Carrier profile · USDOT 352302 · Updated Jun 13, 2026
Mid South Building Supply Co
6 power unitsBELTSVILLE, MD50/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 5640 SUNNYSIDE AVE STE P, BELTSVILLE, MD, 20705-2247
- Operation
- Interstate
Contact
- Phone
- (240) 965-8200
- Fax
- (240) 965-8241
- —
Registration
- Officers
- John Briggs · Daniel Flynn
- USDOT / docket
- 352302
- First registered
- Apr 27, 1989
- Last MCS-150
- Dec 14, 2015 · 81,174 mi (2015)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 71301337
Fleet (self-reported · MCS-150)
—CDL drivers
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.