Jm Mascaro Livestock Llc is an active interstate carrier based in Ten Sleep, WY.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 17 | 0 | 0 |
| Tractors | 14 | 3 | 0 |
| Trailers | 25 | 8 | 0 |
| Total Power Units | 17 | ||
Distinct vehicles · 24 mo
vs 17 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 100% | 99% | Worse than most peers |
| HOS Compliance | 93% | 96% | Worse than most peers |
| Driver Fitness | 81% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 52% | 88% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 14 | 3 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 4, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Jan 26, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Dec 11, 2025 | OH | TRUCK TRACTOR | 4 | 1 |
| Dec 11, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 12 | 5.88 | — |
| HOS Compliance | 3 | 0.47 | — |
| Vehicle Maintenance | 4 | 5.14 | — |
| Driver Fitness | 1 | 0.19 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 12 states. Top state WA accounts for 19% of activity. Activity outside home state (WY): 100%.
+7 other states with fewer inspections
| Vehicle Maintenance | 11 | 2 | 1 |
| Hours-of-Service Compliance | 3 | 1 | 1 |
| Driver Fitness | 1 | 0 | 1 |
| NM |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Nov 23, 2025 | IA | TRUCK TRACTOR | 4 | 0 |
| Nov 6, 2025 | WA | TRUCK TRACTOR | 0 | 0 |
| Sep 23, 2025 | MT | TRUCK TRACTOR | 0 | 0 |
| Aug 11, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Jul 18, 2025 | CA | TRUCK TRACTOR | 6 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 11, 2025 | 3922SLLILC | State/Local Laws - Improper lane change | Unsafe Driving | — |
| Dec 11, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Dec 11, 2025 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Dec 11, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Dec 11, 2025 | 3922C | Failure to obey traffic control device | Unsafe Driving | — |
| Nov 23, 2025 | 3922C | Failure to obey traffic control device | Unsafe Driving | — |
| Nov 23, 2025 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Nov 23, 2025 | 39311TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Nov 23, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Jul 18, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |