360Β° Test Executive Plaza, Yonkers, Westchester County, New York, United States Member since February 7, 2025
Element Materials Technology – Midland, MI North Stark Road, Midland, Midland County, Michigan, United States Member since April 23, 2025
IRIS ENVIRONMENTAL LABORATORIES LLC US Highway 22 And 3, Union, Union County, New Jersey, United States Member since February 12, 2025
Intertek – Grand Rapids Broadmoor Avenue Southeast, Grand Rapids, Kent County, Michigan, United States Member since July 15, 2024
STC – Hong Kong Standards and Testing Center Hamburg Turnpike, Wayne, Passaic County, New Jersey, United States Member since May 25, 2024
Vanguard Laboratory Parkmont Lane Southwest, Olympia, Thurston County, Washington, United States Member since December 26, 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
Harrens Lab Inc. Breakwater Avenue, Hayward, Alameda County, California, United States Member since July 24, 2024
TΓV 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