| Business | Phone |
| Robert Johnson Electric Catonsville 21228 | (410) 747-2157 |
| Smb Electrical Contractors 616 Old Edmondson Ave, Catonsville 21228 | (410) 747-2400 |
| Marion S Basford Jr 605 Woodhurst Way, Catonsville 21228 | (410) 744-7915 |
| Clarified Electric Inc 741 Frederick Rd, Catonsville 21228 | (410) 788-9034 |
| Dominic Electrical Svc 5 August Ave, Catonsville 21228 | (410) 869-3532 |
| G E Capital 15 Osborne Ave, Catonsville 21228 | (410) 744-0733 |
| Genesis Electric Inc 6 Dunmore Rd, Catonsville 21228 | (410) 455-9769 |
| Kjp Electric Inc 5907 Edmondson Ave, Catonsville 21228 | (410) 747-5444 |
| Lights On Electric 15 Keen Mill Ct, Catonsville 21228 | (410) 242-3223 |