Guenther & Sons Inc is an active interstate carrier based in Ross, OH.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 17 | 0 | 0 |
| Trailers | 21 | 0 | 0 |
| Total Power Units | 20 | ||
Distinct vehicles · 24 mo
vs 20 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 58% | 85% | Around peer average |
| HOS Compliance | 99% | 98% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 92% | 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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 2 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 | 0 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 6, 2025 | KY | TRUCK TRACTOR | 7 | 4 |
| Jul 21, 2025 | NE | TRUCK TRACTOR | 0 | 0 |
| Jun 25, 2025 | OH | TRUCK TRACTOR | 0 | 0 |
| Apr 25, 2025 | IN | TRUCK TRACTOR | 1 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.51 | — |
| HOS Compliance | 2 | 3.71 | — |
| Vehicle Maintenance | 3 | 8.77 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 5 states. Top state KY accounts for 33% of activity. Activity outside home state (OH): 78%.
| Hours-of-Service Compliance |
| 4 |
| 0 |
| 1 |
| Unsafe Driving | 1 | 0 | 0 |
| Feb 17, 2025 |
| PA |
| TRUCK TRACTOR |
| 3 |
| 0 |
| Oct 14, 2024 | KY | TRUCK TRACTOR | 2 | 0 |
| Aug 16, 2024 | KY | TRUCK TRACTOR | 0 | 0 |
| Aug 9, 2024 | OH | TRUCK TRACTOR | 0 | 0 |
| Jun 6, 2024 | IN | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 6, 2025 | 39343ATPV | Air Brake - Inoperable or missing tractor protection valve | Vehicle Maintenance | Yes |
| Nov 6, 2025 | 39343ATSV | Air Brake - Inoperable or missing trailer supply valve | Vehicle Maintenance | Yes |
| Nov 6, 2025 | 39345DBHDB | Air Brake - Damaged by heat or broken | Vehicle Maintenance | Yes |
| Nov 6, 2025 | 39534A1ELDDFN | HOS (ELD) - Driver failed to note the malfunction of the ELD and provide written notice of the malfunction to the motor carrier within 24 hours | Hours-of-Service Compliance | — |
| Nov 6, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Nov 6, 2025 | 3958K2HOSRC | HOS (Manner) - Driver failed to retain a copy of each record of duty status for the previous 7 consecutive days which shall be in his/her possession and available | Hours-of-Service Compliance | — |
| Nov 6, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Apr 25, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Feb 17, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Feb 17, 2025 | 39381H | Horn - Inoperative or defective | Vehicle Maintenance | — |