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DIAMOND TRANSPORT CORPORATION

USDOT 3593431 · MC1217971 · Middle River, MD

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DIAMOND TRANSPORT CORPORATION

USDOT 3593431 · MC1217971 · Middle River, MD  ·  Underwriter-grade risk snapshot

Operating statusActive
Lead priorityLater
Fleet5 power units · 5 drivers (5 trucks)
OperationA · AUTHORIZED FOR HIRE
Current insurerPROGRESSIVE CASUALTY INSURANCE COMPANY
Crashes / Inspections (24 mo)0 / 7

Out-of-Service Rates

VehicleDriver
This carrier 14.3% (1/7) 42.9% (3/7)
National average22.3%6.7%

⚠️ Above national average. Carriers with high OOS rates face premium surcharges and are more likely to shop for new insurance.

Contact

Address9814 CHARBANK LN
MIDDLE RIVER MD 21220
Phone🔒 Subscribe to reveal
Email🔒 Subscribe to reveal

Fleet & mileage

Power units5
Drivers5 (0 CDL)
MCS-150 mileage128,700 (2025)
MCS-150 filedMay 4, 2026
HazmatN
Cargogeneral freight

Active insurance filings

DocketFormInsurerPolicy #EffectiveCancelledMax coverage
MC121797191XPROGRESSIVE CASUALTY INSURANCE COMPANY Hidden - subscribe to viewJun 6, 2026— 750
MC121797191XPROGRESSIVE CASUALTY INSURANCE COMPANY Hidden - subscribe to viewMay 16, 2026Jun 6, 2026 750
MC121797191XPROGRESSIVE CASUALTY INSURANCE COMPANY Hidden - subscribe to viewApr 28, 2026— 750

Insurance history

InsurerPolicy #EffectiveCancelled
PROGRESSIVE CASUALTY INSURANCE COMPANYHidden May 1, 2026May 16, 2026
PROGRESSIVE CASUALTY INSURANCE COMPANYHidden May 1, 2026Apr 28, 2026
PROGRESSIVE CASUALTY INSURANCE COMPANYHidden Mar 6, 2026Apr 28, 2026
PROGRESSIVE CASUALTY INSURANCE COMPANYHidden Mar 6, 2026May 1, 2026
AGENCY INSURANCE COMPANY OF MARYLAND, INCHidden Jul 31, 2024Apr 7, 2026
AGENCY INSURANCE COMPANY OF MARYLAND, INCHidden Jul 31, 2024Mar 6, 2026
AGENCY INSURANCE COMPANY OF MARYLAND, INCHidden Apr 20, 2023Aug 15, 2024
AGENCY INSURANCE COMPANY OF MARYLAND, INCHidden Apr 20, 2023Jul 31, 2024

Operating authority

DocketStatusPending
MC1217971 Common Active
Contract None
Broker None		 —

Inspections & violations

Total inspections7
Out-of-service6
Vehicle OOS rate28.6%
Driver OOS rate57.1%
Total violations20
OOS violations0

Crashes

Total crashes0
Fatal crashes0
Injuries0

Safety measurement (BASIC)

CategoryMeasureStatus
Unsafe Driving2.95OK
Hours of Service2.7OK
Driver Fitness3.1OK
Controlled Substances0OK
Vehicle Maintenance19OK
Insurance agent? DIAMOND TRANSPORT CORPORATION renews Jun 6, 2027 — get the full MD lead list.

Data as of Thu Oct 15 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Source: FMCSA public filings, refreshed daily by Insight Carrier.

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