Denver Rock Company Llc is an active intrastate non-hazmat carrier based in Windsor, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 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 | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 92% | 96% | 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 | 81% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 2 | 1 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | CO | STRAIGHT TRUCK | 1 | 1 |
| Mar 4, 2026 | CO | STRAIGHT TRUCK | 1 | 0 |
| Jan 12, 2026 | CO | STRAIGHT TRUCK | 0 | 0 |
| Nov 6, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 1.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CO accounts for 100% of activity. Activity outside home state (CO): 0%.
| Jul 22, 2025 |
| CO |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Mar 6, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Feb 4, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Jan 13, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Oct 30, 2024 | CO | STRAIGHT TRUCK | 1 | 0 |
| Aug 16, 2024 | CO | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Mar 4, 2026 | 3929ADFSL | Driver - Failing to properly secure load | Vehicle Maintenance | — |
| Oct 30, 2024 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |