MARKWEST ENERGY OPERATING COMPANY LLC

dba MPLX G&P

Denver, CO 80202-2137 · DOT 4151788

Company profile

Web-discovered · as of 2026-07-30

Private fleet operating as part of MPLX G&P (subsidiary of MPLX LP) focused on energy infrastructure, natural gas, and liquid processing, transporting company materials and products in the Colorado region.

Fleet use

Private fleet

Operating scope

Regional

Service model

own account

Equipment

tanker, specialized

Ownership

Subsidiary

part of MPLX LP

Employees

10000+

HQ · 200 E Hardin St, Findlay, OH 45840

OPERATING CONFIRMED HIRING

Active DOT record and recent job postings for drivers, reflecting status as a subsidiary of a major energy company (MPLX).

Registry record

Source FMCSA · as of 2026-08-01

Fleet size

122

power units

Activity

road freight carrier

private licence

In operation since

2023

135 drivers

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