Carrier profile · USDOT 527966 · Updated Jun 13, 2026
O'brien Rock Company Inc
72 power unitsavg 11.9 yrRegional · 4 statesSAINT PAUL, KS74/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
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
- 712 CENTRAL ST, SAINT PAUL, KS, 66771
- Mailing address
- PO BOX 217, SAINT PAUL, KS, 66771-0217
- Operation
- Interstate
Contact
- Phone
- (620) 449-2257
- Fax
- (620) 449-2340
- Web domain
- obrienreadymix.com
Registration
- Officers
- Dwayne O'Brien · Kyle O'Brien
- USDOT / docket
- 527966
- First registered
- Jun 22, 1993
- Last MCS-150
- Mar 16, 2026 · 1,089,317 mi (2025)
- FMCSA safety rating
- Satisfactory · May 26, 2006
- D-U-N-S
- 3848603
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.