| Business | Phone |
| Kits Welding 6314 Danner Dr, Clinton 20735 | (301) 773-0828 |
| Shaffer & Son Welding & Iron 7550 Ogden Dr, Clinton 20735 | (301) 297-9500 |
| Paul D Collins 5730 Spring St, Clinton 20735 | (301) 297-9169 |
| Hawk Welding Co 8018 Old Alexandria Ferry Rd, Clinton 20735 | (301) 868-7600 |