International RINP, Inc. Verdugo Drive, Laguna Hills, Orange County, California, United States Member since July 26, 2024
360° Test Executive Plaza, Yonkers, Westchester County, New York, United States Member since February 7, 2025
Intertek – Grand Rapids Broadmoor Avenue Southeast, Grand Rapids, Kent County, Michigan, United States Member since July 15, 2024
West Texas Analytical Laboratory, LLC North Price Road, Pampa, Gray County, Texas, United States Member since May 24, 2024
Advanced Terra Testing Parfet Street, Lakewood, Jefferson County, Colorado, United States Member since May 27, 2024
Greening Testing Laboratories, Inc. Mount Elliott Street, Detroit, Wayne County, Michigan, United States Member since May 31, 2024
SEMx Materials Analysis Laboratory 27 Avenue Northeast, Calgary, Alberta, Canada Member since August 6, 2025