| Business | Phone |
| Advanced Electrical Techs Inc 365 Mae Rd, Glen Burnie 21061 | (410) 661-9266 |
| Aet Inc 365 Mae Rd, Glen Burnie 21061 | (410) 969-7100 |
| Benson Electric Co 112 Governors Ct, Glen Burnie 21061 | (410) 636-4221 |
| C & R Electric Inc 600 Crain Hwy S, Glen Burnie 21061 | (410) 760-4224 |
| Edison Electric Co Inc 200 Holsum Way, Glen Burnie 21060 | (410) 582-9777 |
| Enterprise Electric Co 898 Airport Park Rd, Glen Burnie 21061 | (410) 590-4991 |
| Ray A Griffith 893 Gordon Dr, Glen Burnie 21061 | (410) 761-8868 |
| K & W Electric Co 117 Roesler Rd, Glen Burnie 21060 | (410) 761-4432 |
| L & L Electrical 412 Howard Manor Dr, Glen Burnie 21060 | (410) 360-1794 |
| Milton Electric Inc 3618 E Lombard St, Glen Burnie 21061 | (410) 766-0483 |
| Presto Electric Inc Glen Burnie 21061 | (410) 760-2391 |
| Resch Electric 7830 Oakwood Rd, Glen Burnie 21061 | (410) 766-1300 |