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 |
|---|---|---|---|---|
| SB Plumbing, LLC. | Plumbing | Frederick County, Howard County | 3 | Jun 2026 |
| Tim Stotelmyer | Plumbing | Frederick County | 3 | Jun 2026 |
Source: county permit records. Updated monthly.