Diamond Transport Corporation
Middle River, MD · Interstate
Motor Carrier
✓ Authority Active
5
Power units
5
Drivers
7
Roadside inspections
Services
What we move
For-hire trucking
Authorized interstate freight transportation with a fleet of 5 power units.
Property freight
Federal authority on file to haul general property freight.
Interstate operations
Operating scope on federal record: interstate, based out of MD.
Derived from federal registrations. Claim this page to list your exact equipment and lanes.
Fleet & safety
The operation
7
Inspections
Mar 4, 2026
Most recent
Dec 9, 2024
Earliest on file
| Date | State | Level |
|---|---|---|
| Mar 4, 2026 | CT | Level III — Driver-only |
| Jan 21, 2026 | PA | Level III — Driver-only |
| Dec 23, 2025 | CT | Level II — Walk-around |
| May 27, 2025 | NJ | Level III — Driver-only |
| Apr 23, 2025 | MA | Level I — Full |
About
Who we are
Diamond Transport Corporation is an interstate motor carrier based in Middle River, MD.
Auto-written from federal records. Claim this page to tell your own story and add your team.
Contact
Work with Diamond Transport Corporation
Address
9814 Charbank Ln
Middle River, MD 21220
Phone
(240) 661-3688
DT•••@O•••.COM
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Claim Diamond Transport Corporation — free →Authority history (4 actions)
- Granted — Motor Property Common Carrier
- Involuntary Revocation — Common
- Involuntary Revocation — Common
- Involuntary Revocation — Common