--- title: "MARKWEST ENERGY OPERATING COMPANY LLC | DOT 4151788 | Carrier Profile" url: https://runalphaloops.com/carrier/co/4151788/markwest-energy-operating-company-llc description: "MARKWEST ENERGY OPERATING COMPANY LLC is a interstate carrier based in DENVER, CO. Fleet size: 122 power units, 135 drivers. DOT# 4151788." lang: en --- Active Interstate # MARKWEST ENERGY OPERATING COMPANY LLC DBA: MPLX G&P Risk score · full evidence · 72-hour access · No account required DOT # 4151788 Location DENVER, CO Phone 4194222121 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 Scanning active / 10 NOT RATED Full risk analysis — historical patterns, fraud connections, financial signals — runs when you… Authority for sale No active listings detected… CLEAR Equipment for sale No fleet VINs found on marketplaces… CLEAR Financial risk Analyzed in the full report… LOCKED Fraud signals Connection analysis in the full report… LOCKED Historical patterns Pattern analysis runs when you unlock the report… LOCKED Recent activity No adverse news in 90 days… CLEAR Unlock the full vetting report Get the exact risk score, full analysis, and the specific evidence + sources behind every signal. One-time · no account required ## Counterparty Reports Email-verified, moderated transaction reports from brokers, shippers, and carriers who worked with MARKWEST ENERGY OPERATING COMPANY LLC. No verified counterparty reports yet Worked a load with MARKWEST ENERGY OPERATING COMPANY LLC? Be the first to report how it went. ## 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 Refining Midstream Retail Renewable Fuels Marketing Logistics ### Service Regions Active in 3 states Top states: PA KY OH Full state-by-state operating volumes, inspection locations, and lane coverage analysis. ### CSA Safety Scores 5 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 4194222121 Physical Address 1515 ARAPAHOE ST STE 1-600 DENVER, CO 80202-2137 ## Cargo & Operations Cargo Carried Machinery Other ### Violations by Category 2 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 Analytics 1 trucks Top manufacturers FORD Sample units 1FDWF7DC6NDFXXXXX 2022 FORD E450 Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster. Are you MARKWEST ENERGY OPERATING COMPANY LLC? Claim this profile to respond to reviews, keep your info current, and dispute inaccurate signals. Free forever. Vet at Scale ## Need more than a one-off vetting report? Unlimited vetting across every U.S. carrier, monitored continuously — with insurance, risk, contacts, and crash data built into your workflow. See AlphaLoops for Brokers: https://runalphaloops.com/lp/broker-vetting Free trial · no credit card upfront Covers every U.S. carrier Risk score · evidence · 72h access ## Structured data ```json [ { "@context": "https://schema.org", "@type": "LocalBusiness", "name": "MARKWEST ENERGY OPERATING COMPANY LLC", "alternateName": "MPLX G&P", "url": "https://runalphaloops.com/carrier/co/4151788/markwest-energy-operating-company-llc", "areaServed": [ { "@type": "State", "name": "PA" }, { "@type": "State", "name": "KY" }, { "@type": "State", "name": "OH" } ], "address": { "@type": "PostalAddress", "streetAddress": "1515 ARAPAHOE ST STE 1-600", "addressLocality": "DENVER", "addressRegion": "CO", "postalCode": "80202-2137", "addressCountry": "US" }, "telephone": "4194222121", "identifier": [ { "@type": "PropertyValue", "name": "DOT Number", "value": "4151788" } ], "numberOfEmployees": { "@type": "QuantitativeValue", "value": 135 } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is MARKWEST ENERGY OPERATING COMPANY LLC's DOT number?", "acceptedAnswer": { "@type": "Answer", "text": "MARKWEST ENERGY OPERATING COMPANY LLC's USDOT number is 4151788. These numbers are assigned by the Federal Motor Carrier Safety Administration (FMCSA)." } }, { "@type": "Question", "name": "Where is MARKWEST ENERGY OPERATING COMPANY LLC located?", "acceptedAnswer": { "@type": "Answer", "text": "MARKWEST ENERGY OPERATING COMPANY LLC is based in DENVER, CO 80202-2137. They can be reached at 4194222121." } }, { "@type": "Question", "name": "How large is MARKWEST ENERGY OPERATING COMPANY LLC's fleet?", "acceptedAnswer": { "@type": "Answer", "text": "MARKWEST ENERGY OPERATING COMPANY LLC operates 122 power units with 135 drivers." } }, { "@type": "Question", "name": "Is MARKWEST ENERGY OPERATING COMPANY LLC currently active?", "acceptedAnswer": { "@type": "Answer", "text": "MARKWEST ENERGY OPERATING COMPANY LLC's USDOT registration is currently listed as active." } } ] }, { "@context": "https://schema.org", "@type": "WebSite", "name": "AlphaLoops", "alternateName": [ "AlphaLoops.com", "Run AlphaLoop" ], "url": "https://runalphaloops.com/" } ] ```