Jen & John Oil Field Services Inc is an active interstate carrier based in Hookstown, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 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 | 90% | 93% | Worse 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 | 84% | 91% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 2, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Aug 27, 2025 | PA | TRUCK TRACTOR | 1 | 0 |
| May 9, 2025 | PA | TRUCK TRACTOR | 2 | 0 |
| Apr 23, 2025 | PA | TRUCK TRACTOR | 1 | 2 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 2.99 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 6 | 6.55 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state PA accounts for 60% of activity. Activity outside home state (PA): 40%.
| 2 |
| Unsafe Driving | 2 | 2 | 0 |
| Apr 5, 2025 |
| WV |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 17, 2025 | OH | TRUCK TRACTOR | 1 | 0 |
| Jan 7, 2025 | PA | TRUCK TRACTOR | 0 | 0 |
| Nov 19, 2024 | PA | STRAIGHT TRUCK | 1 | 2 |
| Aug 14, 2024 | PA | STRAIGHT TRUCK | 1 | 0 |
| May 24, 2024 | OH | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 27, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| May 9, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| May 9, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Apr 23, 2025 | 39375CTAOTDLT132 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | Vehicle Maintenance | Yes |
| Mar 17, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Nov 19, 2024 | 393100B | Leaking/spilling/blowing/falling cargo | Vehicle Maintenance | Yes |
| Aug 14, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| May 24, 2024 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| May 24, 2024 | 3939T | Inoperable tail lamp | Vehicle Maintenance | — |