Olka Incorporated is an active interstate carrier based in Grafton, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 10 | 0 | 0 |
| Trailers | 10 | 0 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 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 | 62% | 91% | Around peer average |
| HOS Compliance | 94% | 98% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 69% | 90% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 2 | 2 | 2 |
| Hours-of-Service Compliance | 1 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | AR | STRAIGHT TRUCK | 0 | 0 |
| Mar 6, 2026 | WI | STRAIGHT TRUCK | 1 | 1 |
| Jan 28, 2026 | SC | TRUCK TRACTOR | 0 | 0 |
| Jan 5, 2026 | KY | TRUCK TRACTOR | 0 | 0 |
| Oct 14, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.32 | — |
| HOS Compliance | 1 | 0.39 | — |
| Vehicle Maintenance | 2 | 4.44 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 10 states. Top state SC accounts for 18% of activity. Activity outside home state (WI): 100%.
+5 other states with fewer inspections
| 1 |
| Unsafe Driving | 1 | 0 | 0 |
| MI |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Sep 18, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Jun 23, 2025 | IL | TRUCK TRACTOR | 0 | 0 |
| Sep 27, 2024 | FL | TRUCK TRACTOR | 0 | 0 |
| Sep 17, 2024 | SC | TRUCK TRACTOR | 1 | 0 |
| Aug 6, 2024 | TN | TRUCK TRACTOR | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 6, 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 |
| Sep 17, 2024 | 3922LV | Lane Restriction violation | Unsafe Driving | — |
| Aug 6, 2024 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | Yes |
| Jul 5, 2024 | 39375A | Flat tire or fabric exposed | Vehicle Maintenance | Yes |