MARKWEST ENERGY OPERATING COMPANY LLC

DBA: MPLX G&P

ActiveNot RatedINTERSTATE

MARKWEST ENERGY OPERATING COMPANY LLC (USDOT 4151788) is a DENVER, Colorado-based motor carrier with 3+ years of FMCSA-registered operations. The company operates 122 power units and employs 135 drivers. The carrier has only 0% of required liability insurance on file — a coverage gap of $750K. Our composite safety score rates this carrier at 45/100, indicating a mixed safety profile that warrants closer review.

122

Power Units

135

Drivers

4151788

USDOT #

45/100

Safety Score

⚠️

Insurance Coverage Gap

This carrier has $0 in liability insurance on file but $750K is required — a shortfall of $750K (0% of required coverage).

Company Details

Legal Name: MARKWEST ENERGY OPERATING COMPANY LLC
USDOT Number: 4151788
Entity Type: CARRIER
Address: 1515 ARAPAHOE ST STE 1-600
DENVER, CO 80202-2137
Phone: (419) 422-2121
Carrier Operation: Interstate
Last MCS-150 Update: December 28, 2023

BASICs Safety Scores

Unsafe Driving0%

Crash IndicatorN/A

HOS Compliance0%

Vehicle Maintenance1.56%

Controlled Substances0%

Hazmat ComplianceN/A

Driver Fitness0%

Higher percentile = worse safety performance. Scores above 75% may trigger FMCSA intervention.

Location

1515 ARAPAHOE ST STE 1-600, DENVER, CO 80202-2137

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Frequently Asked Questions

What is MARKWEST ENERGY OPERATING COMPANY LLC's USDOT number?

MARKWEST ENERGY OPERATING COMPANY LLC's USDOT number is 4151788. The company is based in DENVER, Colorado.

Is MARKWEST ENERGY OPERATING COMPANY LLC a safe trucking company?

MARKWEST ENERGY OPERATING COMPANY LLC has not received a formal safety rating from FMCSA.

How many trucks does MARKWEST ENERGY OPERATING COMPANY LLC have?

MARKWEST ENERGY OPERATING COMPANY LLC operates 122 power units (trucks/commercial vehicles) and employs 135 drivers, according to their latest FMCSA filing.

Source: FMCSA Safety and Fitness Electronic Records (SAFER) System