MARKWEST ENERGY OPERATING COMPANY LLC
dba MPLX G&P
DENVER, CO
11/01/2023
122
Power Units
135
Drivers
Current
as of today
Active · 122 power units · 135 drivers · Denver, CO
2024
~Dec 2024
Fleet reduced 144 → 122 power units
~Dec 2024
Driver count changed 144 → 135
2023
Dec 28, 2023
MCS-150 biennial update filed
Reported mileage: 100 (2023)
Reported power units: 144
Reported drivers: 144
Reported trailers: 23
Nov 1, 2023
DOT registered
Company registered with the FMCSA.