Prime Analytical Laboratories, LLC Nelson Avenue, Concord, Contra Costa County, California, United States Member since April 27, 2025
Centricor Analytical Labs Chesapeake Drive, Charlotte, Mecklenburg County, North Carolina, United States Member since June 22, 2024
Vanguard Laboratory Parkmont Lane Southwest, Olympia, Thurston County, Washington, United States Member since December 26, 2024
ATL – A Bureau Veritas Company Whitney Drive, Milford, Clermont County, Ohio, United States Member since June 17, 2024
West Texas Analytical Laboratory, LLC North Price Road, Pampa, Gray County, Texas, United States Member since May 24, 2024
IRIS ENVIRONMENTAL LABORATORIES LLC US Highway 22 And 3, Union, Union County, New Jersey, United States Member since February 12, 2025
Harrens Lab Inc. Breakwater Avenue, Hayward, Alameda County, California, United States Member since July 24, 2024
ResInnova Laboratories Fishers Lane, Rockville, Montgomery County, Maryland, United States Member since April 2, 2024
BASF North America Analytics (ANA) Biddle Avenue, Wyandotte, United States Member since January 14, 2026