MARKWEST ENERGY OPERATING COMPANY LLC
DBA: MPLX G&P
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Power Units
122
Drivers
135
Trailers
3
Annual Miles
In full report
Entity Type
N/A
MCS-150 Date
Dec 28, 2023
Risk Signals — MARKWEST ENERGY OPERATING COMPANY LLC
Full risk analysis — historical patterns, fraud connections, financial signals — runs when you…
Authority for sale
No active listings detected…
Equipment for sale
No fleet VINs found on marketplaces…
Financial risk
Analyzed in the full report…
Fraud signals
Connection analysis in the full report…
Historical patterns
Pattern analysis runs when you unlock the report…
Recent activity
No adverse news in 90 days…
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Counterparty Reports
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About MARKWEST ENERGY OPERATING COMPANY LLC
Marathon Petroleum Corporation (MPC) is a leading energy company providing comprehensive energy solutions. Operating primarily in the United States, MPC's core business segments include refining, midstream operations, and retail. The company manages extensive refining and marketing assets, with approximately 3 million barrels per day crude oil refining capacity across 13 refineries in 12 states. MPC also operates a successful midstream segment, primarily through its master limited partnership, MPLX, which includes significant terminal storage and natural gas processing capacity. Additionally, MPC has a strong retail presence with the Marathon and ARCO brands, comprising roughly 7,740 branded locations and 1,160 direct dealer locations. The company places a strong emphasis on sustainability and energy efficiency, evidenced by multiple ENERGY STAR® Partner of the Year – Sustained Excellence Awards. It is also investing in renewable fuels to meet global energy needs while reducing carbon emissions.
Key Features
Service RegionsActive in 3 states
Full state-by-state operating volumes, inspection locations, and lane coverage analysis.
CSA Safety Scores5 BASICs
5 BASICs measured
Percentile rankings pending FMCSA publication — raw measures + violations available in the report.
Full BASIC percentiles, measure scores, BASIC + roadside alerts, and Acute Carrier flags from the latest FMCSA SMS snapshot.
Operating Authority
Common Authority
N/A
Contract Authority
N/A
Broker Authority
N/A
Insurance & Coverage
BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names.
Contact Information
Physical Address
1515 ARAPAHOE ST STE 1-600
DENVER, CO 80202-2137
Cargo & Operations
Cargo Carried
Violations by Category2 total
Most common category
Vehicle Maintenance · 100% of violations
across 1 categories
Full violation breakdown by category, out-of-service rates, and historical trends over time.
Fleet Analytics1 trucks
Top manufacturers
Sample units
Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster.
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