-5842 | NDT/UT/MAGNETIC PARTICLE/ FIELD TESTING ONLY |
| TA00250-0 | Frey Environmental, Inc. | 2817-A Lafayette Avenue, Newport Beach, CA, 92663 | 5/1/2024 | (949) 723-1645 | METHANE INVESTIGATIONS - CATEGORY 'D' AGENCY - FIELD TESTING |
| TA10036-0 | Fullerton College | 321 E Chapman Ave., Bldg 700, Fullerton, CA, 92634 | 5/1/2024 | (714) 992-7000 | Welding Testing, SSW, LG |
| TA24811-0 | GMU Geotechnical, Inc. | 23241 Arroyo Vista, Rancho Santa Margarita, CA, 92688 | 2/1/2024 | (949) 888-6513 | SOILS, ASPHALT AND AGGREGATES |
| TA24254-0 | GSS Engineering, Inc. | 11823 Slauson Avenue, Ste. 46, Santa Fe Springs, CA, 90670 | 11/1/2023 | (562) 696-6062 | SOILS TESTING |
| TA10195-0 | Geo Environ Engineering Consultants | 4071 E. La Palma Ave., Ste #B, Anaheim, CA, 92807 | 6/1/2023 | (714) 632-3190 | Soils Testing |
| TA10203-0 | Geo Environmental Resources Inc. | 2511 W. La Palma Ave., Ste. E, Anaheim, CA, 92801 | 7/1/2023 | (714) 995-9001 | Soils |
| TA24845-0 | Geo Forward, Inc. | 445 S. Figueroa Street, Ste 3100, Los Angeles, CA, 90071 | 8/1/2023 | (888) 930-6604 | Methane Field Testing |
| TA24863-0 | Geo Tek, Inc. | 1552 N. Maple St., Corona, CA, 92878 | 3/1/2024 | (951) 710-1160 | Aggregate, Concrete, Masonry and Soils |
| TA24835-0 | Geo-Advantec, Inc. | 457 West Allen Ave., Suite 113, San Dimas, CA, 91773 | 2/1/2024 | (909) 305-0400 | Concrete/Masonry/Soils |
| TA10108-0 | GeoConcepts, Inc. | 14428 Hamlin Street, Suite 200, Van Nuys, CA, 91401 | 6/1/2023 | (818) 994-8895 | Soils Testing |
| TA10234-0 | GeoKinetics LLP | 77 Bunsen, Irvine, CA, 92618 | 6/1/2023 | (949) 502-5353 | Methane, Soils and Waterproofing Membranes |
| TA23920-0 | GeoSoils Consultants Inc. | 6634 Valjean Ave., Van Nuys, CA, 91406 | 7/1/2023 | (818) 785-2158 | Soils Testing |
| TA24893-0 | Geoboden, Inc. | 28 Edelman, Irvine, CA, 92618 | 9/1/2023 | (949) 872-9565 | Methane Field and Soils |
| TA10188-0 | Geocon West, Inc. | 3303 N. San Fernando Blvd. Suite 100, Burbank, CA, 91504 | 4/1/2023 | (818) 841-8388 | Soils/Concrete/Grout/Masonry/Asphalt |
| TA10198-0 | Geologic Associates | 3921-A E. La Palma Ave., Anaheim, CA, 92807 | 12/1/2023 | (909) 772-4345 | Soils Testing Lab |
| TA24888-0 | Geolotech, Inc | 5101 Balboa Blvd #128, Encino, CA, 91316 | 4/1/2024 | (818) 383-5081 | Field Testing Only of Soils |
| TA10217-0 | Geomat Testing Laboratories, Inc. | 9980 Indiana Ave., Suite 14, Riverside, CA, 92503 | 9/1/2023 | (951) 688-5400 | Soils, Concrete & Masonry Testing Lab |
| TA24886-0 | Geoscience Analytical LLC | 3604 Highbury Court, Simi Valley, CA, 93063 | 3/1/2024 | (805) 428-3674 | METHANE TESTING |
| TA24300-0 | Geosystems, Inc. | 1545 Victory Blvd. 2nd floor, Glendale, CA, 91201 | 11/1/2023 | (818) 500-9533 | Soils Testing |
| TA24800-0 | Geotech Consultants, Inc | 1545 N. Verdugo Rd., Unit #7, Glendale, CA, 91208 | 3/1/2024 | (747) 215-6337 | SOILS |
| TA10056-0 | Geotechnical Professionals, Inc | 5736 Corporate Ave., Cypress, CA, 90630 | 11/1/2023 | (714) 220-2211 | Soils Testing |
| TA10086-0 | Geotechnical Soilutions, Inc. | 11080 Tuxford St., Sun Valley, CA, 91352 | 10/1/2023 | (323) 937-1097 | Soils Compaction (Field Testing Only) |
| TA10084-0 | Geotechnical Solutions, Inc | 27 Mauchly Suite 210, Irvine, CA, 92618 | 10/1/2023 | (949) 453-0406 | Soils Testing |
| TA23666-0 | Geotechnologies, Inc. (Prev. Jerry Kovacs & Associates ) | 439 Western Avenue, Glendale, CA, 91201 | 7/1/2023 | (818) 240-9600 | Soil Testing |
| TA24614-0 | Giles Engineering Associates, Inc | 1965 N. Main St., Orange, CA, 92865 | 10/1/2023 | (714) 279-0817 | Soils |
| TA00254-0 | Gillibrand Industrial Sands | 5810 Bennett Road, Simi Valley, CA, 93063 | 5/1/2023 | (805) 520-8720 | Aggregate Testing |
| TA10126-0 | Gold Coast Geo Services, Inc. | 5251 Verdugo Way, Ste. J, Camarillo, CA, 93012 | 12/1/2023 | (805) 484-5070 | Soils |
| TA23870-0 | Gorian and Associates, Inc | 3595 Old Conejo Road, Thousand Oaks, CA, 91320 | 12/1/2023 | (805) 375-9262 | Soils/Concrete/Masonry/Grout/Compression Testing |
| TA24891-0 | Gradient Wind Engineering Inc | 127 Walgreen Road, Ottawa, Ontario, K0A 1L0 Canada | 8/1/2023 | Wind Tunnel | |
| TA10096-0 | Group Delta Consultants, Inc. | 1320 S. Simpson Circle, Anaheim, CA, 92806 | 9/1/2023 | (714) 660-7500 | Soils, Concrete, Masonry, Aggregate, Grout, Mortar, Welding Performance Testing, Asphalt, Reinforcing Steel |
| TA10096-2 | Group Delta Consultants, Inc. | 9245 Activity Road, Suite 103, San Diego, CA, 92126 | 9/1/2023 | (858) 536-1000 | Aggregates, Asphalt, Concrete, Fireproofing, Masonry, Soils |
| TA10024-0 | Grover-Hollingsworth and Associates, Inc | 31129 Via Colinas, Suite #707, Westlake Village, CA, 91362 | 7/1/2023 | (818) 889-0844 | Soil Testing |
| TA10231-0 | H & P Mobile Geochemistry | 2470 Impala Drive, Carlsbad, CA, 92010 | 11/1/2023 | (760) 804-9678 | METHANE FIELD TESTING ONLY - CATEGORY B |
| TA24887-0 | HD Geosolutions, INC. | 9300 Oso Ave Unit A, Chatsworth, CA, 91311 | 4/1/2024 | (818) 357-5845 | SOILS TESTING, CONCRETE |
| TA10199-0 | Hamilton & Associates, Inc. | 1641 Border Ave, Torrance, CA, 90501 | 7/1/2023 | (310) 618-2190 | Soils Testing and Concrete Cylinders |
| TA24660-0 | Harbor Occupational Center | 740 N. Pacific Avenue, San Pedro, CA, 90731 | 4/1/2024 | (310) 241-4800 | Welder Performance Testing |
| TA10072-0 | Harrington Geotech Engineering, Inc | 1590 N. Brian Street, Orange, CA, 92867 | 6/1/2023 | (714) 637-3093 | Soils & ConcreteTesting |
| TA24929-0 | Heathcote Geotechnical | 1884 Eastman Ave. #105, Ventura, CA, 93003 | 3/1/2024 | (805) 644-9978 | Soils |
| TA24989-0 | Home Innovation Research Labs | 450 Prince George's Blvd., Upper Marlboro, MD, 20774 | 2/1/2024 | (301) 249-4000 | Durability, Material Properties, Moisture, Thermal, Structural and Weather Resistance |
| TA10185-0 | Hushmand Associates, Inc. | 250 Goddard, Irvine, CA, 92618 | 11/1/2023 | (949) 777-1268 | Soils and Concrete Testing |
| TA24830-0 | I.F.I. Institut fur Industrieaerodynamik GmbH | Welkenrather Strasse 120, Aachen, 52074 | 9/1/2023 | Wind Tunnel Testing of Buildings and Structures | |
| TA24790-0 | ICC NTA, LLC | 257 E. Randolph Street, Nappanee, IN, 46550 | 8/1/2023 | (574) 773-7975 | adhesives, assmblies, environmental, fasteners, gypsum board, metals, paints, plastics, roofs, sealants, termites, walls, wood |
| TA10232-0 | ICC PEI, LLC | 58640 State Road 15, Goshen, IN, 46528 | 11/1/2023 | (574) 533-0337 | Adhesives, Composite Walls, Deck Board, Diaphragms, Fasteners, Guardrail Systems, Gypsum Wallboard, Product Listings |
| TA00301-0 | Independent Solutions | 511 Central Ave., Lake Elsinore, CA, 92530 | 4/1/2023 | (951) 674-3222 | /Concrete/Masonry/Rebar/Soils/NDT[MT,PT,UT] |
| TA10249-0 | Inland Engineering Technologies, Inc. | 41655 Reagan Way, Suite # E, Murrieta, CA, 92562 | 9/1/2023 | (951) 894-6464 | Concrete, Grout, Mortar and Soils |
| TA10166-0 | Inspection Resources, Co. | 3033 S. Harbor Blvd., Santa Ana, CA, 92704 | 8/1/2023 | (714) 427-0501 | NDT - ULTRASONIC('UT'), MAGENTIC PARTICLE ('MT') |
| TA24839-0 | Interra, Inc. | 14433 N. 73RD Street, Scottsdale, AZ, 85260 | 7/1/2023 | (602) 541-5727 | Welder Performance Testing D1.1, D1.3, D1.4 and NDT |
| TA24080-3 | Intertek Building & Construction | 16015 Shady Falls Rd, Elmendorf, TX, 78112-7984 | 4/1/2024 | (210) 635-8100 | Fire Testing Labeling |
| TA24794-2 | Intertek Building & Construction | 25800 Commercentre Dr., Lake Forest , CA, 92630 | 3/1/2024 | (949) 448-4100 | Building and Construction Products |
| TA24794-3 | Intertek Building & Construction | 2658 Electronics Way, West Palm Beach, FL, 33407 | 3/1/2024 | (561) 881-0020 | Structural/Curtain Wall/Physical/Concrete/Masonry/Safety Glazing/Windows/Doors/Skylights |
| TA24794-4 | Intertek Building & Construction | Plant 5, 6958 Daye Road, Fengxian District, Shanghai, People's Republic of China, 201405 | 5/1/2024 | (717) 572-7252 | Acoustics, Fenestration, Fire, Impact, Structural, Ultraviolet, Weathering |
| TA24080-2 | Intertek Testing Services | 8431 Murphy Dr, Middleton, WI, 53562 | 11/1/2023 | (608) 836-4400 | Analytical Analysis, Environmental, Fire, Hearth Products, Lumber Resistance, Small Scale Fire and Windstorm Resistance |
| TA24080-0 | Intertek Testing Services NA Inc. | 3933 US Route 11, Cortland, NY, 13045 | 1/1/2024 | (607) 753-6711 | Acoustics and Glazing |
| TA24794-0 | Intertek-ATI | 130 Derry Court, York, PA, 17406 | 7/1/2023 | (717) 764-7700 | Acoustics, Concrete, Curtain Walls, Deck Board, Doors, Fire, Handrails, Masonry, Physical, Skylights, Safety Glazing, Structural, Thermal, Windows |
| TA24794-5 | Intertek-ATI | No. 6999 Daye Road, Fengxian District, Shanghai, 201405 | 5/1/2024 | (717) 572-7252 | Curtain Walls, Fenestration, Impact |
| TA10252-0 | Irvine Geotechnical, Inc. | 145 N. Sierra Madre Blvd., #1, Pasadena, CA, 91107 | 10/1/2023 | (626) 844-6641 | Soils Field Testing only |
| TA24851-0 | JE & B Engineering, Inc. | 832 W 9th St, Upland, CA, 91786 | 2/1/2024 | (626) 255-2148 | SOILS/COMPACTION,CONCRETE,GROUT,MORTAR,MIX DESIGN, STEEL NDT [VT, UT, MT, PT] |
| TA24865-0 | JT Engineering | 33336 N. Agua Dulce Cyn Road #103, Agua Dulce, CA, 91390 | 1/1/2024 | (661) 268-8899 | Testing Agency for Nuclear Gauge Testing of Soil (Field Only) |
| TA10224-0 | KM3N -B, INC. DBA Terra-Petra | 700 S. Flower St., Suite #2580, Los Angeles, CA, 90017 | 5/1/2024 | (213) 458-0494 | Methane Soil Gas Investigations (Field Work Only) |
| TA24446-0 | Kinemetrics, Inc | 222 Vista Ave., Pasadena, CA, 91107 | 5/1/2023 | (626) 744-5090 | Accelerograph Testing |
| TA23149-0 | Kleinfelder West, Inc. | 620 South Magnolia Ave., Building "G", Ontario, CA, 91762 | 5/1/2024 | (909) 657-1716 | CONCRETE / MASONRY / STEEL / AGGREGATES / SOILS / 'NDT' / FIREPROOFING / METHANE TESTING / REBAR |
| TA24933-0 | Kling Consulting Group, Inc. | 18008 Sky Park Circle, Suite 150, Irvine, CA, 92614 | 1/1/2024 | (949) 797-6241 | Soils |
| TA10129-0 | Koury Engineering and Testing, Inc. | 14280 Euclid Avenue, Chino, CA, 91710 | 4/1/2024 | (909) 606-6111 | /Aggregates/Asphalt/Concrete/Fireproofing/Fiber Reinforced Polymers/Grout/Masonry/Nondestructive/Rebar/Soil/Stranded Steel Cables/ |
| TA10129-1 | Koury Engineering and Testing, Inc. | 11473 Pacific Ave., Fontana, CA, 92337 | 4/1/2024 | (909) 988-4054 | Nondestructive Testing (ET,LT,MT,PT,RT,UT,VT) |
| TA24785-0 | Krazan & Associates, Inc. | 215 W. Dakota Avenue, Clovis, CA, 93612 | 9/1/2023 | (559) 348-2200 | SOILS/MASONRY/CONCRETE |
| TA24785-1 | Krazan & Associates, Inc. | 1100 Olympic Drive, Ste. 103, Corona, CA, 92881 | 9/1/2023 | (951) 273-1011 | SOILS/MASONRY/CONCRETE |
| TA24785-2 | Krazan & Associates, Inc. | 2205 Coy Avenue, Bakersfield, CA, 93307 | 9/1/2023 | (661) 837-9200 | SOILS/MASONRY/CONCRETE/REBAR/WELDING/NON-DESTRUCTIVE TESTING |
| TA24785-3 | Krazan & Associates, Inc. | 42326 10th Street West, Ste. A, Lancaster, CA, 93534 | 9/1/2023 | (661) 726-9424 | SOILS/CONCRETE/MORTAR/GROUT COMPRESSION |
| TA24806-0 | LK Geotechnical Engineering, Inc. | 10120 National Blvd, Los Angeles, CA, 90034 | 1/1/2024 | (310) 866-8977 | SOILS COMPACTION ( FIELD TESTS ONLY ) |
| TA10106-0 | Leedco Engineers, Inc. | 3380 Flair Drive, Suite 225, El Monte, CA, 91731 | 6/1/2023 | (626) 234-2247 | Soils |
| TA10069-0 | Leighton Consulting Inc. (Prev. Teratest Labs, Inc.) | 17781 Cowan Avenue, Irvine, CA, 92614-6009 | 5/1/2023 | (949) 250-1421 | SOILS, CONCRETE, MASONRY, GROUT, MORTAR, STEEL, REBAR, POST TENSION CABLES, METHANE ( FIELD TESTING ONLY ) |
| TA10240-0 | Leighton and Associates, Inc. | 17781 Cowan, Irvine, CA, 92614 | 5/1/2023 | (949) 250-1421 | SOILS, CONCRETE, GROUT, MORTAR, MASONRY, STEEL, REBAR, POST TENSION CABLES AND METHANE ( FIELD TESTING ONLY ) |
| TA23288-0 | Long Beach City College | 1305 E Pacific Coast Hwy. Bldg II, Long Beach, CA, 90806 | 6/1/2023 | (562) 938-4624 | Welding Certification in Structural Steel Welding only |
| TA10220-0 | Los Angeles Trade Technical College (WELDING TECH. DEPT.) dba LATTC | 400 West Washington Blvd., Bldg. F, Los Angeles, CA, 90015 | 12/1/2023 | (213) 763-3700 | WELDERS CERTIFICATION FOR ( SSW AND LIGHT GAGE) |
| TA10129-2 | MB Professional Service, Inc. | 1227 West Brooks St., Unit J, Ontario, CA, 91762 | 6/1/2023 | (909) 988-2795 | Field Only for Soils and Nondestructive Testing (MT, PT, RAM, RT, UT, VT, X-Ray) |
| TA10057-0 | MTC Engineering, Inc. | 5924 Temple City Blvd., Temple City, CA, 91780 | 2/1/2024 | (626) 287-6416 | Soils Testing |
| TA24780-0 | MTGL, Inc. | 2992 E. La Palma Ave. Suite #A, Anaheim, CA, 92806 | 5/1/2024 | (714) 632-2999 | SOILS / CONCRETE-MORTAR-GROUT COMPRESSION / REBAR / BOLTS / SFRM / CABLE / ROOFING |
| TA23199-0 | Martin Marietta Southern California Cement, LLC | 13573 Tehachapi Blvd, Tehachapi, CA, 93561 | 3/1/2024 | (661) 822-4445 | Cement Test |
| TA00300-0 | Maxine Waters Career Prep Ctr. | 10925 S. Central Avenue, Los Angeles, CA, 90059 | 10/1/2023 | (323) 357-7700 | Welder Certification: SSW, TKY Connections |
| TA24878-0 | Mesopotamia Geotechnical Consultants | 10346 Samoa Ave, Tujunga, CA, 91042 | 4/1/2024 | (818) 399-9807 | Soil Compaction Field Testing Only |
| TA24876-0 | Methane Specialists | 5210 Lewis Road, Ste. 1, Agoura Hills, CA, 91301 | 5/1/2024 | (805) 987-5356 | Field Testing of Methane |
| TA23205-0 | Mitsubishi Cement Corporation | 5808 State Highway 18, Lucerne Valley, CA, 92356 | 4/1/2024 | (760) 248-5172 | Cement Testing |
| TA24873-0 | Molimo Architectural Product Testing | 1410 Eden Road, York, PA, 17402 | 10/1/2023 | (717) 916-6300 | /Doors/Windows/Skylights/Fenestration/Physical/Curtain Walls/Safety Glazing/ |
| TA24836-0 | Monroe Inspection & Testing Service | 3227 Producer Way, Unit 133, Pomona, CA, 91768 | 7/1/2023 | (213) 422-7488 | Concrete, Masonry, Welder Performance Testing |
| TA10245-0 | Moore Twining & Associates, Inc. | 2527 Fresno St., Fresno, CA, 93721 | 9/1/2023 | (559) 268-7021 | Cable, Concrete, Masonry, Rebar, Soils and Welder Performance Testing |
| TA10245-1 | Moore Twining Associates, Inc. | 11800 Sterling Ave., Suite C, Riverside, CA, 92503 | 9/1/2023 | (951) 898-8932 | Concrete, Masonry and Soils |
| TA24169-0 | Mt. San Antonio College | 1100 North Grand Avenue, Bldg 69, Rm 10A, Walnut, CA, 91789 | 3/1/2024 | (909) 274-4638 | Welder Performance Testing for Structural Steel and Sheet Steel |
| TA24793-0 | NMG Geotechnical | 17991 Fitch, Irvine, CA, 92614 | 8/1/2023 | (949) 442-2442 | SOILS TESTING, COMPRESSION TESTING OF CONCRETE AND MORTAR |
| TA24894-0 | NOVA Geotechnical and Inspection Services dba Universal Engineering Sciences | 16 Technology Dr., Ste 139, Irvine, CA, 92618 | 9/1/2023 | (949) 537-3222 | CONCRETE, SOILS |
| TA25000-0 | NOVA Services, Inc. | 944 Calle Amanecer, Suite F, San Clemente, CA, 92673 | 3/1/2024 | (949) 388-7710 | Concrete and Soils |
| TA10077-0 | National Cement Company of California, Inc. | Lebec Cement Plant, 5 Miles East of I-5 off Hwy 138, Lebec, CA, 93243 | 6/1/2023 | (661) 248-6733 | Cement |
| TA10235-0 | National Inspection and Testing | 6110 Ferguson Drive, Commerce, CA, 90022 | 12/1/2023 | (310) 930-5515 | Testing Agency/Concrete/Masonry/Mortar/Grout Compression/Shear & Tension of Anchor Bolts/NDT/UT/Magnetic Particle/Dye Penetration/In-Place Shear |
| TA10077-1 | National Ready Mixed Concrete Co. | 1830 S. Milliken Avenue, Ontario, CA, 91761 | 4/1/2024 | (909) 657-4000 | CONCRETE |
| TA24820-0 | Nelson Testing Laboratories | 717 N. Industrial Drive, Elmhurst, IL, 60126 | 7/1/2023 | (630) 501-0230 | CONCRETE / MASONRY / WATERPROOFING |
| TA10087-0 | Ninyo and Moore | 475 Goddard, Suite 200, Irvine, CA, 92618 | 10/1/2023 | (949) 753-7070 | Concrete, Flex Beams, Grout, Methane, Mortar, Soils |
| TA10087-1 | Ninyo and Moore | 5710 Ruffin Road, San Diego, CA, 92123 | 5/1/2024 | (858) 576-1000 | Concrete/Grout/Mortar/Steel Flex Beams/Soils |
| TA10030-0 | NorCal Engineering | 10641 Humbolt St, Los Alamitos, CA, 90720 | 10/1/2023 | (562) 799-9469 | Soils Testing Lab |
| TA10065-0 | Operating Engineers Training Trust | 2200 S. Pellissier Place, Whittier, CA, 90601 | 4/1/2024 | (562) 695-0611 | Welder Performance Testing for Structural Steel and Tubular |
| TA10239-0 | Optimal Technology | 1667 Cross Bridge Place, Thousand Oaks, CA, 91362 | 5/1/2024 | (818) 734-6230 | Methane Field Testing Only |
| TA10094-0 | P.A. and Associates, Inc. | 30 Edelman, Irvine, CA, 92618 | 9/1/2023 | (949) 679-7474 | Soils |
| TA24627-0 | PFS Corporation | 1507 Matt Pass, Cottage Grove, WI, 53527 | 12/1/2023 | (608) 839-1013 | Glued Wood Products, Wood Trusses, and Composite Wall testing |
| TA24819-0 | PRI Construction Materials Technologies LLC | 6410 Badger Drive, Tampa, FL, 33610 | 6/1/2023 | (813) 621-5777 | Exterior Walls, Floors, Foundations, Methane Membranes, Plastics, Roof Coverings, Rubber, Thermal Insulation |
| TA10186-0 | Pacific Geotech Inc | 1424 Rolling Hills Dr., Fullerton, CA, 92835 | 3/1/2024 | (626) 675-1254 | Soils Testing |
| TA00302-0 | Parikh Consultants, Inc. | 1497 N. Milpitas Blvd., Milpitas, CA, 95035 | 12/1/2023 | (408) 452-9000 | Soils Testing Lab |
| TA24837-0 | Pasadena City College | 1570 E. Colorado Blvd., Pasadena, CA, 91106 | 5/1/2023 | (626) 585-7123 | Welder Performance Testing |
| TA24860-0 | Petra Geosciences, Inc. | 1251 W. Pomona Road #103, Corona, CA, 92882 | 6/1/2023 | (657) 269-4966 | Soil Testing |
| TA10210-0 | PlaceWorks, Inc. | 700 S. Flower St., Suite 600, Los Angeles, CA, 90017 | 2/1/2024 | (714) 966-9220 | Methane Testing ( Field Testing Only) |
| TA22916-0 | Port of Los Angeles Test Laboratory | 514 Pier 'A' Street Berth 161, Wilmington, CA, 90744 | 7/1/2023 | (310) 732-3974 | Concrete, Masonry, Steel and Soil Testing |
| TA24464-0 | Professional Services Industries, Inc | 11980 Telegraph Road, Unit #104, Santa Fe Springs, CA, 90670 | 10/1/2023 | (714) 484-8600 | Concrete, Masonry, Roofing, In-Place Shear (URM) and Soil Testing |
| TA24788-0 | QAI Laboratories, Inc.(Quality Auditing Institute) | 8385 White Oak Avenue, Rancho Cucamonga, CA, 91730 | 11/1/2023 | (909) 483-0250 | METALLURGICAL/CHEMICAL ANALYSIS/TEXTILE/CURTAIN WALLS/PHYSICAL & STRUCTURAL PROPERTIES OF CONSTRUCTION MATERIALS/FLAMMABILITY/SPRAYED FIREPROOFING & FIRE TEST |
| TA00248-0 | R & D Services, Inc. | 209 Tennessee Blvd., Watertown, TN, 37184 | 12/1/2023 | (931) 372-8871 | Chemical and Physical Properties of Thermal Insulation |
| TA23113-0 | R & R Services Corp. dba Geolabs-Westlake Village | 3595 Old Conejo Road, Thousand Oaks, CA, 91320 | 7/1/2023 | (818) 889-2562 | SOILS/AGGREGATES/MORTAR/GROUT/CONCRETE/REBAR/PULL OUT OF REBAR AND ANCHOR BOLTS |
| TA22788-0 | R. T. Frankian & Associates | 26027 Huntington Lane, Suite A, Santa Clarita, CA, 91355 | 4/1/2024 | (661) 257-5800 | Soils Testing |
| TA00288-0 | RMA GeoScience | 9854 Glenoaks Blvd., Sun Valley, CA, 91352 | 7/1/2023 | (800) 762-4396 | Soils Testing, Concrete Compression Testing |
| TA23752-0 | RMA Group | 12130 Santa Margarita Court, Rancho Cucamonga, CA, 91730 | 9/1/2023 | (909) 989-1751 | Asphalt, Concrete, Masonry, Rebar and Soils |
| TA23752-2 | RMA Group | 1210 E. 223rd St. Suite 319, Carson, CA, 90745 | 9/1/2023 | (310) 684-4854 | Asphalt, Concrete, Grout, Masonry, Mortar and Soils |
| TA23501-0 | Ralph Stone & Company | 10954 Santa Monica Blvd., Los Angeles, CA, 90025 | 6/1/2023 | (310) 478-1501 | Soils and Methane |
| TA24869-0 | ReIgnite Hope | 14333 S. Figueroa St., Gardena, CA, 90248 | 11/1/2023 | (310) 847-0593 | Welder Performance Testing: D1.1, D1.2, D1.3 and D1.6 |
| TA24817-0 | Reftek Systems, Inc. | 75 MacDonald Ave., Halifax, Nova Scotia, B3B 1T8 | 5/1/2024 | (902) 293-2418 | Accelerographs |
| TA24900-0 | Reliant Testing Engineers, Inc. | 3033 & 3035 S. Harbor Blvd., Santa Ana, CA, 92704 | 9/1/2023 | (714) 556-5867 | CONCRETE, MASONRY, MORTAR, GROUT, FIREPROOFING, SHOTCRETE, REBAR, PT, BOLTS, ROCKWELL HARDNESS |
| TA24844-0 | Rio Hondo College | 3600 Workman Mill Road, Whittier, CA, 90601 | 4/1/2024 | (562) 463-7368 | Welder Qualification Testing |
| TA10078-0 | Riverbank Acoustical Laboratories | 1512 S. Batavia Avenue, Geneva, IL, 60134 | 10/1/2023 | (630) 232-0104 | Acoustic Testing |
| TA24457-0 | Riverside Community College DBA Riverside City College | 4800 Magnolia Avenue, Riverside, CA, 92506 | 3/1/2024 | (951) 222-8279 | WELDER QUALIFICATION TESTING - 'SSW' & 'LG' |
| TA24802-0 | Robles Engineering, Inc. | 449 W. Allen Avenue #101, San Dimas, CA, 91773 | 4/1/2024 | (818) 314-8166 | SOILS |
| TA24852-0 | Rowan Williams Davies & Irwin Inc. | 600 Southgate Drive, Guelph, ON N1G 4P6, | 5/1/2024 | (519) 823-1311 | Wind Tunnel Testing of Buildings and Structures |
| TA10181-0 | Rybak Geotechnical, Inc. | 16022 Arminita Street # 7, Van Nuys, CA, 91406 | 5/1/2023 | (818) 785-0550 | Soils Test |
| TA24787-0 | SGS North America, Inc. | 96 D Allen Blvd., Farmingdale, NY, 11735 | 1/1/2024 | (631) 293-8944 | Fire Testing |
| TA24880-0 | SL Inspection Services Inc. | 1370 E Valley Vista Dr., Ste 200, Diamond Bar, CA, 91765 | 3/1/2024 | (213) 986-8224 | Ultrasonic Field Testing |
| TA10116-0 | SPC Geotechnical, Inc | 685 N. Shepard Street, Anaheim, CA, 92806 | 2/1/2024 | (714) 630-0321 | Soils lab |
| TA23938-0 | Safety Glazing Certification Council | Certification Only, Sackets Harbor, NY, 13685 | 10/1/2023 | (315) 646-2234 | Safety Glass Testing and Labeling |
| TA10221-0 | Salem Engineering Group, Inc. | 4729 W. Jacquelyn Avenue, Fresno, CA, 93722 | 4/1/2024 | (559) 271-9700 | SOILS TESTING, CONCRETE, MASONRY |
| TA10247-0 | Salt River Materials Group dba Phoenix Cement Company | 601 N. Cement Plant Rd., Clarksdale, AZ, 86324 | 7/1/2023 | (480) 850-5757 | CEMENT AND FLY ASH TESTING |
| TA23395-0 | San Bernardino Valley College | 701 S Mount Vernon Ave, San Bernardino, CA, 92410 | 4/1/2023 | (909) 384-8503 | Welder Performance Testing - 'SSW', 'LG', RB', 'AL' (Manual &Semi-Auto) |
| TA24776-0 | Santa Ana College, Welding Technology | 1530 West 17th St., K-101, Santa Ana, CA, 92706 | 5/1/2024 | (714) 564-6673 | Welding Certification Testing |
| TA10001-0 | Sassan Geosciences, Inc. | 1290 N. Lake Avenue #204, Pasadena, CA, 91104 | 6/1/2023 | (626) 345-1819 | Concrete, In-Place Shear, Masonry, Methane and Soils |
| TA24691-0 | Seismic Systems Service | 45 W. Easy St. Suite #5, Simi Valley, CA, 93065 | 4/1/2023 | (805) 531-9994 | Accelerograph Instrumental Testing |
| TA24846-0 | Seizmic Testing | 525 E. Edna Pl, Covina, CA, 91723 | 7/1/2023 | Racking Systems per ASTM 370 and RMI/ANSI MH 16.1, 16.3, 26.2, 28.1, 28.2, 28.3 | |
| TA24834-1 | Sequoia Consultants, Inc | 808 Hindry Avenue Unit F, Inglewood, CA, 90301 | 10/1/2023 | (714) 974-6316 | Asphalt, Concrete, Masonry, Soils (field only) |
| TA24834-0 | Sequoia Consultants, Inc. | 361 W. Grove Ave., Orange, CA, 92865 | 2/1/2024 | (714) 974-6316 | Concrete, Masonry, Asphalt, Rebar and Field Testing of Soils |
| TA10085-0 | Simi Valley Adult School | 1880 Blackstock Avenue, Simi Valley, CA, 93065 | 3/1/2024 | (805) 579-6200 | Welder Certs - SSW/Light Gauge/Aluminum |
| TA22038-0 | Sladden Engineering dba Inland Valley Sladden Inc. | 450 Egan Avenue, Beaumont, CA, 92223 | 5/1/2024 | (951) 845-7743 | Soils/Concrete Compression Testing |
| TA24881-0 | Slawson Southeast Occupational Center | 2945 Belgrave Avenue, Huntington Park, CA, 90255 | 10/1/2023 | (323) 826-2400 | WELDER PERFORMANCE TESTING [D1.1, D.2, D1.3, D1.4, D 1.6 |
| TA02122-0 | Smith-Emery Laboratories | 781 E. Washington Blvd., Los Angeles, CA, 90021 | 6/1/2023 | (213) 749-3411 | Soils/NDT/Fireproffing/Glazing/Concrete/Masonry/Grout/Compression/Rebar/Steels/Slip Resistance/stone/tile/ceramics/curtain walls/ racks/moment frames/load testing/manholes |
| TA02122-1 | Smith-Emery Laboratories | 5440 W. 98th St., Los Angeles, CA, 90045 | 5/1/2023 | (213) 749-3411 | Concrete |
| TA10127-0 | Soil Labworks, LLC | 2500 Townsgate Road, Suite E, Westlake Village, CA, 91361 | 2/1/2024 | (805) 370-1338 | Soils |
| TA10046-0 | Soil Pacific, Inc | 675 North Eckhoff St., Suite A, Orange, CA, 92868 | 1/1/2024 | (714) 879-1203 | Soils Testing Lab |
| TA10147-0 | Soils Engineering, Inc. (SEI) | 4400 Yeager Way, Bakersfield, CA, 93313 | 7/1/2023 | (661) 831-5100 | Aggregrate, Steel, Rebar, Soils Concrete, Masonry, Grout, Mortar, Asphalt |
| TA23231-0 | Soils and Geology Group | 17231 E Railroad St., #100, City of Industry, CA, 91748 | 8/1/2023 | (626) 964-2314 | Soils |
| TA10095-0 | Sotter Engineering Corporation | 26705 Loma Verde, Mission Viejo, CA, 92691 | 2/1/2024 | (949) 933-6971 | Slip Resistance Testing |
| TA10152-0 | Southern California Geotechnical, Inc. | 22885 E Savi Ranch Pkwy,#E, Yorba Linda, CA, 92887 | 3/1/2024 | (714) 685-1115 | Soils Test |
| TA10027-0 | Southern California Sheet Metal JATC | 633 N. Baldwin Park Blvd, City of Industry, CA, 91746 | 7/1/2023 | (626) 968-3340 | Welder Performance Testing: Aluminum, Light Gauge, Stainless Steel and Steel |
| TA24832-0 | Southern California Welding Training and Testing Center | 1500 Mariner Dr. Unit F, Oxnard, CA, 93033 | 12/1/2023 | (805) 486-8700 | WELDER PERFORMANCE CERTIFICATION PER AWS D1.1, D1.2. D1.3,, D1.6 |
| TA11069-0 | Southwest Geotechnical, Inc. | 21704 W. Golden Triangle Rd., Ste. 425, Santa Clarita, CA, 91350 | 2/1/2024 | (661) 222-9544 | Soils Test |
| TA00247-0 | Southwest Inspection and Testing | 441 Commercial Way, La Habra, CA, 90631 | 6/1/2023 | (562) 941-2990 | Soils Lab, Concrete/Mortar/Grout Testing, Rebar Tensile & Bend, 'SFRM', Concrete Design Mixes |
| TA23337-0 | Southwest Research Institute | 6220 Culebra Road, San Antonio, TX, 78238 | 7/1/2023 | (210) 522-6976 | Fire Testing and Building Material Listing |
| TA10155-0 | Specialized Testing, Inc. | 10600 Pioneer Blvd. #G, Santa Fe Springs, CA, 90670 | 5/1/2023 | (562) 903-0032 | Anchor Bolts, Concrete, SEAOSC Cyclic, Fiber Reinforced Polymer ASTM D3039, Fireproofing, Grout, Masonry, Mortar, Post Tension Cables, Rebar |
| TA24903-0 | Sterling Inspection, LLC | 1450 East 33rd St., Signal Hill, CA, 90755 | 11/1/2023 | (714) 795-6998 | MT, PT, UT and VT Nondestructive Testing |
| TA24234-0 | Subsurface Designs, Inc. | 12848 Foothill Blvd, Sylmar, CA, 91342 | 6/1/2023 | (818) 898-1595 | Concrete and Soils |
| TA24828-0 | Summit College | 965 S Mount Vernon Ave., Colton, CA, 92324 | 7/1/2023 | (909) 954-3270 | Welder Performance Testing in accordance with D1.1, D1.2, D1.3, D1.6 |
| TA24828-1 | Summit College | 411 N. Marshall Ave., El Cajon, CA, 92020 | 7/1/2023 | (909) 954-3270 | Welder Performance Testing in accordance with D1.1, D1.2, D1.3, D1.6 |
| TA24828-2 | Summit College | 1639 E. Edinger Ave., Santa Ana, CA, 92705 | 10/1/2023 | (909) 422-8950 | Welder Performance Certification |
| TA10081-0 | T.I.N. Engineering Company | 17834 Bailey Dr, Torrance, CA, 90504 | 4/1/2024 | (310) 371-7045 | Soils Testing |
| TA10180-0 | TGR Geotechnical Inc. | 3037 S. Harbor Blvd., Santa Ana, CA, 92704 | 8/1/2023 | (714) 641-7189 | Soils Test |
| TA24784-0 | TRI Environmental | 1970 S. Santa Cruz St., Anaheim, CA, 92805 | 9/1/2023 | (714) 520-9631 | Geosynthetic Materials, Methane Barriers, Thermal Resistance, Seam Weld, Interface Shear, Weatherproofing, Accelerated Aging, Concrete Pavers and Tiles |
| TA10213-0 | Terracon Consultants, Inc. | 145 W. Walnut St., Carson, CA, 90248 | 3/1/2024 | (310) 627-3430 | Concrete, Methane (Field Only) and Soils |
| TA24879-0 | Terradyne Engineering, Inc. | 2691 Dow Ave., Suite F, Tustin, CA, 92780 | 7/1/2023 | (657) 212-5800 | Soils |
| TA24101-0 | Testing Engineers, Inc dba TEI DBA TEI | 2811 Teagarden Street, San Leandro, CA, 94577 | 2/1/2024 | (510) 835-3142 | CONCRETE / MASONRY / 'NDT' / STEEL / 'WPS' / WELDER PERFORMANCE / CARBON 'WRAP' (D-3039) |
| TA10209-0 | Tetra Tech BAS, Inc. (Bryan A. Stirrat & Associates) | 21700 Copley Dr. Suite 200, Diamond Bar, CA, 91765 | 11/1/2023 | (909) 860-7777 | Methane Testing (Field Only) |
| TA17549-0 | Timber Products Inspection, Inc | 1641 Sigman Road, Conyers, GA, 30012 | 9/1/2023 | (770) 922-8000 | Inspection,Testing, Grading of Wood Structural Panels/ Glue Lam/ I Joist / Lumber / Composite Wood Products |
| TA02629-0 | Tri-Community Adult Education-Covina Valley USD DBA Covina Valley Unified School District | 231 East Stephanie Dr., Bldg M, Covina, CA, 91722 | 2/1/2024 | (626) 974-6834 | Welder Performance Testing for AL, LG, RB, SS and SST |
| TA24108-0 | Twining Consulting Inc. dba Radco | 18071 Mount Washington St., Fountain Vallley, CA, 92708 | 7/1/2023 | (562) 272-7231 | Fenestration, Physical, Roofing, Structural and Thermal Testing |
| TA02485-0 | Twining Inc. (Prev: Twining Laboratories of So California, Inc | 3310 Airport Wy, Long Beach, CA, 90806-0047 | 6/1/2023 | (562) 426-3355 | Asphalt, Admixtures, Concrete, Cements, Masonry, NDT, URM In-Place Shear, Slip Resistance, FRP, Soils |
| TA24866-0 | U.S. Inspection & Consulting | 2810 S. 24th Street, Suite 119, Phoenix, AZ, 85034 | 6/1/2023 | (855) 998-8742 | MT, PT, RT, UT and VT Steel Nondestructive Testing in the Field Only |
| TA22188-0 | UL LLC | 333 Pfingsten Rd, Northbrook, IL, 60062 | 6/1/2023 | (847) 272-8800 | Wood and Fire |
| TA10197-0 | Urban Testing & Inspections, Inc. dba: Pre:Monroe Laboratories DBA PRE:MONROE LABORATORIES | 22138 S. Vermont Ave., #G, Torrance, CA, 90502 | 11/1/2023 | (310) 320-0482 | CONCRETE, GROUT, MASONRY COMPRESSION TESTING 'NDT' REBAR BEND, TENSILE, FIREPROOFING, D.I.A. AND WELDER CERT. |
| TA24671-0 | Victor Valley Community College | 18422 Bear Valley Rd, Victorville, CA, 92395 | 9/1/2023 | (760) 245-4271 | Welder Certification Testing |
| TA24569-0 | Vtec Laboratories, Inc | 212 Manida St, Bronx, NY, 10474 | 4/1/2024 | (718) 542-8248 | Fire Testing |
| TA10168-0 | WSP USA Environment & Infrastructure Inc. | 3560 Hyland Avenue, Suite 100, Costa Mesa, CA, 92626 | 3/1/2024 | (949) 642-0245 | Soil Testing |
| TA24853-0 | Welding Certification Center | 2701 N. Towne Ave. Unit C, Pomona, CA, 91767 | 1/1/2024 | (909) 334-2378 | Welder Certification AWS D1.1, D1.2, D1.3, D1.4, D1.6 |
| TA24838-0 | Welding Skills Test and Training Center, Inc. | 9216 Center Ave., Rancho Cucamonga, CA, 91730 | 9/1/2023 | (909) 476-4149 | Welding Performance Testing AWS D1.1, D1.2, D1.3, D1.6, D1.8 |
| TA24857-0 | West Coast Inspection Services | 8653 Avenida Costa Norte, San Diego, CA, 92154 | 2/1/2024 | (619) 326-4405 | Concrete Testing; MT, PT, UT and VT Nondestructive Testing; Welder Performance Testing AWS D1.1, D1.2, D1.3, D 1.6, D1.8 |
| TA10165-0 | Willdan Geotechnical | 1515 S. Sunkist Street, Suite E, Anaheim, CA, 92806 | 12/1/2023 | (657) 230-8726 | Aggregates, Concrete, Grout, Mortar and Soils |
| TA23148-0 | Wiss, Janney, Elstner and Associates | 330 Pfingsten Rd, Northbrook, IL, 60062 | 10/1/2023 | (847) 272-7400 | CONCRETE, MASONRY, STEEL, REBAR, CURTAIN WALL & SOUND TRANSMISSION |
| TA02328-0 | Wood Environment & Infrastructure Solution, Inc. | 6001 Rickenbacker Road, Los Angeles, CA, 90040 | 10/1/2023 | (323) 889-5300 | Concrete, Fire Proofing Adhesion, Masonry, Methane (Field Only), Rebar, Soils |