Vista Engineering Citation Court, Homewood, Jefferson County, Alabama, United States Member since May 29, 2024
ADPEN Laboratories, Inc. Central Parkway, Jacksonville, Duval County, Florida, United States Member since August 21, 2025
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
DATASYST Engineering and Testing Services, Inc. Delafield, United States Member since November 10, 2025
SJ Labs and Analytics Walnut Street, Macon, Bibb County, Georgia, United States Member since July 15, 2025