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Authorized Laboratory Lists
Per Section 52 "Reinforcement" of the California Department of Transportation (the Department) Standard Specifications, testing on prequalification and production sample splices on reinforcing steel shall be performed at a laboratory selected from the Department's Authorized Laboratory List. The Structural Materials Testing Branch from the Office of Central Laboratories is responsible for this list. Please follow the steps outlined in the Authorized Laboratory Qualification Requirements document to submit a request to be included in the Department's Authorized Laboratory List. The document is found at this link: Authorized Laboratory Requirements for Testing Reinforcing Steel Splices
Fabricator | Location | Contact | Conditional Approval Until | Fully Authorized Until |
---|---|---|---|---|
Achievement Engineering Corporation |
2455 Autumnvale Drive, Unit E San Jose, CA 95131 |
Arash Firouzjaei |
- | May 3, 2027 |
AESCO |
17782 Georgetown Lane Huntington Beach, CA 92647 |
Steve Crumb |
- | July 1, 2024 |
Applied Materials & Engineering, Incorporated |
980 41st Street Oakland, CA 94608 |
Mohammed Faiyaz |
- | August 1, 2025 |
Atlas |
534 23rd Avenue Oakland, CA 94606 |
Jim Powers |
- | December 1, 2025 |
Construction Testing Services, Incorporated |
2118 Rheem Drive Pleasanton, CA 94588 |
James Peters |
- | December 29, 2025 |
Group Delta Consultants, Incorporated |
9245 Activity Road, Suite 103 San Diego, CA 92126 |
Jan Krehbiel |
- | June 6, 2022 |
Kleinfelder |
9969 Horn Road Sacramento, CA 95827 |
Chris Pollack |
- | August 8, 2024 |
Mechanical Rebar Testing, Incorporated |
355 South Vasco Road Livermore, CA 94550 |
Tiffany Garland, |
- | February 16, 2024 |
MTGL, Incorporated |
6295 Ferris Square, Suite C San Diego, CA 92121 |
John Hutalla |
- | May 16, 2025 |
RMA Group |
3150 Fitzgerald Road Rancho Cordova, CA 95742 |
Matt Hansen |
- | February 17, 2025 |
RMA Group |
12130 Santa Margarita Court Rancho Cucamonga, CA 91730 |
Joey Martinez |
- | December 1, 2025 |
Sequoia Consultants, Incorporated |
361 West Grove Avenue Orange, CA 92865 |
Pri Desilva, |
- | May 12, 2025 |
Smith-Emery Laboratory |
781 East Washington Boulevard Los Angeles, CA 90021 |
Janeth Quintero, |
- | July 11, 2025 |
Southwest Inspection & Testing |
441 Commercial Way La Habra, CA 90631 |
Errol Asayas, |
- | July 28, 2025 |
Testing Engineers, Incorporated |
2811 Teagarden Street San Leandro, CA 94577 |
Dan Watanabe, |
- | July 31, 2025 |
The Quality Firm |
177 University Parkway Pomona, CA 91768 |
Ricardo Osorio |
- | October 31, 2025 |
Twining, Incorporated |
3310 Airport Way Long Beach, CA 90806 |
Steve Crumb, |
- | June 30, 2025 |
Wiss, Janney, Elstner Associates, Incorporated |
330 Pfingsten Road Northbrook, IL 60062 |
Brookelynn Schmeck |
- | November 16, 2026 |
Caltrans contact: Structural Materials Testing Lab, smtl@dot.ca.gov