A ^njV United States Environmental Protectior B % Agency EPA-420-B-26-007 February 2026 Independent Vehicle Emissions Testing Laboratory Listing The U.S. Environmental Protection Agency (EPA) provides this list of laboratories as a reference only. EPA does not endorse any laboratory on this list and does not certify that they perform emission testing according to the Code of Federal Regulations (CFR), Title 40, "Protection of the Environment." Data supplied to EPA from these laboratories must meet all requirements of the CFR. It is the responsibility of individual customers to affirm the laboratory's testing capabilities and the quality of the data. Please contact complianceinfo@epa. gov to update this list. Name of Laboratory Street City, State, ZIP Telephone Contact Automobile Club of South California - Auto Los Angeles, CA 213-741-4444 Research Center Automobile Testing & Development Service 400 S. Etiwanda Ave. Ontario, CA 91761 909-390-1100 Linwood Farmer Automotive Engineering Labs, LLC 3500 Sweet Air St. Baltimore, MD 21211 410-366-6332 Jonathan Weisheit AVL Powertrain Engineering, Inc. 47519 Halyard Dr. Plymouth, Ml 48170-2438 734-414-9618 Mike Golda CEE, LLC 2530 S. Birch St. Santa Ana, CA 92707 714-545-9822 George Gemayel CDPHE: Aurora Emissions Technical Center 15608 E. 18th Ave. Aurora, CO 80011 303-364-5334 Jim Kemper Center for At Fuels, Engines, and Emissions West Virginia University Morgantown, WV 304-241-1273 Colorado State University Fort Collins, CO 80523 970-491-7240 Lenora Bohren Compliance and Research Services 1701 West Front St. Plainfield, NJ 07063 908-561-1824 Robert DePalma Environmental R&D Corp. 9607 Dr. Perry Rd. Ijamsville, MD 21754 301-607-4416 Peter Lissiuk SGS ETC 2022 Helena St. Aurora, CO 80011 303-344-5470 ESW America / Air Testing Services 200 Progress Dr. Montgomeryville, PA 18936 215-699-0730 Virender Kumar Excel Engineering * 1587 160th Ave Diagonal, IA 50845 641-734-5800 Doug Sobotka FEV N. America, Inc Vehicle Dev Center** 1300 Harmon Rd Auburn Hills, Ml 48326 248-724-5497 Henning Kleeberg Intertek Automotive Research 5404 Bandera San Antonio, TX 78238 210-523-4605 Dean Schoppe Intertek Carnot Emission Services 616 Perrin San Antonio, TX 78226 210-928-2230 Steven E. Griffin 1 ------- Name of Laboratory Street Dumarey USA, LLC.** Northern California Diagnostic Laboratory, Inc. Olson-Ecologic Engine Testing Laboratory Procat Testing Roush Emissions Laboratory SEMA Garage (California) SEMA Garage (Michigan) Southwest Research Institute *** Sterling Performance Inc. Testing Services Group Texas Environmental Technologies Tovatt Engineering Inc. Tovatt Engineering Inc. (2nd lab)*** Transportation Research Center, Inc. UC Riverside: Center for Environ. Research and Technology Light Duty Emissions Lab Wallace Environmental Testing Laboratory Venshure Test Services 14900 Galleon Court 2748 Jefferson St. 1370 S. Acacia Ave. 30844 Century Dr. 12249 Levan Rd. 1577 Valley Vista Dr 14655 Jib Street 6220 Culebra Rd. 54420 Pontiac Trail 828 Whitney Dr. 3453 East Vickery Blvd. 17611 Metier Ln. 521W. 11th St. P. O. Box B - 67 1200 Columbia St. 2140 Wirtcrest 18600 W. Old US Highway 12 motorcycle and engine testing only, no vehicle testing includes Climatic and 4WD Chassis Dyno testing motorcycles and ATV/UTVs City, State, ZIP Telephone Contact Plymouth, Ml 48170 Napa, CA 94558 Fullerton, CA 92831 Wixom, Ml 48393 Livonia, Ml 48150 Diamond Bar, CA 91765 Plymouth, Ml 48170 San Antonio, TX 78238 Milford, Ml 48381 Lapeer, Ml 48446 Fort Worth, TX 76105 Huntington Beach, CA 92647 Parker, AZ 85344 East Liberty, OH 43319 Riverside, CA 92507 Houston, TX 77055 Chelsea, Ml 48118 248-207-7161 707-258-1753 714-774-3385 248-926-8200 734-779-7002 909-610-2030 909-610-2030 210-522-2614 248-685-7811 810-358-0565 817-534-4275 817-313-7349 714-841-6400 714-454-0443 937-666-2011 951-781-5786 713-956-7705 303-887-5611 Scott Lindberg Michael Spencer-Smith Don Olson John R. Briggs Timothy Werner Mike Mohasci Mike Mohasci Matt Blanks Tim Cushing Brian Campbell Bill Rucker Ryan Tovatt Ryan Tovatt Karrie Honchell Kent Johnson Les Weaver Gerard Glinsky 2 ------- |