Greening Testing Laboratories, Inc. Mount Elliott Street, Detroit, Wayne County, Michigan, United States Member since May 31, 2024
Intertek – Grand Rapids Broadmoor Avenue Southeast, Grand Rapids, Kent County, Michigan, United States Member since July 15, 2024
Advanced Terra Testing Parfet Street, Lakewood, Jefferson County, Colorado, United States Member since May 27, 2024
TÜV Rheinland of North America Southeast Otis Corley Drive, Bentonville, Benton County, Arkansas, United States Member since May 21, 2024
Vista Engineering Citation Court, Homewood, Jefferson County, Alabama, United States Member since May 29, 2024
360° Test Executive Plaza, Yonkers, Westchester County, New York, United States Member since February 7, 2025
Dr Blaze’s Laboratories Boxborough, Middlesex County, Massachusetts, United States Member since August 20, 2025
Industrial Microbiological Services, LLC. Pittsburgh, Allegheny County, Pennsylvania, United States Member since September 25, 2025