Contractors active in Maryland county permit records, grouped from public filings. Counts reflect permits attributed to each firm. Not every filing names a contractor, so counts here are a floor. A firm's actual permit activity is usually higher.
| Contractor | Trade | Counties | Permits | Last active |
|---|---|---|---|---|
| ARTISAN ELECTRICAL | Electrical | Howard County | 3 | Jul 2026 |
| CAA ELECTRICAL SERVICES LLC | Electrical | Howard County | 3 | Jul 2026 |
| C & C ELECTRIC | Electrical | Howard County | 3 | Jun 2026 |
| COLESVILLE ELECTRIC | Electrical | Howard County | 3 | Jun 2026 |
| DYNAMO ELECTRIC LLC | Electrical | Howard County | 3 | Jun 2026 |
| ELECTRICAL SOLUTIONS BY MCD | Electrical | Howard County | 3 | Jul 2026 |
| E. P. ELECTRIC LLC | Electrical | Howard County | 3 | Jun 2026 |
| GEIGAN ELECTRIC | Electrical | Howard County | 3 | Jul 2026 |
| IDEAL ELECTRICAL SERVICES | Electrical | Frederick County, Howard County | 3 | May 2026 |
| INTERCONNECT SERVICES INC | Electrical | Howard County | 3 | Jun 2026 |
| LANSTAR SYSTEMS INC | Electrical | Howard County | 3 | Jun 2026 |
| MACKEY ELECTRICAL SERVICES INC | Electrical | Howard County | 3 | Jun 2026 |
| NOHO ZEPHYR I LLC DBA MICHAEL BONSBY HVAC, PLUMBING, & ELECTRICAL | Electrical | Howard County | 3 | Apr 2026 |
| O'MEARA ELECTRIC LLC | Electrical | Howard County | 3 | Jul 2026 |
| R.E. CLARKE ELECTRICAL SOLUTIONS LLC | Electrical | Howard County | 3 | Jul 2026 |
| RRF SOLUTIONS LLC | Electrical | Frederick County, Howard County | 3 | Jul 2026 |
| SKIRATKO ELECTRIC INC | Electrical | Howard County | 3 | Jun 2026 |
| SONNER & ASSOCIATES | Electrical | Howard County | 3 | Jun 2026 |
| STILWELL MECHANICAL LLC | Electrical | Howard County | 3 | Jul 2026 |
| STRAT SECURITY SYSTEMS | Electrical | Howard County | 3 | Jun 2026 |
| SUNRISE ELECTRIC | Electrical | Howard County | 3 | Jul 2026 |
| TAKOVA ELECTRIC, LLC | Electrical | Howard County | 3 | Jun 2026 |
| TRI POWER ELECTRICAL CONTRACTOR LLC | Electrical | Howard County | 3 | Jun 2026 |
| W & M ELECTRICAL SERVICES | Electrical | Howard County | 3 | May 2026 |
Source: county permit records. Updated monthly.