| Business | Phone |
| Mills-Russell Inc 7424 Old Alexandria Ferry Rd, Clinton 20735 | (301) 856-1160 |
| Mona Electric Group Inc 7915 Malcolm Rd # 102, Clinton 20735 | (301) 868-8400 |
| R T Moore Co Clinton 20735 | (301) 297-4915 |
| Advanced Electric 10890 Brandywine Rd, Clinton 20735 | (301) 856-2585 |
| Staples Electric Co 7902 Mike Shapiro Dr, Clinton 20735 | (301) 599-0482 |
| C Hager Co 7431 Old Alexandria Ferry Rd, Clinton 20735 | (301) 856-0600 |
| Tmi Electric Inc 7493 Old Alexandria Ferry Rd, Clinton 20735 | (301) 856-6018 |
| Total Wiring Systems Inc 8036 Old Alexandria Ferry Rd, Clinton 20735 | (301) 856-2700 |
| Hager Electric Svc 7445 Old Alexandria Ferry Rd, Clinton 20735 | (301) 868-8520 |