Dennis Supply Company Inc is an active interstate carrier based in Sioux City, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 99% | 98% | Worse than most peers |
| Controlled Substances | 100% | 100% | Worse than most peers |
| Vehicle Maintenance | 92% | 84% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 27, 2025 | NE | STRAIGHT TRUCK | 3 | 3 |
| Jul 31, 2025 | SD | STRAIGHT TRUCK | 0 | 0 |
| Jul 7, 2025 | IA | STRAIGHT TRUCK | 3 | 0 |
| Jun 20, 2025 | NE | STRAIGHT TRUCK | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 2.00 | — |
| Driver Fitness | 1 | 3.00 | — |
| Controlled Substances | 1 | 2.30 | — |
Inspected in 3 states. Top state NE accounts for 57% of activity. Activity outside home state (IA): 86%.
| Driver Fitness | 2 | 1 | 2 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| Jun 12, 2025 |
| NE |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Sep 9, 2024 | SD | STRAIGHT TRUCK | 0 | 0 |
| Sep 4, 2024 | NE | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 27, 2025 | 39111B5LNCDLNVL | License - Operate a CMV without a valid operators license issued by one State or jurisdiction | Driver Fitness | Yes |
| Oct 27, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Oct 27, 2025 | 3924ADOSP | Drugs/Other Substances - Operate a CMV while in possession. | Controlled Substances/​Alcohol | Yes |
| Jul 7, 2025 | 3928 | Failing to inspect/use emergency equipment | Vehicle Maintenance | — |
| Jul 7, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jul 7, 2025 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Sep 4, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |