COREY OIL LTD
AUTHORIZEDDBA: COREY OIL
USDOT
603882
MC Number
920984
Fleet Size
39
Total Drivers
18
Last updated: March 16, 2026
Safety overview
COREY OIL LTD is a mid-size interstate motor carrier based in OCONOMOWOC, Wisconsin, operating 39 power units with 18 drivers. Their safety profile raises flags: 4 of 5 BASIC categories exceed the 75th percentile, which is where FMCSA considers stepping in. Their driver out-of-service rate of 0.0% comes in under the 5.51% national average. They have 2 crashes on file (2 with injuries). FMCSA records show 13 inspections for this carrier.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
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 Wisconsin is 8.1% and the average vehicle OOS rate is 27.4% across 62,850 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- Yes
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
13
Total
54%
Driver %
Crash history
2
Total Crashes
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Frequently asked questions
Is COREY OIL LTD authorized to operate?
Yes. COREY OIL LTD (USDOT #603882) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is COREY OIL LTD's safety record?
COREY OIL LTD has 4 BASIC scores above the 75th percentile, which is where FMCSA may look into a carrier. Brokers should weigh these scores alongside the inspection history and crash data before making a decision.
How many trucks does COREY OIL LTD operate?
COREY OIL LTD operates 39 power units with 18 drivers on file. That puts them in the mid-size range.
Does COREY OIL LTD transport hazardous materials?
Yes. COREY OIL LTD is flagged for hazardous materials transportation with FMCSA. That means additional safety requirements and more frequent inspections.
Where is COREY OIL LTD located?
COREY OIL LTD is based in OCONOMOWOC, Wisconsin at 1212 W SECOND ST, 53066. Phone: (262) 966-0868.
What are COREY OIL LTD's out-of-service rates?
COREY OIL LTD'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 9.1% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.