| Business | Phone |
| A B Electric Waldorf 20601 | (301) 374-9473 |
| Accredited Electrical Svc 332 Woodside Pl, Waldorf 20601 | (301) 843-9955 |
| Adcock Electric Alarms & Contr 11954 Motley Pl, Waldorf 20602 | (301) 843-3661 |
| All Power Electric Inc 3 J P Morgan Ct, Waldorf 20602 | (301) 374-9444 |
| All-Tech Electric Co Inc 3438 Gough Dr, Waldorf 20602 | (301) 870-5415 |
| American Auto Electric 11824 Pika Dr, Waldorf 20602 | (301) 645-1164 |
| W E Brengle 9011 Holly Ave, Waldorf 20601 | (301) 843-7537 |
| Certified Electrical Waldorf 20601 | (301) 396-5265 |
| Circuits Unlimited 3465 Rockefeller Ct, Waldorf 20602 | (301) 843-6108 |
| Commercial Wiring Systems 3149 Apple Creek Ln, Waldorf 20603 | (301) 870-5566 |
| Cmp Electric Inc 2 Industrial Park Dr, Waldorf 20602 | (301) 396-8520 |
| Crt Electric Inc 12350 Vivian Adams Dr, Waldorf 20601 | (301) 870-4300 |
| Crt Electric Inc 21 Industrial Park Dr, Waldorf 20602 | (301) 870-4300 |
| Electraco Inc 11812 Pika Dr, Waldorf 20602 | (301) 843-1887 |
| Electric 12402 Waldorf Business Sq, Waldorf 20601 | (301) 870-0182 |
| John Goudie Waldorf 20601 | (301) 645-0435 |
| Hamilton Electric Co 8 Irongate Dr # D, Waldorf 20602 | (301) 843-3310 |
| Iec 9 Jay Gould Ct, Waldorf 20602 | (301) 870-8838 |
| Pjc Electric 9705 Cadwell St, Waldorf 20603 | (301) 893-9295 |
| T C Electrical Svc Inc Po Box 1611, Waldorf 20604 | (301) 843-7300 |
| Taylor Electric Co 2915 Old Washington Rd, Waldorf 20601 | (301) 645-7081 |
| Tde Electric Waldorf 20601 | (301) 645-1302 |
| Unidata Systems Inc 2915 Old Washington Rd, Waldorf 20601 | (301) 885-0331 |
| Zapata Enterprises Inc 12150 Acton Ln # E, Waldorf 20601 | (301) 705-8799 |
| S&S Electric, LLC Waldorf 20602 | (301) 645-0947 |