Jn Grease Service Inc is an active intrastate non-hazmat carrier based in Menifee, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 27 | 0 | 0 |
| Trailers | 3 | 0 | 0 |
| Total Power Units | 27 | ||
Distinct vehicles · 24 mo
vs 27 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 67% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 96% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 92% | 93% | Worse than most peers |
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 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 20 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 17, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 26, 2025 | CA | STRAIGHT TRUCK | 7 | 1 |
| Dec 6, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 11, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.37 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 6.61 | — |
| Driver Fitness | 1 | 1.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| 6 |
| Unsafe Driving | 2 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Sep 26, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Sep 25, 2025 | CA | TRUCK TRACTOR | 3 | 1 |
| Jun 3, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Feb 18, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Jan 23, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 26, 2025 | 38323A2LCDL | Endorsements - (CDL) - Operate a CMV without proper endorsements on operators license | Driver Fitness | Yes |
| Dec 26, 2025 | 39311A1LCHL | Lighting - Lamps improper color height location. | Vehicle Maintenance | — |
| Dec 26, 2025 | 39355C2B | Air Brake - CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system. System does not function or indicates | Vehicle Maintenance | — |
| Dec 26, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Dec 26, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Dec 26, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Dec 26, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Sep 25, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Sep 25, 2025 | 39375A1TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | Vehicle Maintenance | — |
| Sep 25, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |