dotsearch.usTRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC
USDOT 180139 · WESTMINSTER, CO Not Authorized
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC is a carrier / shipper registered with the FMCSA under USDOT number 180139, based in WESTMINSTER, CO. It operates in interstate commerce. It does not currently hold active for-hire operating authority on record. Its fleet includes 295 power units and 180 drivers. Its most recent FMCSA safety rating is Satisfactory. This record was last updated 2026-09-06 from official FMCSA data.
Vetting snapshot
- Operating authority
- Not Authorized
- USDOT registration
- Active
- MCS-150 biennial update
- Current - filed 2025-08-27
- Safety rating
- Satisfactory
- Registered with FMCSA
- 52 years
- Fleet
- 295 power units
Safety record (FMCSA, last 24 months)
- Inspections (24 months)
- 18
- Vehicle out-of-service rate
- 5.6% (FMCSA national average roughly 21%)
- Driver out-of-service rate
- 0.0% (FMCSA national average roughly 5%)
- Crashes (24 months)
- 0
- Last inspection
- 2024-10-31
Safety data as of 2026-06-24.
FMCSA record
- USDOT Number
- 180139
- Legal Name
- TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC
- Entity Type
- Carrier / Shipper
- USDOT Status
- Active
- Operating Authority
- Not Authorized
- Operation
- Interstate
- Business Type
- CORPORATION
- Operation Classification
- PRIVATE PROPERTY
- Physical Address
- 1100 W 116TH AVE, WESTMINSTER, CO, 80234
- Mailing Address
- PO BOX 33695, DENVER, CO
- Phone
- (303) 254-3153
- Fax
- (303) 254-6013
- Power Units
- 295
- Trucks
- 295
- Total Drivers
- 180
- CDL Drivers
- 165
- Trailers
- 298
- Hazmat
- Yes
- Cargo Carried
- General Freight, Motor Vehicles, Building Materials, Construction Materials, Logs, Poles, Beams, Lumber, Large Machinery, Utility, Liquids/Gases, Oilfield Equipment
- Safety Rating
- Satisfactory
- Safety Rating Date
- 1988-05-24
- Company Officer
- TERRI MARRANZINO-RAY
- MCS-150 Date
- 2025-08-27
- Registered
- 1974-06-01
- Last Updated
- 2026-09-06
Frequently asked questions
What is TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC's USDOT number?
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC's USDOT number is 180139.
Is TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC authorized to operate for hire?
No. TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC does not currently hold active for-hire operating authority on its FMCSA record. It may still operate privately or intrastate.
Is TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC's USDOT registration active?
Its USDOT registration status is Active in the latest FMCSA data. Registration status reflects FMCSA filings (such as the biennial MCS-150 update), not whether the company is currently doing business.
Where is TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC based?
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC is based in 1100 W 116TH AVE, WESTMINSTER, CO, 80234, according to its FMCSA registration.
How large is TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC's fleet?
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC reported 295 power units and 180 drivers on its most recent FMCSA MCS-150 filing.
What is TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC's FMCSA safety rating?
TRI-STATE GENERATION & TRANSMISSION ASSOCIATION INC's FMCSA safety rating is Satisfactory, issued 1988-05-24.
Other carriers in CO
- DUFFY CRANE INC · USDOT 594
- DURANGO COCA-COLA BOTTLING CO · USDOT 595
- J C DYER & S DYER · USDOT 598
- EATON SALES & SERVICE LLC · USDOT 603
- EDSON EXPRESS INC · USDOT 604
- ELBERT TRANSFER COMPANY · USDOT 607
Source: official FMCSA / SAFER public records. Verify critical details on this carrier's official FMCSA SAFER snapshot.