US · FMCSA ACTIVE
MARKWEST ENERGY OPERATING COMPANY LLC
dba MPLX G&P
Denver, CO 80202-2137 · DOT 4151788
Registry record
Source FMCSA · as of 2026-07-08
Fleet size
122
power units
Activity
road freight carrier
private licence
In operation since
2023
135 drivers
Data Services
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