Trucking Lens

Diamond Transport Corporation

USDOT 3593431MC-1217971USDOT activeAuthority active· Middle River, MD

Diamond Transport Corporation (USDOT 3593431) holds active operating authority as a motor carrier of property under MC-1217971 based in Middle River, MD. The earliest grant on file is from April 2021, 5 years, 6 months ago. $750,000 of liability coverage is on file with Progressive Casualty Insurance Company. It reported 5 power units and 5 drivers on its last MCS-150 update (May 2026).

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-1217971Motor carrier of propertyActive$750,000 liability$750,000 liability

Earliest grant on file: Apr 13, 2021 (5 years, 6 months ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XProgressive Casualty Insurance Company$750,000Jun 6, 2026—
Liability (BIPD) · form 91XProgressive Casualty Insurance Company$750,000Apr 28, 2026—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Aug 2, 2024MC-1217971Discontinued revocation · common carrier
Jul 19, 2024MC-1217971Involuntary revocation · common carrier
Apr 7, 2023MC-1217971Discontinued revocation · common carrier
Mar 13, 2023MC-1217971Involuntary revocation · common carrier
Apr 8, 2022MC-1217971Discontinued revocation · common carrier
Mar 11, 2022MC-1217971Involuntary revocation · common carrier
Apr 13, 2021MC-1217971Granted · motor carrier of property
Apr 13, 2021MC-1217971Granted · motor carrier of property

Registration

USDOT number3593431
USDOT statusActive
DocketsMC-1217971
Legal nameDiamond Transport Corporation
OperationInterstate
ClassificationAuthorized for hire
LocationMiddle River, Maryland 21220
USDOT addedMar 19, 2021
Last MCS-150 updateMay 4, 2026
Safety ratingNot rated

Fleet

Power units5
Trucks5
Drivers5
Annual miles128,700 · 2025

Cargo carried

General freight

Check it yourself

Data as of Nov 12, 2026. Sources

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