Environmental Processes Aqua Solutions Inc. Chicago, Cook County, Illinois, United States Member since June 3, 2025
IRIS ENVIRONMENTAL LABORATORIES LLC US Highway 22 And 3, Union, Union County, New Jersey, United States Member since February 12, 2025
West Texas Analytical Laboratory, LLC North Price Road, Pampa, Gray County, Texas, United States Member since May 24, 2024
ATL – A Bureau Veritas Company Whitney Drive, Milford, Clermont County, Ohio, United States Member since June 17, 2024
SEMx Materials Analysis Laboratory 27 Avenue Northeast, Calgary, Alberta, Canada Member since August 6, 2025
ProVerde Environmental Milford, Worcester County, Massachusetts, United States Member since October 28, 2025