Keller Bus Service
Keller Transportation Inc · Waldorf, MD · Interstate
Motor Carrier
✓ Authority Active
99
Power units
64
Drivers
281
Roadside inspections
Services
What we move
For-hire trucking
Authorized interstate freight transportation with a fleet of 99 power units.
Passenger transport
Authority on file for passenger operations.
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
281
Inspections
May 27, 2026
Most recent
Jul 3, 2023
Earliest on file
| Date | State | Level |
|---|---|---|
| May 27, 2026 | MD | Level II — Walk-around |
| Apr 21, 2026 | MD | Level II — Walk-around |
| Apr 15, 2026 | MD | Level II — Walk-around |
| Aug 7, 2025 | DC | Level I — Full |
| Aug 4, 2025 | DC | Level I — Full |
About
Who we are
Keller Bus Service is an interstate motor carrier based in Waldorf, MD.
Auto-written from federal records. Claim this page to tell your own story and add your team.
Contact
Work with Keller Bus Service
Address
4472 Gallant Green Rd
Waldorf, MD 20601
Phone
(301) 843-1881
CK•••@C•••.NET
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Claim Keller Bus Service — free →Authority history (10 actions)
- Involuntary Revocation — Common
- Involuntary Revocation — Common
- Involuntary Revocation — Common
- Involuntary Revocation — Common
- Involuntary Revocation — Common
- Granted — Motor Passenger Common Carrier
- Involuntary Revocation — Common
- Involuntary Revocation — Common
- Granted — Motor Passenger Common Carrier
- Granted — Motor Passenger Common Carrier