Vanguard Laboratory Parkmont Lane Southwest, Olympia, Thurston County, Washington, United States Member since December 26, 2024
GPI Labs – Independent Materials, Corrosion, and Weathering Testing Laboratory 4403 Donkers Court Southeast, Kentwood, United States Member since October 6, 2026
Insanitek Research and Development Carmel, Hamilton County, Indiana, United States Member since September 10, 2025