Accredited Testing Labs in Washington
Compliance and testing laboratories in Washington that appear in the official FCC, CPSC, OSHA NRTL, FDA ASCA or ANAB registries. Ranked by number of registry accreditations — criteria on the methodology page.
| # | Laboratory | Location | Registry accreditations | Standards |
|---|---|---|---|---|
| 1 | Brooks Applied Labs, LLC | Seattle, Washington, United States | 2 | — |
| 2 | Eurofins Seattle | Tacoma, Washington, United States | 2 | — |
| 3 | NVL Laboratories, Inc. | Seattle, Washington, United States | 1 | 4 |
| 4 | Element Materials Technology Seattle-Bothell 120th | Washington, United States | 1 | 1 |
| 5 | Advanced Testing & Calibration Services | Mukilteo, Washington, United States | 1 | — |
| 6 | Anatek Labs, Inc. | Spokane, Washington, United States | 1 | — |
| 7 | APA - The Engineered Wood Association | Tacoma, Washington, United States | 1 | — |
| 8 | Avidity Test Labs (ATL) | Camas, Washington, United States | 1 | — |
| 9 | Certified Calibration Service LLC | Tukwila, Washington, United States | 1 | — |
| 10 | Element Materials Technology Seattle | Bothell, Washington, United States | 1 | — |
| 11 | Element Materials Technology Seattle - Bothell 120 | Bothell, Washington, United States | 1 | — |
| 12 | Exact Scientific Services, Inc. | Ferndale, Washington, United States | 1 | — |
| 13 | Gravitec Systems, Inc. | Poulsbo, Washington, United States | 1 | — |
| 14 | Hi-Rel Laboratories, Inc. | Spokane, Washington, United States | 1 | — |
| 15 | IEH Analytical Laboratories - Lake City | Seattle, Washington, United States | 1 | — |
| 16 | IIA Lab Services, LLC | Kent, Washington, United States | 1 | — |
| 17 | Integrated Technologies, Inc. | Everett, Washington, United States | 1 | — |
| 18 | McCune's Instruments, Inc. | Spokane, Washington, United States | 1 | — |
| 19 | Metaltest, Inc. | Kent, Washington, United States | 1 | — |
| 20 | Microsoft EMC Laboratory | Redmond, Washington, United States | 1 | — |
| 21 | Molecular Epidemiology, Inc. (MEI) dba IEH Laboratories and Consulting Group | Seattle, Washington, United States | 1 | — |
| 22 | Retrotec | Everson, Washington, United States | 1 | — |
| 23 | Schweitzer Engineering Laboratories, Inc. | Pullman, Washington, United States | 1 | — |
| 24 | U.S. EPA, Region 10 Manchester Environmental Laboratory | Port Orchard, Washington, United States | 1 | — |
| 25 | Washington State Department of Health - Public Health Laboratories | Shoreline, Washington, United States | 1 | — |
| 26 | Washington State Patrol Breath Test Program - Bellingham Laboratory | Bellingham, Washington, United States | 1 | — |
| 27 | Washington State Patrol Breath Test Program - Kennewick Laboratory | Kennewick, Washington, United States | 1 | — |
| 28 | Washington State Patrol Breath Test Program - Marysville Laboratory | Marysville, Washington, United States | 1 | — |
| 29 | Washington State Patrol Breath Test Program - Poulsbo Laboratory | Poulsbo, Washington, United States | 1 | — |
| 30 | Washington State Patrol Breath Test Program - Seattle Laboratory | Seattle, Washington, United States | 1 | — |
| 31 | Washington State Patrol Breath Test Program - Spokane Laboratory | Spokane, Washington, United States | 1 | — |
| 32 | Washington State Patrol Breath Test Program - Tacoma Laboratory | Tacoma, Washington, United States | 1 | — |
| 33 | Washington State Patrol Breath Test Program - Tumwater Laboratory | Tumwater, Washington, United States | 1 | — |
| 34 | Washington State Patrol Breath Test Program - Union Gap Laboratory | Union Gap, Washington, United States | 1 | — |
| 35 | Washington State Patrol Breath Test Program - Vancouver Laboratory | Vancouver, Washington, United States | 1 | — |
| 36 | Washington State Patrol Breath Test Program - Wenatchee Laboratory | Wenatchee, Washington, United States | 1 | — |
| 37 | Washington State Patrol CODIS Crime Laboratory | Seattle, Washington, United States | 1 | — |
| 38 | Washington State Patrol Marysville Crime Laboratory | Tulalip, Washington, United States | 1 | — |
| 39 | Washington State Patrol Olympia Crime Laboratory | Olympia, Washington, United States | 1 | — |
| 40 | Washington State Patrol Seattle Crime Laboratory | Seattle, Washington, United States | 1 | — |
| 41 | Washington State Patrol Spokane Crime Laboratory | Cheney, Washington, United States | 1 | — |
| 42 | Washington State Patrol Tacoma Crime Laboratory | Tacoma, Washington, United States | 1 | — |
| 43 | Washington State Patrol Vancouver Crime Laboratory | Vancouver, Washington, United States | 1 | — |
| 44 | Washington State Patrol-Toxicology Laboratory Division | Seattle, Washington, United States | 1 | — |
Facts from the official registries as retrieved July 2026; no ratings or reviews. Ranking criteria: methodology.