Vista Engineering Citation Court, Homewood, Jefferson County, Alabama, United States Member since May 29, 2024
TÜV Rheinland of North America Southeast Otis Corley Drive, Bentonville, Benton County, Arkansas, United States Member since May 21, 2024
Tentamus North America Spotsylvania Avenue, Fredericksburg, Spotsylvania County, Virginia, United States Member since February 2, 2025
Advanced Terra Testing Parfet Street, Lakewood, Jefferson County, Colorado, United States Member since May 27, 2024
Environmental Processes Aqua Solutions Inc. Chicago, Cook County, Illinois, United States Member since June 3, 2025
ADPEN Laboratories, Inc. Central Parkway, Jacksonville, Duval County, Florida, United States Member since August 21, 2025
Insanitek Research and Development Carmel, Hamilton County, Indiana, United States Member since September 10, 2025