DBA: Tuff Shed Or Woodmaster Portable Buildings
Tuff Shed Inc is an active interstate carrier based in Denver, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 99 | 0 |
| Tractors | 14 | 3 | 0 |
| Trailers | 139 | 0 | 0 |
| Total Power Units | 118 | ||
Distinct vehicles · 24 mo
vs 118 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 80% | 95% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 78% | 96% | Worse than most peers |
| Controlled Substances | 99% | 100% | Worse than most peers |
| Vehicle Maintenance | 75% | 91% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 23 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 57 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | FL | STRAIGHT TRUCK | 2 | 1 |
| Mar 13, 2026 | KY | TRUCK TRACTOR | 0 | 0 |
| Mar 4, 2026 | TX | TRUCK TRACTOR | 3 | 0 |
| Feb 12, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.37 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 27 | 4.53 | — |
| Driver Fitness | 3 | 0.19 | — |
| Controlled Substances | 1 | 0.19 | — |
| 4.44% |
Where they run
Inspected in 27 states. Top state CA accounts for 20% of activity. Activity outside home state (CO): 95%.
+22 other states with fewer inspections
| 13 |
| 22 |
| Unsafe Driving | 4 | 0 | 0 |
| Driver Fitness | 3 | 1 | 2 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| Jan 9, 2026 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Dec 29, 2025 | CA | STRAIGHT TRUCK | 0 | 1 |
| Dec 19, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Dec 9, 2025 | ME | STRAIGHT TRUCK | 3 | 0 |
| Nov 7, 2025 | MO | STRAIGHT TRUCK | 0 | 2 |
| Oct 24, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 23, 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 |
| Mar 23, 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 | — |
| Mar 4, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 4, 2026 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Mar 4, 2026 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Feb 12, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Dec 19, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Dec 9, 2025 | 393104F3C | Cargo - Loose or unfastened tiedown | Vehicle Maintenance | — |
| Dec 9, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 9, 2025 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |