WILLIAMSON'S PLUMBING & HEATING CORPORATION
USDOT 3395819 · Active
Active, interstate carrier, small fleet (4 power units) — no FMCSA safety rating on record (common).
Carrier identity
| USDOT Number | 3395819 |
|---|---|
| MC Number | — |
| Legal Name | WILLIAMSON'S PLUMBING & HEATING CORPORATION |
| DBA Name | — |
| Entity Type | — |
| Phone | 3014202702 |
| Address | 7943-A PENN RANDALL PL, Upper Marlboro, MD, 20772 |
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Fleet & operations
| Power Units (trucks) | 4 |
|---|---|
| Drivers | 4 |
| Recent Annual Mileage | 293,212 |
| Last MCS-150 Filing | 24-SEP-25 |
WILLIAMSON'S PLUMBING & HEATING CORPORATION operates 4 power units — a larger fleet than 87% of carriers registered in MD.
Other carriers in Upper Marlboro, MD
- HAMMOND BEVERAGE GROUP OF MD — USDOT 3440127, 25 power units
- GENERAL SHEET METAL AND MECHANICAL LLC — USDOT 3317311, 7 power units
- GET-EM-GONE LLC — USDOT 3185688, 5 power units
- UNITED CONSTRUCTION SERVICES LLC — USDOT 3236479, 5 power units
- MINORITY ENVIRONMENTAL SOLUTIONS AND SERVICES LLC — USDOT 3332744, 5 power units
Browse all carriers in Upper Marlboro, MD or all MD carriers.