TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC
USDOT 180139
Active, interstate carrier, large fleet (295 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate5.6% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 180139 |
|---|---|
| MC Number | — |
| Legal Name | TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 3032543153 |
| Address | 1100 W 116TH AVE, Westminster, CO, 80234 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 19880524) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 66 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 18 |
|---|---|
| Out-of-Service Rate | 5.6% vs 19.1% national average |
Most frequent violation categories: 12 (3), 28 (2), 16 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 295 |
|---|---|
| Drivers | 180 |
| Recent Annual Mileage | 3,860,000 |
| Last MCS-150 Filing | 27-AUG-25 |
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC operates 295 power units — a larger fleet than 100% of carriers registered in CO.
Nearby
Other carriers in Westminster, CO
- ALPINE LUMBER COMPANY — USDOT 322477, 141 power units
- COLD FRONT DISTRIBUTION LLC — USDOT 331112, 126 power units
- LAFARGE WEST INC — USDOT 370354, 30 power units
- MOBIL TOOL INTERNATIONAL — USDOT 386409, 24 power units
- GARDNER TURFGRASS INC — USDOT 438307, 7 power units
Browse all carriers in Westminster, CO or all CO carriers.