PIONEER MATERIALS WEST INC
dba PIONEER MATERIALS WEST SLOPE
CENTENNIAL, CO
07/20/1989
48
Power Units
60
Drivers
Current
as of today
Active · 48 power units · 60 drivers · Centennial, CO
2026
~Mar 2026
Officer change
RYAN STENSLAND → RYAN STENSLAND, ANDREW VYE
Mar 9, 2026
MCS-150 biennial update filed
Reported mileage: 810,000 (2025)
Reported power units: 44 → 48
Reported drivers: 60
Reported trailers: 37 → 31
2024
May 30, 2024
MCS-150 biennial update filed
Reported mileage: 530,253 (2023)
Reported power units: 38 → 44
Reported drivers: 55 → 60
Reported trailers: 37
2023
Jan 23, 2023
MCS-150 biennial update filed
Reported mileage: 532,742 (2021)
Reported power units: 38
Reported drivers: 37 → 55
2020
Feb 20, 2020
MCS-150 biennial update filed
Reported mileage: 601,841 (2019)
Reported power units: 38
Reported drivers: 37
1990
Mar 28, 1990
Safety rating: Unsatisfactory
1989
Jul 20, 1989
DOT registered
Company registered with the FMCSA.