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Middledorf Bus Company

USDOT 362791MC-749162USDOT activeAuthority active· Clinton, MD

Middledorf Bus Company (USDOT 362791) holds active operating authority as a motor carrier of passengers under MC-749162 based in Clinton, MD. The earliest grant on file is from September 2012, 14 years, 1 month ago. $4,000,000 of liability coverage is on file with Philadelphia Indemnity Insurance Company. It reported 12 power units and 24 drivers on its last MCS-150 update (August 2026).

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-749162Motor carrier of passengersActive$5,000,000 liability$5,000,000 liability

Earliest grant on file: Sep 20, 2012 (14 years, 1 month ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XPhiladelphia Indemnity Insurance Company$4,000,000Apr 3, 2026—
Liability (BIPD) · form 91XPhiladelphia Indemnity Insurance Company$1,000,000Apr 3, 2026—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Nov 25, 2020MC-749162Reinstated · motor carrier of passengers
Nov 25, 2020MC-749162Reinstated · motor carrier of passengers
Nov 10, 2020MC-749162Revoked · motor carrier of passengers
Apr 4, 2019MC-749162Discontinued revocation · common carrier
Mar 7, 2019MC-749162Involuntary revocation · common carrier
Apr 3, 2018MC-749162Discontinued revocation · common carrier
Mar 12, 2018MC-749162Involuntary revocation · common carrier
Apr 3, 2017MC-749162Discontinued revocation · common carrier
Mar 7, 2017MC-749162Involuntary revocation · common carrier
Jun 19, 2014MC-749162Reinstated · motor carrier of passengers
Apr 9, 2014MC-749162Revoked · motor carrier of passengers
Sep 20, 2012MC-749162Granted · motor carrier of passengers

Revocations

DocketAuthorityOrder servedEffective
MC-749162CommonOct 8, 2020Nov 10, 2020 · involuntary revocation
MC-749162CommonMar 7, 2014Apr 9, 2014 · involuntary revocation

Registration

USDOT number362791
USDOT statusActive
MC numberMC-749162
Legal nameMiddledorf Bus Company
OperationInterstate
ClassificationPrivate property, Private passenger, business, Private passenger, non-business, Authorized for hire
Business typeIndividual
LocationClinton, Maryland 20735
USDOT addedAug 17, 1989
Last MCS-150 updateAug 20, 2026
Safety ratingConditional · Oct 20, 2012

Fleet

Power units12
Buses12
Drivers24 · 12 with a CDL
Annual miles171,000 · 2025

Cargo carried

Passengers

Check it yourself

Data as of Nov 13, 2026. Sources

Other carriers in Clinton, MD

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