Accredited Testing Labs in Pennsylvania
Compliance and testing laboratories in Pennsylvania 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 | Keystone Compliance | New Castle, Pennsylvania, United States | 2 | — |
| 2 | A. E. Kirby Memorial Health Center | Wilkes Barre, Pennsylvania, United States | 1 | 4 |
| 3 | FOCUS Laboratories | Allentown, Pennsylvania, United States | 1 | 2 |
| 4 | Retlif Testing Laboratories - Pennsylvania | Pennsylvania, United States | 1 | 1 |
| 5 | Abbott Furnace Company | St. Marys, Pennsylvania, United States | 1 | — |
| 6 | Acuren Inspection Inc. - Erie | Erie, Pennsylvania, United States | 1 | — |
| 7 | Aerospace Testing & Pyrometry, Inc. | Easton, Pennsylvania, United States | 1 | — |
| 8 | Alcoa USA Corp Alcoa Technical Center Spectrometer Services Laboratory | New Kensington, Pennsylvania, United States | 1 | — |
| 9 | Allegheny County Office of the Medical Examiner Forensic Laboratory | Pittsburgh, Pennsylvania, United States | 1 | — |
| 10 | AMETEK Land, Inc. | Pittsburgh, Pennsylvania, United States | 1 | — |
| 11 | AMG-Titanium LLC | New Castle, Pennsylvania, United States | 1 | — |
| 12 | Astley Metrology | Irwin, Pennsylvania, United States | 1 | — |
| 13 | BEC Incorporated | Pottstown, Pennsylvania, United States | 1 | — |
| 14 | Bird Dog Laboratories LLC | Lancaster, Pennsylvania, United States | 1 | — |
| 15 | Bird Dog Marketing Group, LLC | Lancaster, Pennsylvania, United States | 1 | — |
| 16 | Brickner Calibration & Testing, LLC | York, Pennsylvania, United States | 1 | — |
| 17 | Calibration Services, Inc. | Emlenton, Pennsylvania, United States | 1 | — |
| 18 | Calyx, LLC | State College, Pennsylvania, United States | 1 | — |
| 19 | Chem Service, Inc. | West Chester, Pennsylvania, United States | 1 | — |
| 20 | Clark Dynamic Testing Laboratory, Inc. | Jefferson Hills, Pennsylvania, United States | 1 | — |
| 21 | Coating and Converting Technologies | Philadelphia, Pennsylvania, United States | 1 | — |
| 22 | Control Systems 21 | Dillsburg, Pennsylvania, United States | 1 | — |
| 23 | Cumberland County District Attorney's Office Forensic Laboratory | Carlisle, Pennsylvania, United States | 1 | — |
| 24 | DKS Testing Services | Brockport, Pennsylvania, United States | 1 | — |
| 25 | Electro-Tech Systems, Inc. | Perkasie, Pennsylvania, United States | 1 | — |
| 26 | ENV Services, Inc./Pro-Lab - Hatfield | Hatfield, Pennsylvania, United States | 1 | — |
| 27 | Exida Certification LLC | Sellersville, Pennsylvania, United States | 1 | — |
| 28 | Federal Bureau of Investigation Digital Evidence Laboratory - Philadelphia Regional Computer Forensic Laboratory | Radnor, Pennsylvania, United States | 1 | — |
| 29 | FrenchCreek Production | Franklin, Pennsylvania, United States | 1 | — |
| 30 | Garber Metrology Weighing Solutions & Precision Calibration | Lititz, Pennsylvania, United States | 1 | — |
| 31 | Gasbarre Thermal Processing Systems | St. Marys, Pennsylvania, United States | 1 | — |
| 32 | Guardian Forensic Sciences | Abington, Pennsylvania, United States | 1 | — |
| 33 | John J. McIntyre Sons, Inc. | Philadelphia, Pennsylvania, United States | 1 | — |
| 34 | Latrobe Specialty Metals Company, LLC | Latrobe, Pennsylvania, United States | 1 | — |
| 35 | Mitotyping Technologies LLC | Bellefonte, Pennsylvania, United States | 1 | — |
| 36 | MSA Innovation, LLC | Cranberry Twp., Pennsylvania, United States | 1 | — |
| 37 | National Medical Services, Inc, dba NMS Labs - Criminalistics Laboratory (Bucks County [BUX]) | Warminster, Pennsylvania, United States | 1 | — |
| 38 | National Medical Services, Inc, dba NMS Labs - Criminalistics Laboratory (Willow Grove [WLG]) | Willow Grove, Pennsylvania, United States | 1 | — |
| 39 | National Medical Services, Inc. dba NMS Labs (CORE) | Horsham, Pennsylvania, United States | 1 | — |
| 40 | NSI, Neal Systems Inc. | Newtown, Pennsylvania, United States | 1 | — |
| 41 | Pace Analytical Services, LLC - Greensburg, PA | Greensburg, Pennsylvania, United States | 1 | — |
| 42 | Pennsylvania State Police Bureau of Forensic Services Bethlehem Regional Laboratory | Bethlehem, Pennsylvania, United States | 1 | — |
| 43 | Pennsylvania State Police Bureau of Forensic Services Erie Regional Laboratory | Erie, Pennsylvania, United States | 1 | — |
| 44 | Pennsylvania State Police Bureau of Forensic Services Greensburg Regional Laboratory | Greensburg, Pennsylvania, United States | 1 | — |
| 45 | Pennsylvania State Police Bureau of Forensic Services Harrisburg Regional Laboratory | Harrisburg, Pennsylvania, United States | 1 | — |
| 46 | Pennsylvania State Police Bureau of Forensic Services Lima Regional Laboratory | Media, Pennsylvania, United States | 1 | — |
| 47 | Pennsylvania State Police Bureau of Forensic Services Wyoming Regional Laboratory | Pittston, Pennsylvania, United States | 1 | — |
| 48 | Pennsylvania State Police Bureau of Forensic Services, Forensic DNA Division | Greensburg, Pennsylvania, United States | 1 | — |
| 49 | Philadelphia Police Department Office of Forensic Science | Philadelphia, Pennsylvania, United States | 1 | — |
| 50 | Product Assurance Services, Inc. | St. Marys, Pennsylvania, United States | 1 | — |
| 51 | Product Evaluation Systems, LLC | Latrobe, Pennsylvania, United States | 1 | — |
| 52 | Purple Diamond Testing Services | Bethlehem, Pennsylvania, United States | 1 | — |
| 53 | Streamlight Inc. | Eagleville, Pennsylvania, United States | 1 | — |
| 54 | Thermo Electric Company, Inc. | West Chester, Pennsylvania, United States | 1 | — |
| 55 | TorcUP, Inc. | Easton, Pennsylvania, United States | 1 | — |
| 56 | TPMC - White River, LLC | Exton, Pennsylvania, United States | 1 | — |
| 57 | Transcat - Pittsburgh | Somerset, Pennsylvania, United States | 1 | — |
| 58 | Transcat Biomedical | Paxinos, Pennsylvania, United States | 1 | — |
| 59 | U.S. ARMY DEVCOM - GROUND VEHICLE SYSTEMS CENTER ARMY PETROLEUM LABORATORY (APL) | New Cumberland, Pennsylvania, United States | 1 | — |
| 60 | U.S. Steel Corporation - Mon Valley Works - Edgar Thompson Plant | Braddock, Pennsylvania, United States | 1 | — |
| 61 | U.S. Steel Corporation - Mon Valley Works - Fairless Plant | Fairless Hills, Pennsylvania, United States | 1 | — |
| 62 | U.S. Steel Corporation - Mon Valley Works - Irvin Plant | West Mifflin, Pennsylvania, United States | 1 | — |
| 63 | USACE SLDA FUSRAP Laboratory | Vandergrift, Pennsylvania, United States | 1 | — |
| 64 | Verichek Technical Services, Inc. | Bethel Park, Pennsylvania, United States | 1 | — |
| 65 | Weiss Acquisition LLC dba George R Peters Associates | Pittsburgh, Pennsylvania, United States | 1 | — |
| 66 | Weiss Acquisition LLC dba Weiss Industrial | Pittsburgh, Pennsylvania, United States | 1 | — |
| 67 | Westmoreland County District Attorney's Office | Greensburg, Pennsylvania, United States | 1 | — |
| 68 | Weston Solutions, Inc. | West Chester, Pennsylvania, United States | 1 | — |
| 69 | York Laboratories (MRG LABS) | York, Pennsylvania, United States | 1 | — |
| 70 | Zuggo Metrology Services, LLC | Sayre, Pennsylvania, United States | 1 | — |
Facts from the official registries as retrieved July 2026; no ratings or reviews. Ranking criteria: methodology.