N F String & Son Inc is an active interstate carrier based in Harrisburg, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 20 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 24 | ||
Distinct vehicles · 24 mo
vs 24 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 | 88% | 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 | 51% | 83% | 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 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 18 | 0 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 11, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Mar 9, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Feb 27, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Feb 20, 2026 | NJ | STRAIGHT TRUCK | 4 | 0 |
| Feb 18, 2026 |
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| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 2.56 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 2.10 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state MD accounts for 64% of activity. Activity outside home state (PA): 100%.
| Unsafe Driving |
| 5 |
| 4 |
| 0 |
| NJ |
| STRAIGHT TRUCK |
| 3 |
| 0 |
| Jan 13, 2026 | MD | STRAIGHT TRUCK | 2 | 1 |
| Dec 12, 2025 | NJ | STRAIGHT TRUCK | 0 | 0 |
| Dec 8, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Nov 3, 2025 | NJ | STRAIGHT TRUCK | 0 | 0 |
| Sep 22, 2025 | NJ | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 20, 2026 | 39330B | Battery - Not protected | Vehicle Maintenance | — |
| Feb 20, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 20, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 20, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 18, 2026 | 39330B | Battery - Not protected | Vehicle Maintenance | — |
| Feb 18, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Feb 18, 2026 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Jan 13, 2026 | 39341BNPB | Brake - Inoperative or missing parking brake on power unit | Vehicle Maintenance | Yes |
| Jan 13, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Sep 22, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |