Trucking Lens

William S Parker

USDOT 3177476MC-123514USDOT activeAuthority active· DBA Four Brothers Trucking· Salisbury, MD

William S Parker (USDOT 3177476) holds active operating authority as a motor carrier of property under MC-123514 based in Salisbury, MD. The earliest grant on file is from October 2018, 8 years, 1 month ago. $1,000,000 of liability coverage is on file with Great West Casualty Co. It reported 1 power unit and 1 driver on its last MCS-150 update (March 2026).

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-123514Motor carrier of propertyActive$750,000 liability$1,000,000 liability

Earliest grant on file: Oct 2, 2018 (8 years, 1 month ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XGreat West Casualty Co.$1,000,000Sep 26, 2021—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Oct 2, 2018MC-123514Granted · motor carrier of property

Registration

USDOT number3177476
USDOT statusActive
MC numberMC-123514
Legal nameWilliam S Parker
DBA nameFour Brothers Trucking
OperationInterstate
ClassificationAuthorized for hire
LocationSalisbury, Maryland 21801
USDOT addedAug 23, 2018
Last MCS-150 updateMar 19, 2026
Safety ratingNot rated

Fleet

Power units1
Trucks1
Drivers1 · 1 with a CDL
Annual miles66,232 · 2025

Cargo carried

General freight

Check it yourself

Data as of Nov 14, 2026. Sources

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