TÜV Rheinland of North America Southeast Otis Corley Drive, Bentonville, Benton County, Arkansas, United States Member since May 21, 2024
Advanced Terra Testing Parfet Street, Lakewood, Jefferson County, Colorado, United States Member since May 27, 2024
Scout Scientific LLC 1800 N Greene St., Suite G, Greenville, North Carolina, United States Member since July 8, 2025
Twin Arbor Labs Empresa Drive, San Luis Obispo, San Luis Obispo County, California, United States Member since July 29, 2025