| Business | Phone |
| Electrotech 3135 Patapsco Rd, Finksburg 21048 | (410) 239-9675 |
| George A Klinger Jr Inc 1907 Brown Rd, Finksburg 21048 | (410) 861-8713 |
| Pike Electric 1911 Old Westminster Pike, Finksburg 21048 | (410) 871-9954 |
| Sands Electric Co 1938 Deer Park Rd, Finksburg 21048 | (410) 833-6555 |