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
Centricor Analytical Labs Chesapeake Drive, Charlotte, Mecklenburg County, North Carolina, United States Member since June 22, 2024
Prime Analytical Laboratories, LLC Nelson Avenue, Concord, Contra Costa County, California, United States Member since April 27, 2025
Constitution Laboratories LLC Ish Drive, Simi Valley, Ventura County, California, United States Member since November 25, 2024
F2 Labs Ridge Road, Damascus, Montgomery County, Maryland, United States Member since February 2, 2024
Exponent North 38th Street, Philadelphia, Philadelphia County, Pennsylvania, United States Member since August 18, 2024
Pro-Pack Testing Laboratory, Inc. Amann Drive, Belleville, St. Clair County, Illinois, United States Member since October 9, 2025
Expert Chemical Analysis, Inc. Roselle Street, San Diego, San Diego County, California, United States Member since August 1, 2024
Consumer Product Testing Company, Inc. New Dutch Lane, Fairfield, Essex County, New Jersey, United States Member since July 10, 2024