William N Mason Inc
Baltimore, MD · Interstate
Motor Carrier
✓ Authority Active
15
Power units
11
Drivers
25
Roadside inspections
Services
What we move
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
25
Inspections
Jun 23, 2026
Most recent
Jul 28, 2023
Earliest on file
| Date | State | Level |
|---|---|---|
| Jun 23, 2026 | PA | Level III — Driver-only |
| May 15, 2026 | TX | Level II — Walk-around |
| Jan 15, 2026 | MD | Level II — Walk-around |
| Nov 12, 2025 | MD | Level I — Full |
| Sep 10, 2025 | VA | Level II — Walk-around |
About
Who we are
William N Mason Inc is an interstate motor carrier based in Baltimore, MD.
Auto-written from federal records. Claim this page to tell your own story and add your team.
Contact
Work with William N Mason Inc
Address
3510 Wilkens Ave
Baltimore, MD 21229
Phone
(410) 525-2288
BI•••@M•••.COM
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Claim William N Mason Inc — free →Authority history (11 actions)
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract
- Granted — Motor Property Contract Carrier
- Reinstated — Motor Property Contract Carrier
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract
- Involuntary Revocation — Contract