Accredited Testing Labs in Illinois
Compliance and testing laboratories in Illinois 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 | UL LLC | Northbrook, Illinois, United States | 6 | 845 |
| 2 | Matrix Sciences International Inc. | Mount Prospect, Illinois, United States | 5 | — |
| 3 | DLS Electronic Systems, Inc. | Wheeling, Illinois, United States | 4 | 1 |
| 4 | Sterling Labs | Des Plaines, Illinois, United States | 3 | 5 |
| 5 | Nokia, Global Product Compliance Lab | Naperville, Illinois, United States | 2 | — |
| 6 | Intertek (Arlington Heights, IL-USA) | Arlington Heights, Illinois, United States | 1 | 102 |
| 7 | Scientific Control Laboratories, Inc. | Chicago, Illinois, United States | 1 | 4 |
| 8 | UL LLC - Northbrook EMC | Illinois, United States | 1 | 1 |
| 9 | Accugen Laboratories, Inc. | Addison, Illinois, United States | 1 | — |
| 10 | Accurate Infrared Controls, Inc. | Chicago, Illinois, United States | 1 | — |
| 11 | AFFRI Inc. | Wood Dale, Illinois, United States | 1 | — |
| 12 | American Calibration Inc. | Fox River Grove, Illinois, United States | 1 | — |
| 13 | Archer Daniels Midland Company | Decatur, Illinois, United States | 1 | — |
| 14 | Auburn Division of TSI Inc. | Auburn, Illinois, United States | 1 | — |
| 15 | Automated Scale Corporation | Addison, Illinois, United States | 1 | — |
| 16 | Berg Engineering & Sales Company, Inc. | Rolling Meadows, Illinois, United States | 1 | — |
| 17 | Blachford Investments, Inc. dba Blachford Acoustics Laboratory | West Chicago, Illinois, United States | 1 | — |
| 18 | Bowman Analytics, Inc. | Schaumburg, Illinois, United States | 1 | — |
| 19 | CMG Sales, Inc | Lake Zurich, Illinois, United States | 1 | — |
| 20 | Cook County Medical Examiner's Office | Chicago, Illinois, United States | 1 | — |
| 21 | Data Weighing Systems | Wood Dale, Illinois, United States | 1 | — |
| 22 | Daubert Cromwell, LLC | Alsip, Illinois, United States | 1 | — |
| 23 | DuPage County Forensic Science Center | Wheaton, Illinois, United States | 1 | — |
| 24 | Elite Electronic Engineering Inc. | Downers Grove, Illinois, United States | 1 | — |
| 25 | Fauske & Associates a Division of Stone & Webster, LLC. | Burr Ridge, Illinois, United States | 1 | — |
| 26 | Federal Bureau of Investigation Digital Evidence Laboratory - Chicago Regional Computer Forensic Laboratory | Chicago, Illinois, United States | 1 | — |
| 27 | Federal Bureau of Investigation Digital Evidence Laboratory - Chicago Regional Computer Forensic Laboratory - Rockford | Rockford, Illinois, United States | 1 | — |
| 28 | Federal Bureau of Investigation Digital Evidence Laboratory - Chicago Regional Computer Forensic Laboratory - Romeoville | Romeoville, Illinois, United States | 1 | — |
| 29 | General Dynamics Ordnance and Tactical Systems, Inc. | Marion, Illinois, United States | 1 | — |
| 30 | Illinois State Police Decatur Forensic Science Laboratory | Decatur, Illinois, United States | 1 | — |
| 31 | Illinois State Police Forensic Science Center at Chicago | Chicago, Illinois, United States | 1 | — |
| 32 | Illinois State Police Forensic Science Center at Chicago - Toxicology Laboratory | Chicago, Illinois, United States | 1 | — |
| 33 | Illinois State Police Joliet Forensic Science Laboratory | Joliet, Illinois, United States | 1 | — |
| 34 | Illinois State Police Metro-East Forensic Science Laboratory | Belleville, Illinois, United States | 1 | — |
| 35 | Illinois State Police Morton Forensic Science Laboratory | Morton, Illinois, United States | 1 | — |
| 36 | Illinois State Police Rockford Forensic Science Laboratory | Rockford, Illinois, United States | 1 | — |
| 37 | Illinois State Police Springfield Forensic Science Laboratory | Springfield, Illinois, United States | 1 | — |
| 38 | Illinois State Police Springfield Forensic Science Laboratory - Toxicology | Springfield, Illinois, United States | 1 | — |
| 39 | Illinois State Police Springfield Indexing Laboratory | Springfield, Illinois, United States | 1 | — |
| 40 | Illinois State Police Training & Applications Laboratory | Springfield, Illinois, United States | 1 | — |
| 41 | Imada, Inc. and Hoto Instruments (Division of Imada, Inc.) | Northbrook, Illinois, United States | 1 | — |
| 42 | Imperial Zinc Corp. | Chicago, Illinois, United States | 1 | — |
| 43 | Independent Forensics of Illinois, LLC | Lombard, Illinois, United States | 1 | — |
| 44 | InterTech Development Company | Skokie, Illinois, United States | 1 | — |
| 45 | Intertek Champaign Laboratories | Champaign, Illinois, United States | 1 | — |
| 46 | Labtest International, Inc. dba Intertek | Arlington Heights, Illinois, United States | 1 | — |
| 47 | Laser Tom-Lis Corporation | Park Ridge, Illinois, United States | 1 | — |
| 48 | Marmon Foodservice Technologies | Carol Stream, Illinois, United States | 1 | — |
| 49 | Martin Calibration LLC dba Great Lakes Calibration Services | Addison, Illinois, United States | 1 | — |
| 50 | Medline Industries, LP | Mundelein, Illinois, United States | 1 | — |
| 51 | Micro Measurement Laboratories, Inc. | Wheeling, Illinois, United States | 1 | — |
| 52 | Motorola Solutions, Inc., Schaumburg Lab | Schaumburg, Illinois, United States | 1 | — |
| 53 | National Technical Systems (NTS) Chicago | Mount Prospect, Illinois, United States | 1 | — |
| 54 | National Technical Systems - NTS Rockford | Rockford, Illinois, United States | 1 | — |
| 55 | Nationwide Gage Calibration, Inc. | Carol Stream, Illinois, United States | 1 | — |
| 56 | Northeastern Illinois Regional Crime Laboratory | Mundelein, Illinois, United States | 1 | — |
| 57 | Precision Gage Company | Burr Ridge, Illinois, United States | 1 | — |
| 58 | Primient Analytical Services | Decatur, Illinois, United States | 1 | — |
| 59 | Prinova USA, a NAGASE Group Company | Carol Stream, Illinois, United States | 1 | — |
| 60 | Product Safety Consulting, Inc. | Bensenville, Illinois, United States | 1 | — |
| 61 | Radiometrics Midwest Corp. | Romeoville, Illinois, United States | 1 | — |
| 62 | Raynor Garage Doors | Dixon, Illinois, United States | 1 | — |
| 63 | Shure Incorporated | Niles, Illinois, United States | 1 | — |
| 64 | Standard Laboratories, Inc. - Division 75 | Freeburg, Illinois, United States | 1 | — |
| 65 | Tate & Lyle | Hoffman Estates, Illinois, United States | 1 | — |
| 66 | The Calibration Solution Inc. | Machesney Park, Illinois, United States | 1 | — |
| 67 | Torque & Tension Laboratory and Consulting | Aurora, Illinois, United States | 1 | — |
| 68 | United States Customs and Border Protection, Laboratories and Scientific Services - Chicago Laboratory | Chicago, Illinois, United States | 1 | — |
| 69 | United States Drug Enforcement Administration - Chicago Sub-Regional Digital Evidence Laboratory | Chicago, Illinois, United States | 1 | — |
| 70 | United States Drug Enforcement Administration - North Central Laboratory | Chicago, Illinois, United States | 1 | — |
| 71 | United States Drug Testing Laboratories | Des Plaines, Illinois, United States | 1 | — |
| 72 | United States Internal Revenue Service Center for Science and Design | Chicago, Illinois, United States | 1 | — |
| 73 | University of Illinois at Chicago - Analytical Forensic Testing Laboratory | Chicago, Illinois, United States | 1 | — |
| 74 | Unytite Inc. | Peru, Illinois, United States | 1 | — |
| 75 | V.J. Technologies, Inc., dba Standards and Calibrations | Des Plaines, Illinois, United States | 1 | — |
| 76 | VDF FutureCeuticals Research & Analytical Center | Momence, Illinois, United States | 1 | — |
| 77 | Wiss, Janney, Elstner Associates, Inc. | Northbrook, Illinois, United States | 1 | — |
Facts from the official registries as retrieved July 2026; no ratings or reviews. Ranking criteria: methodology.