Element Materials Technology – Midland, MI North Stark Road, Midland, Midland County, Michigan, United States Member since April 23, 2025
Pro-Pack Testing Laboratory, Inc. Amann Drive, Belleville, St. Clair County, Illinois, United States Member since October 9, 2025
DATASYST Engineering and Testing Services, Inc. Delafield, United States Member since November 10, 2025