Vanguard Laboratory Parkmont Lane Southwest, Olympia, Thurston County, Washington, United States Member since December 26, 2024
The Center for Scientific Excellence Canton, Stark County, Ohio, United States Member since July 24, 2025
Environmental Processes Aqua Solutions Inc. Chicago, Cook County, Illinois, United States Member since June 3, 2025
Prime Analytical Laboratories, LLC Nelson Avenue, Concord, Contra Costa County, California, United States Member since April 27, 2025
Element Materials Technology – Ann Arbor Venture Drive, Ann Arbor, Washtenaw County, Michigan, United States Member since April 23, 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
360° Test Executive Plaza, Yonkers, Westchester County, New York, United States Member since February 7, 2025
Materials Analytical Services Lakefield Court, Suwanee, Forsyth County, Georgia, United States Member since February 7, 2025
Tentamus North America Spotsylvania Avenue, Fredericksburg, Spotsylvania County, Virginia, United States Member since February 2, 2025