Expert Chemical Analysis, Inc. Roselle Street, San Diego, San Diego County, California, United States Member since August 1, 2024
Harrens Lab Inc. Breakwater Avenue, Hayward, Alameda County, California, United States Member since July 24, 2024
Prime Analytical Laboratories, LLC Nelson Avenue, Concord, Contra Costa County, California, United States Member since April 27, 2025
Centricor Analytical Labs Chesapeake Drive, Charlotte, Mecklenburg County, North Carolina, United States Member since June 22, 2024
IRIS ENVIRONMENTAL LABORATORIES LLC US Highway 22 And 3, Union, Union County, New Jersey, United States Member since February 12, 2025
Environmental Processes Aqua Solutions Inc. Chicago, Cook County, Illinois, United States Member since June 3, 2025
Advanced Terra Testing Parfet Street, Lakewood, Jefferson County, Colorado, United States Member since May 27, 2024
Insanitek Research and Development Carmel, Hamilton County, Indiana, United States Member since September 10, 2025
SEMx Materials Analysis Laboratory 27 Avenue Northeast, Calgary, Alberta, Canada Member since August 6, 2025