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 |
|---|---|---|---|---|
| Josh Ramsburg | Plumbing | Frederick County | 3 | Jul 2026 |
| JS Tank Removal | Site | Frederick County | 3 | Jul 2026 |
| Justin Cantwell | Electrical | Frederick County | 3 | May 2026 |
| Lumen Brothers Electric Company LLC | Electrical | Frederick County | 3 | Jun 2026 |
| Martin Lentz | Frederick County | 3 | May 2026 | |
| MATTHEW G PERFATER | Pool & Spa | Frederick County | 3 | Jul 2026 |
| Michael Price | Electrical | Frederick County | 3 | Jul 2026 |
| Most Valuable Plumber | Accessory Structure | Frederick County | 3 | Jun 2026 |
| MR MICHAEL S ARNESON JR | Deck & Patio | Frederick County | 3 | Jun 2026 |
| PAVEL ABAEV | Plumbing | Frederick County, Howard County | 3 | Jul 2026 |
| PROBUILT DECK & FENCE LLC | Deck & Patio | Frederick County | 3 | Jul 2026 |
| RRF SOLUTIONS LLC | Electrical | Frederick County, Howard County | 3 | Jul 2026 |
| Salone Solutions LLC | Electrical | Frederick County | 3 | Jun 2026 |
| SB Plumbing, LLC. | Plumbing | Frederick County, Howard County | 3 | Jun 2026 |
| Scherer Contracting Inc | Deck & Patio | Frederick County | 3 | Jul 2026 |
| Services LLC Guardian fire protection | Fire Protection | Frederick County | 3 | Jun 2026 |
| Solar Installers Near Me LLC | Solar | Frederick County | 3 | Jun 2026 |
| STAMBAUGH ELECTRIC LLC | Electrical | Frederick County | 3 | Jul 2026 |
| SUSTAINABLE ENERGY SYSTEMS | Solar | Frederick County, Howard County | 3 | Jun 2026 |
| Tim Stotelmyer | Plumbing | Frederick County | 3 | Jun 2026 |
| Venture Home Solar, LLC | Solar | Frederick County, Howard County | 3 | Jun 2026 |
Source: county permit records. Updated monthly.