Please note: An audited inspection agency has not been accredited by WACEL. These agencies either do not provide laboratory testing services or have a laboratory that has been accredited by an agency recognized by WACEL as equivalent of the WACEL Accreditation Program.
WACEL Accredited Laboratories and Audited Inspection Agencies as of Sunday, May 28, 2023
| Laboratory | Location | Expiration | Accreditation Type |
|---|---|---|---|
| CTL Engineering, Inc. | Manassas, VA | 09/30/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Clendenin Consulting | Leesburg, VA | 01/26/2026 | Field Inspection Audit Only (E329) |
| DMY Engineering Consultants | Chantilly, VA | 11/23/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| ECS Capitol Services, PLLC | Washington, DC | 05/19/2024 | Field Inspection Audit Only (E329) |
| ECS Mid-Atlantic, LLC | Fredericksburg, VA | 01/25/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| ECS Mid-Atlantic, LLC | Chantilly, VA | 01/18/2025 | Field Inspection (E329), Concrete (C1077), Soils (D3740), Masonry (C1093) |
| ECS Mid-Atlantic, LLC | Frederick, MD | 02/07/2026 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| ECS Mid-Atlantic, LLC | Hanover, MD | 01/30/2026 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| EM Tech | Manassas, VA | 09/03/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| EnCon Consulting Services, Inc. | Chantilly, VA | 07/11/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| FMC & Associates, LLC | Washington, DC | 03/16/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Froehling & Robertson, Inc. | Columbia, MD | 10/07/2024 | Inspection Only (E329), Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Froehling & Robertson, Inc. | Dulles/Sterling, VA | 02/05/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Geo-Technology Associates | Laurel, MD | 07/23/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Geo-Technology Associates | Sterling , VA | 01/23/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Geotechnical Solutions, Inc. | Chantilly, VA | 12/20/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Global Geotechnical Consultants | Woodbridge, VA | 06/16/2023 | Concrete (C1077), Field Inspection (E329), Soils (D3740) |
| Hillis-Carnes Engineering | Annapolis Junction, MD | 11/24/2023 | Field Inspection (E329), Concrete (C1077), Soils (D3740) |
| Hillis-Carnes Engineering | Chantilly, VA | 12/13/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Hillis-Carnes Engineering | Ashland, VA | 08/18/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Independent Consultants & Engineers | Upper Marlboro, MD | 03/30/2024 | Field Inspection (E329), Soils (D3740), Concrete (C1077) |
| Kim Engineering | Beltsville, MD | 07/17/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| MTI Engineering and Testing, Inc. | Vienna, VA | 07/25/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Meyer Consulting Engineers | Rockville, MD | 09/23/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Professional Service Industries | Fairfax, VA | 04/17/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Smislova, Kehnemui & Associates dba SK&A | Potomac, MD | 09/10/2023 | Concrete (C1077), Field Inspection (E329) |
| Specialized Engineering | Frederick, MD | 12/13/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Specialized Engineering | Hanover, MD | 12/20/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Stevenson Consulting, Inc. | Columbia, MD | 07/08/2023 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Stevenson Consulting, Inc. | Chantilly, VA | 04/07/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Terracon Consultants | Ashburn, VA | 03/02/2026 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| The Robert B. Balter Company | Owings Mills, MD | 08/17/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| Universal Engineering Sciences | Chantilly, VA | 12/04/2025 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |
| WDP & Associates Consulting Engineers, Inc. | Manassas, VA | 11/22/2024 | Soils (D3740), Concrete (C1077), Field Inspection (E329) |