United Dairymen Of Arizona is an active interstate carrier based in Tempe, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Tractors | 3 | 5 | 0 |
| Trailers | 112 | 21 | 0 |
| Total Power Units | 13 | ||
Distinct vehicles · 24 mo
vs 13 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 | 90% | 93% | Worse than most peers |
| Driver Fitness | 91% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 66% | 81% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 10 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 17, 2026 | AZ | TRUCK TRACTOR | 2 | 1 |
| Feb 13, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Dec 26, 2025 | TX | STRAIGHT TRUCK | 3 | 1 |
| Oct 30, 2025 | AZ | TRUCK TRACTOR | 1 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.51 | — |
| Vehicle Maintenance | 4 | 2.37 | — |
| Driver Fitness | 1 | 1.03 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state AZ accounts for 76% of activity. Activity outside home state (AZ): 24%.
| 2 |
| Hazardous Materials Compliance | 8 | 4 | 4 |
| Driver Fitness | 1 | 1 | 1 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Oct 2, 2025 | TX | STRAIGHT TRUCK | 1 | 1 |
| Jun 17, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Jun 11, 2025 | AZ | TRUCK TRACTOR | 0 | 0 |
| Mar 20, 2025 | AZ | TRUCK TRACTOR | 0 | 0 |
| Feb 11, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Dec 31, 2024 | AZ | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 17, 2026 | 177848DHMC | HM (Cargo) - Operate a motor vehicle transporting incompatible commodities. (Other than Class 1). | Hazardous Materials Compliance | Yes |
| Feb 17, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Dec 26, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Dec 26, 2025 | 3939H | Inoperable head lamps | Vehicle Maintenance | — |
| Dec 26, 2025 | 3958F01 | Drivers record of duty status not current | Hours-of-Service Compliance | — |
| Oct 30, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Oct 2, 2025 | 177817A | No or improper shipping papers (carrier) | Hazardous Materials Compliance | Yes |
| Jun 17, 2025 | 172200AHMSPS | HM (Shipping Papers) - Shipper failed to offer properly prepared shipping document(s) | Hazardous Materials Compliance | — |
| Feb 11, 2025 | 172602CHMER | HM (Emergency Response) - Improper maintenance/accessibility of emergency response information | Hazardous Materials Compliance | — |
| Dec 31, 2024 | 177817AHMRSPMC | HM (Shipping Papers) - Motor carrier permit/require a driver to operate a motor vehicle without a required shipping paper | Hazardous Materials Compliance | — |