| Business | Phone |
| Benfield Electric Co 5710 Furnace Ave # A, Elkridge 21075 | (410) 796-0315 |
| Chris Thomas Electric Elkridge 21075 | (410) 379-0676 |
| Del Sur Electric Inc 5710 Furnace Ave, Elkridge 21075 | (410) 796-5200 |
| Eccentric Electric Inc 6370 Woodburn Ave, Elkridge 21075 | (410) 379-9025 |
| Jdb Electric 6055 Avalon Dr, Elkridge 21075 | (410) 379-0707 |
| Kolb Electric 6655 Amberton Dr, Elkridge 21075 | (410) 579-5800 |
| Kolb Electric Inc 6774 Dorsey Rd, Elkridge 21075 | (410) 789-1000 |
| Northern Cross Electric 6342 Greenfield Rd, Elkridge 21075 | (410) 489-9782 |
| Steed Electric Elkridge 21075 | (443) 755-9600 |