| Laboratory Name and Location |
Accredited Since |
| Achievement Engineering Corp. - San Jose, California |
8/3/2021 |
| AESCO, Inc. - Huntington Beach, California |
5/6/2016 |
| Anbessaw Consulting, Inc. dba The Quality Firm |
3/8/2023 |
| Atlas Technical Consultants LLC - Tigard, Oregon |
4/13/2015 |
| Bowser-Morner, Inc. - Dayton, Ohio |
11/15/2000 |
| Bowser-Morner, Inc. - Springfield, Illinois |
5/9/2012 |
| Bowser-Morner, Inc. - Toledo, Ohio |
6/15/2002 |
| Cibor, Inc. - Houston, Texas |
10/13/2020 |
| EDW. C. Levy Co. - Portage, Indiana |
04/10/2015 |
| Fenagh, LLC - Rancho Cucamonga, California |
07/12/2022 |
| FHWA-Central Federal Lands Highway Division - Denver, Colorado |
11/15/2001 |
| FHWA-Eastern Federal Lands Highway Division - Sevierville, Tennessee |
09/09/2013 |
| FHWA-Western Federal Lands Highway Division - Vancouver, Washington |
07/09/2004 |
| Flood Testing Laboratories, Inc. - Chicago, Illinois |
11/30/2009 |
| Florida Department of Transportation - Gainesville, Florida |
11/04/2002 |
| Howland Engineering and Surveying Co., Inc. - Laredo, Texas |
08/18/2025 |
| Jas W. Glover Holding Company, Ltd - Honolulu, Hawaii |
03/15/2021 |
| Jas W. Glover Holding Company, Ltd - Hilo, Hawaii |
03/15/2021 |
| Jas W. Glover Holding Company, Ltd - Waimea, Hawaii |
03/15/2021 |
| Jas W. Glover Holding Company, Ltd - Lihue, Hawaii |
03/15/2021 |
| Pennsylvania Department of Transportation - Harrisburg, Pennsylvania |
07/17/2003 |
| PRI Asphalt Technologies, Inc. - Tampa, Florida |
03/12/2007 |
| Professional Service Industries, Inc. - Portland, Oregon |
02/07/2020 |
| Professional Service Industries, Inc. - Tacoma, Washington |
11/21/2019 |
| Quality Assurance Engineering, Inc. dba Consolidated Engineering Laboratories - an Engineering & Testing Services, LLC Company - Oakland, California |
10/11/2019 |
| R M A Group - Rancho Cordova, California |
02/20/2019 |
| Sequoia Consultants, Inc. - Orange, California |
03/22/2023 |
| SGS TEC Services, Inc. - Lawrenceville, Georgia |
06/01/2010 |