DIAMOND TRANSPORT CORPORATION

Authority active

USDOT 3593431 · MC1217971 · MIDDLE RIVER, MD

DIAMOND TRANSPORT CORPORATION (USDOT 3593431, MC MC1217971) is a motor carrier based in MIDDLE RIVER, MD. This page provides comprehensive safety information, inspection history, authority status, and compliance data for DIAMOND TRANSPORT CORPORATION.

Quick Facts

Legal Name:: DIAMOND TRANSPORT CORPORATION
USDOT Number:: 3593431
MC Number:: MC1217971
Authority Status:: Active
Power Units:: 5
Location:: MIDDLE RIVER, MD

Insurance filing

Unknown

USDOT registration

USDOT active

Fleet size

5 power units

5 drivers

Safety record

Rolling 24 months

inspections

with violations

violations

14.3%

vehicle out of service

42.9%

driver out of service

FMCSA safety scores through Jun 2026

Unsafe driving
43.3%

worse than 43% of 28,371 similar carriers
Hours of service
2 of 7 with violations
Vehicle maintenance
2 of 2 with violations
Driver fitness
3 of 7 with violations
Controlled substances
No violations

Recent inspections

Mar 4, 2026CT0767000558Driver placed out of serviceOut of service

Jan 21, 2026PAC122000727Driver placed out of serviceOut of service

Dec 23, 2025CT3081A00360Violations recorded4 violations

May 27, 2025NJSPSM001128No violations foundClear

Operating profile

DOT Company Census · updated Aug 14, 2026

Operation

Classification

AUTHORIZED FOR HIRE

Registered

Mar 19, 2021

MCS-150 mileage

128,700 mi

Mileage year

2025

Reported cargo

No cargo classifications reported.