COWBOY STATE TRUCKING INC
dba CST
KEMMERER, WY
02/20/2018
8 years, 3 months
67
Power Units
38
Drivers
Current
as of today
Active · 67 power units · 38 drivers · Kemmerer, WY
2026
Sep 28, 2026
MCS-150 biennial update filed
Reported mileage: 2,079,539 (2025)
Reported power units: 35 → 67
Reported drivers: 38
Reported trailers: 100 → 101
Apr 14, 2026
MCS-150 biennial update filed
Reported mileage: 2,079,539 (2025)
Reported power units: 35
Reported drivers: 38
Reported trailers: 100
2024
Apr 16, 2024
MCS-150 biennial update filed
Reported mileage: 2,174,147 (2023)
Reported power units: 35
Reported drivers: 38
Reported trailers: 100
2022
Aug 1, 2022
MCS-150 biennial update filed
Reported mileage: 2,788,344 (2021)
Reported power units: 39 → 35
Reported drivers: 43 → 38
2021
~Dec 2021
Email changed
roger.king@cowboystatetrucking.com → deon.bunker@cstwy.com
Sep 29, 2021
MCS-150 biennial update filed
Reported mileage: 3,310,000 (2020)
Reported power units: 43 → 39
Reported drivers: 43
Jun 8, 2021
Insurance cancelled with Great West Casualty Co.
Form 91X, $1,000,000 coverage
May 3, 2021
Insurance cancelled with Great West Casualty Co.
Form 91X, $1,000,000 coverage
Feb 24, 2021
MCS-150 biennial update filed
Reported mileage: 3,310,000 (2020)
Reported power units: 43
Reported drivers: 43
2018
Jul 1, 2018
Insurance filed with Great West Casualty Co. (2 policies)
Form 91X, $1,000,000 coverage
Feb 20, 2018
DOT registered
Company registered with the FMCSA.