U-Know Service Llc is an active interstate carrier based in Casper, WY.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 11 | 0 | 0 |
| Trailers | 28 | 0 | 0 |
| Total Power Units | 15 | ||
Distinct vehicles · 24 mo
vs 15 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 | 0% | 0% | Better than most peers |
| 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 | 46% | 86% | 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 | 3 | — | 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 | 5 | 2 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 21, 2026 | WY | TRUCK TRACTOR | 2 | 1 |
| Feb 5, 2026 | WY | TRUCK TRACTOR | 0 | 0 |
| Feb 3, 2026 | WY | TRUCK TRACTOR | 0 | 0 |
| Jul 14, 2025 | CO | TRUCK TRACTOR | 0 | 0 |
| Jul 9, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 2.63 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state WY accounts for 55% of activity. Activity outside home state (WY): 45%.
| CO |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Nov 22, 2024 | WY | TRUCK TRACTOR | 1 | 2 |
| Nov 4, 2024 | CO | STRAIGHT TRUCK | 1 | 0 |
| Oct 10, 2024 | MS | STRAIGHT TRUCK | 0 | 0 |
| Sep 5, 2024 | CO | STRAIGHT TRUCK | 0 | 0 |
| Jul 17, 2024 | WY | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 21, 2026 | 393104F3C | Cargo - Loose or unfastened tiedown | Vehicle Maintenance | — |
| Feb 21, 2026 | 393110B3C | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 10 feet | Vehicle Maintenance | Yes |
| Jul 9, 2025 | 39311A1LBL | Lighting - Backup lamp missing | Vehicle Maintenance | — |
| Nov 22, 2024 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Nov 4, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |