USDOT 3395819 · carrier profile
WILLIAMSON'S PLUMBING & HEATING CORPORATION
Active private carrier in Upper Marlboro, MD 20772.
Power units
Drivers
CDL drivers
Status
Registration
- USDOT number
- 3395819
- MC / docket number
- None on file
- USDOT status
- Active
- Operation
- Interstate
- Carrier type
- Private property
- Location
- Upper Marlboro, MD 20772
- Hazmat
- No
- Safety rating
- Not rated
- Added to the census
- Feb 14, 2020
- Last MCS-150 update
- Sep 24, 2025
- Miles reported
- 293,212 in 2024
Equipment
| Type | Owned | Term leased | Trip leased |
|---|---|---|---|
| Straight trucks | 4 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
Power units: 4. Self-reported by the carrier on form MCS-150.