Carrier profile · USDOT 126804 · MC-150473 · Updated Jun 13, 2026

O'boyle Tank Lines Inc

208 power unitsROCKVILLE, MD48/100
CARRIER INACTIVEMC-150473 INACTIVERATED SATISFACTORY
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
2115 E JEFFERSON STE 400, ROCKVILLE, MD, 20852
Operation
Interstate

Contact

Phone
(301) 881-8300
Email
—

Registration

USDOT / docket
126804 · MC-150473
First registered
Jun 1, 1974
Last MCS-150
— · 0 mi
FMCSA safety rating
Satisfactory · Jun 20, 1980
D-U-N-S
—

Fleet (self-reported · MCS-150)

208Power units
—Drivers
—CDL drivers
—Annual 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.