Carrier profile · USDOT 567728 · Updated Jun 13, 2026
Shawnee Rock Company
5 power unitsSAINT JOSEPH, MO50/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 5310 SAINT JOSEPH AVENUE, SAINT JOSEPH, MO, 64504
- Mailing address
- P O BOX 3220, SHAWNEE, KS, 66203
- Operation
- Interstate
Contact
- Phone
- (816) 901-9275
- Cell
- (913) 208-9477
- Fax
- (913) 631-5301
- Web domain
- deffenbaughinc.com
Registration
- Officers
- Jim Donahue · Jim Murray
- USDOT / docket
- 567728
- First registered
- Jun 29, 1994
- Last MCS-150
- May 20, 2011 · 21,490 mi (2009)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.