DBA: Underground Specialists
Underground Specialist Llc is an active interstate carrier based in Arvada, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 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 | 0% | 0% | Better 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 | 90% | 94% | 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 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 2 states. Top state CO accounts for 50% of activity. Activity outside home state (CO): 50%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 | 0 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 15, 2025 | WY | STRAIGHT TRUCK | 3 | 1 |
| May 22, 2025 | CO | TRUCK TRACTOR | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 6.50 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Dec 15, 2025 |
| 39360D |
| Windshield / Windows - Tinting permits less than 70% of light transmittance |
| Vehicle Maintenance |
| — |
| Dec 15, 2025 | 39370DCDTSDD | Coupling - Trailer safety devices wire/chain damaged. | Vehicle Maintenance | Yes |
| Dec 15, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| May 22, 2025 | 39341BNPB | Brake - Inoperative or missing parking brake on power unit | Vehicle Maintenance | Yes |
| May 22, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| May 22, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |