Carrier profile · USDOT 45669 · Updated Jun 13, 2026

Supreme Concrete Block Inc

14 power unitsHAGERSTOWN, MD50/100
AUTHORITY STATUS UNKNOWN
Verified linksFMCSA SAFER

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

Mailing address
P O BOX 478, HAGERSTOWN, MD, 21740
Operation
Interstate

Contact

Fax
(301) 739-8215
Email

Registration

USDOT / docket
45669
First registered
Jun 1, 1974
Last MCS-150
Oct 25, 2004 · 622,000 mi (2001)
FMCSA safety rating
Not rated
D-U-N-S
63208359

Fleet (self-reported · MCS-150)

14Power units
15Drivers
1CDL drivers
622,000Annual mileage

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.