| Business | Phone |
| Fastenal Co 4650 Wedgewood Blvd # 106, Frederick 21703 | (301) 620-2616 |
| Grabber Frederick 5431 Yukon Ct, Frederick 21703 | (301) 371-0701 |
| Hi Tech Fastners Inc 4509 Metropolitan Ct, Frederick 21704 | (301) 831-1278 |
| Posner Industries Inc 4600 Wedgewood Blvd # J, Frederick 21703 | (301) 668-4450 |
| Rev Car Fasteners Inc 6809 Bowmans Xing # A, Frederick 21703 | (301) 682-6903 |