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
IRIS ENVIRONMENTAL LABORATORIES LLC US Highway 22 And 3, Union, Union County, New Jersey, United States Member since February 12, 2025
ATL – A Bureau Veritas Company Whitney Drive, Milford, Clermont County, Ohio, United States Member since June 17, 2024
Intertek – Grand Rapids Broadmoor Avenue Southeast, Grand Rapids, Kent County, Michigan, United States Member since July 15, 2024
Prime Analytical Laboratories, LLC Nelson Avenue, Concord, Contra Costa County, California, United States Member since April 27, 2025
Tentamus North America Spotsylvania Avenue, Fredericksburg, Spotsylvania County, Virginia, United States Member since February 2, 2025
360° Test Executive Plaza, Yonkers, Westchester County, New York, United States Member since February 7, 2025
Expert Chemical Analysis, Inc. Roselle Street, San Diego, San Diego County, California, United States Member since August 1, 2024
TÜV Rheinland of North America Southeast Otis Corley Drive, Bentonville, Benton County, Arkansas, United States Member since May 21, 2024
Environmental Processes Aqua Solutions Inc. Chicago, Cook County, Illinois, United States Member since June 3, 2025