Rock Werks Llc is an active intrastate non-hazmat carrier based in Casa Grande, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 5 | 0 | 0 |
| Trailers | 6 | 0 | 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 | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 89% | 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 | 59% | 80% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 5 | 0 | 0 |
| Unsafe Driving | 1 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 28, 2026 | AZ | STRAIGHT TRUCK | 3 | 0 |
| Aug 8, 2025 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Jun 2, 2025 | AZ | STRAIGHT TRUCK | 1 | 0 |
| Dec 18, 2024 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Sep 24, 2024 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 2.30 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 1.20 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 1 state. Top state AZ accounts for 100% of activity. Activity outside home state (AZ): 0%.
| AZ |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Sep 12, 2024 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Jul 17, 2024 | AZ | STRAIGHT TRUCK | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 28, 2026 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Jan 28, 2026 | 3922SLLSWZ | State/Local Laws - Speeding work/construction zone | Unsafe Driving | — |
| Jan 28, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Jun 2, 2025 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Jul 17, 2024 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Jul 17, 2024 | 39330B | Battery - Not protected | Vehicle Maintenance | — |