O'BRIEN ROCK COMPANY INC
AUTHORIZEDUSDOT
527966
MC Number
N/A
Fleet Size
72
Total Drivers
58
Last updated: March 16, 2026
Broker verification report
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Safety overview
O'BRIEN ROCK COMPANY INC is a mid-size interstate motor carrier based in SAINT PAUL, Kansas, operating 72 power units with 58 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 0.0% comes in under the 5.51% national average. They have 3 crashes on file (1 with injuries). FMCSA records show 14 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Kansas is 10.2% and the average vehicle OOS rate is 25.1% across 18,175 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
14
Total
70%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
3
Total Crashes
Similar carriers in Kansas
Other carriers in the same state with a similar fleet size.
MIES CONSTRUCTION INC
DUGAN TRUCK LINE LLC
MAMMOTH SPORTS CONSTRUCTION LLC
YMM INTERSTATE LLC
CROSSLAND HEAVY CONTRACTORS INC
Frequently asked questions
Is O'BRIEN ROCK COMPANY INC authorized to operate?
Yes. O'BRIEN ROCK COMPANY INC (USDOT #527966) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is O'BRIEN ROCK COMPANY INC's safety record?
O'BRIEN ROCK COMPANY INC has 14 inspections on file and 3 crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does O'BRIEN ROCK COMPANY INC operate?
O'BRIEN ROCK COMPANY INC operates 72 power units with 58 drivers on file. That puts them in the mid-size range.
Does O'BRIEN ROCK COMPANY INC transport hazardous materials?
No. O'BRIEN ROCK COMPANY INC does not have a hazardous materials flag in the FMCSA database.
Where is O'BRIEN ROCK COMPANY INC located?
O'BRIEN ROCK COMPANY INC is based in SAINT PAUL, Kansas at 712 CENTRAL ST, 66771. Phone: (620) 449-2257.
What are O'BRIEN ROCK COMPANY INC's out-of-service rates?
O'BRIEN ROCK COMPANY INC's driver out-of-service rate is 0.0%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 33.3% (national average: 20.72%). Above average, which may point to vehicle maintenance gaps.