Carrier profile · USDOT 658227 · MC-254034 · Updated Jun 13, 2026

MARIO R DE LEON

DBA MDL EXPRESS

1 power unitGAITHERSBURG, MD50/100
CARRIER INACTIVEMC-254034 INACTIVEHAZMAT
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

Physical address
137 TIMBERBROOK LN #102, GAITHERSBURG, MD, 20878
Operation
Interstate· Hazmat

Contact

Phone
(240) 281-5744
Email
—

Registration

Officer
Mario De Leon
USDOT / docket
658227 · MC-254034
First registered
Sep 9, 1996
Last MCS-150
Jul 6, 2010 · 79,445 mi (2007)
FMCSA safety rating
Not rated
D-U-N-S
—

Fleet (self-reported · MCS-150)

1Power units
1Drivers
1CDL drivers
79,445Annual 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.