Expert Chemical Analysis, Inc. Roselle Street, San Diego, San Diego County, California, United States Member since August 1, 2024
Gateway Analytical Kramer Road, Gibsonia, Allegheny County, Pennsylvania, United States Member since January 15, 2025
Tentamus North America Spotsylvania Avenue, Fredericksburg, Spotsylvania County, Virginia, United States Member since February 2, 2025
CS Analytical Industrial West, Clifton, Passaic County, New Jersey, United States Member since May 15, 2024
Centricor Analytical Labs Chesapeake Drive, Charlotte, Mecklenburg County, North Carolina, United States Member since June 22, 2024
Harken Research Paseo Rancho Castilla, Los Angeles, Los Angeles County, California, United States Member since October 10, 2024
Element Materials Technology – Midland, MI North Stark Road, Midland, Midland County, Michigan, United States Member since April 23, 2025
ADPEN Laboratories, Inc. Central Parkway, Jacksonville, Duval County, Florida, United States Member since August 21, 2025