DENSO North America Companies DENSO International America, Inc. Locations: Southfield, Michigan (North American Headquarters) Waterloo, Iowa (Waterloo Operations) Vista, California (North American Research Development) San Jose, California (North American Research Development) Long Beach, California (Sales & Engineering) Dublin, Ohio (Sales & Quality Engineering) Belleville, Michigan (North American Logistics Center) Fremont, California (North American Logistics Center) Laredo, Texas (North American Logistics Center) Established: 1985 Employees: 1,063 Main Business: Regional headquarters for North American operations, sales, engineering, design, technical support and finance