TÜV Rheinland of North America Southeast Otis Corley Drive, Bentonville, Benton County, Arkansas, United States Member since May 21, 2024
Greening Testing Laboratories, Inc. Mount Elliott Street, Detroit, Wayne County, Michigan, United States Member since May 31, 2024
Twin Arbor Labs Empresa Drive, San Luis Obispo, San Luis Obispo County, California, United States Member since July 29, 2025