Zephyr Aluminum Products Inc is an active interstate carrier based in Dubuque, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Trailers | 28 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 94% | 94% | Worse than most peers |
| HOS Compliance | 99% | 99% | Worse than most peers |
| Driver Fitness | 96% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 79% | 89% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 2 states. Top state WI accounts for 75% of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 30, 2026 | WI | STRAIGHT TRUCK | 4 | 1 |
| Aug 28, 2025 | WI | STRAIGHT TRUCK | 3 | 1 |
| Aug 2, 2024 | IA | STRAIGHT TRUCK | 4 | 1 |
| May 15, 2024 | WI | STRAIGHT TRUCK |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 6.00 | — |
| HOS Compliance | 1 | 3.00 | — |
| Vehicle Maintenance | 4 | 5.71 | — |
| Driver Fitness | 3 | 2.28 | — |
| Controlled Substances | 0 | 0.00 | — |
| 1 |
| Driver Fitness | 3 | 0 | 2 |
| Unsafe Driving | 2 | 0 | 0 |
| Hours-of-Service Compliance | 1 | 1 | 0 |
| 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 30, 2026 | 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 |
| Jan 30, 2026 | 3922HOS | HOS (Local Law) - State/local hour of service violation. | Hours-of-Service Compliance | — |
| Jan 30, 2026 | 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 | — |
| Jan 30, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Aug 28, 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 |
| Aug 28, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Aug 28, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Aug 2, 2024 | 39325F | Stop lamp violations | Vehicle Maintenance | — |
| Aug 2, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Aug 2, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |