{"schema":"rootz.ai/sec-company/v1","layer":1,"cik":"0001552000","name":"MPLX LP","summary":"MPLX LP is a diversified master limited partnership formed by Marathon Petroleum Corporation (MPC) in 2012 that owns and operates midstream energy infrastructure and logistics assets. It provides crude oil and refined product pipeline transportation, inland marine services, terminal operations, storage caverns, natural gas and NGL gathering, processing, fractionation, and fuels distribution services across two segments: Crude Oil and Products Logistics and Natural Gas and NGL Services.","people":[],"products":[{"name":"Crude Oil and Refined Product Pipelines","type":"service","description":"Network for gathering, transportation, and distribution of crude oil and refined products."},{"name":"Inland Marine Business","type":"service","description":"Marine transportation services for hydrocarbon-based products via inland waterways."},{"name":"Terminals and Storage","type":"service","description":"Light-product, asphalt, heavy oil, and marine terminals plus storage caverns and refinery tanks."},{"name":"Natural Gas Gathering and Processing","type":"service","description":"Gathering, treating, processing, and transportation of natural gas from production regions."},{"name":"NGL Fractionation and Marketing","type":"service","description":"Transportation, fractionation, storage, and marketing of natural gas liquids."},{"name":"Fuels Distribution Services","type":"service","description":"Distribution of fuels including renewables through logistics infrastructure."},{"name":"Matterhorn Express Pipeline","type":"service","description":"Joint venture pipeline for natural gas transportation; MPLX holds increased interest as of June 2025."},{"name":"BANGL NGL Pipeline","type":"service","description":"NGL pipeline business fully acquired by MPLX in July 2025 for $703 million plus earnout."},{"name":"Northwind Midstream","type":"service","description":"Midstream gathering and processing operations acquired by MPLX in August 2025 for $2.4 billion."}],"partnerships":[{"partner_name":"Marathon Petroleum Corporation (MPC)","partnership_type":"strategic","description":"MPC is the parent and general partner of MPLX; MPLX provides refining logistics and fuels distribution for MPC.","start_date":null},{"partner_name":"Harvest Midstream","partnership_type":"strategic","description":"MPLX sold its Rockies gathering and processing operations to a Harvest Midstream subsidiary for $980 million in November 2025.","start_date":null},{"partner_name":"Whiptail Midstream, LLC","partnership_type":"strategic","description":"MPLX acquired crude oil gathering businesses from Whiptail Midstream in March 2025.","start_date":null},{"partner_name":"Matterhorn Express Pipeline JV","partnership_type":"strategic","description":"MPLX acquired an additional five percent interest in the Matterhorn Express Pipeline joint venture in June 2025.","start_date":null}],"affiliations":[],"origin":{"leaf":"c17ef473227799d4c43a870f2cc4817e3fc19683db57054b610573c2892a2cdb","formula":"v2: sha256( sha256(content) || parent || source_accession )","content_sha256":"357a1e49d66730de60592d6a1100f661694f8786f5cc1061617ec39dfe4641d4","parent":"57690c7c0f5f7d83472851e1b636c248e4ca471ee7e8e732b91038915ea0362a","source":"0001552000-26-000009","chain":"sec.gov/EDGAR (retrieved over TLS, accession recorded) > origin.rootz.global extraction > this response","registry":"origin.rootz.global","verify":"Recompute it: sha256(sha256(<this response body minus the origin block>) || parent || source_accession). 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