1. Warren Screw Works Inc 13360 Wayne Rd, Livonia, MI 48150 Coordinate: 42.37923,-83.38791 Phone: (734) 525-2920
2. General Fasteners Company 37584 Amrhein Rd, Livonia, MI 48150 Coordinate: 42.37473,-83.41494 Phone: (734) 452-2400