United States ESI North America - Farmington Hills 32605 West 12 Mile Road, Suite 350Farmington Hills, MI 48334United States+1 (248) 381 8040+1 (248) 381 8040+1 (248) 381 8998Headquarters ESI US R&D - San Jose 2860 Zanker RoadSuite 210San Jose, CA 95134United States+1 (650) 781-7273 Ext 100+1 (650) 781-7273 Ext 100Subsidiary ESI US R&D - San Diego 12555 High Bluff Drive, Suite 175San Diego, CA 92130United States+1 (858) 350 0057+1 (858) 350 0057+1 (858) 350 8328Subsidiary ESI US R&D - Huntsville 6767 Old Madison Pike, Suite 600Huntsville, AL 35806United States+1 (256) 713 4700+1 (256) 713 4700+1 (256) 713 4799Subsidiary ESI US R&D - Columbia 9891 Broken Land Parkway, Suite 200Columbia, MD 21046United StatesSubsidiary