Warrens Service Inc is an active interstate carrier based in Schaller, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 6 | 0 | 0 |
| Total Power Units | 6 | ||
Distinct vehicles · 24 mo
vs 6 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 | 92% | 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 | 97% | 99% | 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 | — | 4.44% |
Where they run
Inspected in 1 state. Top state IA accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 35 | 9 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 10, 2025 | IA | STRAIGHT TRUCK | 5 | 1 |
| Oct 27, 2025 | IA | TRUCK TRACTOR | 7 | 2 |
| Aug 21, 2025 | IA | TRUCK TRACTOR | 8 | 0 |
| Aug 8, 2024 | IA | STRAIGHT TRUCK | 9 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 5.16 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 23.70 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving |
| 2 |
| 2 |
| 0 |
| 1 |
| May 21, 2024 | IA | TRUCK TRACTOR | 8 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 10, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Nov 10, 2025 | 39371H10 | No or Improper safety chains for towbar | Vehicle Maintenance | Yes |
| Nov 10, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Nov 10, 2025 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Nov 10, 2025 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Oct 27, 2025 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Oct 27, 2025 | 39345B2 | Brake hose or tubing chafing and/or kinking | Vehicle Maintenance | — |
| Oct 27, 2025 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Oct 27, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Oct 27, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | Yes |