UL 508A — Industrial Control Panels
Reference: UL 508A · Scheme: OSHA NRTL product safety. The 10 laboratories below appear in the Current list of Nationally Recognized Testing Laboratories for this standard. Retrieved July 2026; ranking criteria on the methodology page.
| # | Laboratory | Location | Cert / ID | Approved | Registry accreditations |
|---|---|---|---|---|---|
| 1 | EUROFINS ELECTRICAL AND ELECTRONIC TESTING NA, INC | Santa Clara, California, United States | — | — | 7 |
| 2 | UL LLC | Northbrook, Illinois, United States | — | — | 6 |
| 3 | TUV SUD America Inc. | San Diego, California, United States | — | — | 5 |
| 4 | SGS North America, Inc. | Suwanee, Georgia, United States | — | — | 3 |
| 5 | DEKRA Certification, Inc. | Sterling, Virginia, United States | — | — | 3 |
| 6 | TUV Rheinland of North America Inc. | Pleasanton, California, United States | — | — | 2 |
| 7 | Element Materials Technology Portland - Evergreen Inc. | Irvine, California, United States | — | — | 2 |
| 8 | LabTest Certification, Inc. | Richmond, BC, British Columbia, Canada | — | — | 2 |
| 9 | QAI Laboratories, LTD (QAI) | Canada | — | — | 1 |
| 10 | QPS Evaluation Services Inc. | Canada | — | — | 1 |
Facts reproduced from the linked registry as retrieved July 2026. No ratings, no reviews — see methodology.