DBA: Corey Oil
Corey Oil Ltd is an active interstate carrier based in Oconomowoc, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 24 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 39 | ||
Distinct vehicles · 24 mo
vs 39 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 59% | 92% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 54% | 89% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 7 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 4 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 11 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| May 20, 2026 | WI | STRAIGHT TRUCK | 0 | 0 |
| Apr 28, 2026 | WI | STRAIGHT TRUCK | 3 | 1 |
| Apr 7, 2026 | WI | STRAIGHT TRUCK | 1 | 0 |
| Feb 25, 2026 | WI | STRAIGHT TRUCK | 1 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 1.34 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 6 | 4.28 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state WI accounts for 94% of activity. Activity outside home state (WI): 6%.
| 3 |
| Unsafe Driving | 6 | 0 | 0 |
| Hazardous Materials Compliance | 1 | 0 | 0 |
| Feb 16, 2026 | WI | STRAIGHT TRUCK | 0 | 0 |
| Jan 13, 2026 | WI | STRAIGHT TRUCK | 1 | 0 |
| Oct 23, 2025 | WI | STRAIGHT TRUCK | 2 | 0 |
| Sep 3, 2025 | WI | STRAIGHT TRUCK | 2 | 0 |
| Sep 3, 2025 | WI | STRAIGHT TRUCK | 1 | 0 |
| Aug 4, 2025 | WI | TRUCK TRACTOR | 3 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Apr 28, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Apr 28, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Apr 28, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Apr 7, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Feb 25, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 172200AHMSPS | HM (Shipping Papers) - Shipper failed to offer properly prepared shipping document(s) | Hazardous Materials Compliance | — |
| Oct 23, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Oct 23, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Sep 3, 2025 | 3939BLSLO | Lighting - Stop lamps - Any obscured | Vehicle Maintenance | — |
| Sep 3, 2025 | 3939BLTSONR | Lighting - Turn signal - Any obscured not on the rearmost vehicle. | Vehicle Maintenance | — |