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MPLX LP

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corporation · US · canonical: mplx lp · 2 aliases · 1 outbound · 74 inbound

Related entities (8)

Same brand-name cluster — possible parent, subsidiary, PAC, or lobbying registration. Surfaced via head-token match (e.g. every "AMAZON …" org) and pg_trgm similarity for variant spellings. Not yet asserted as parent/child edges; treat as a navigation aid.

Timeline

Every typed-graph event involving this entity, newest first. Each row is one edge in the influence graph; the inline strip under the row shows the counterpart's own context (a bill's latest action, a hearing's chamber + date, a filing's form type + filed date, a clip's source + excerpt) so the timeline reads like a Wikipedia citation rail.

  1. 2026-05-27 · Subsidiary / brand-family member of MarkWest Pioneer, L.L.C. · sec-edgar-ex21
  2. 2026-05-27 · Subsidiary / brand-family member of MarkWest Agua Blanca Pipeline, L.L.C. · sec-edgar-ex21
  3. 2026-05-27 · Subsidiary / brand-family member of Robinson Refining Logistics LLC · sec-edgar-ex21
  4. 2026-05-27 · Subsidiary / brand-family member of MPLX Fuels Distribution LLC · sec-edgar-ex21
  5. 2026-05-27 · Subsidiary / brand-family member of Tesoro Logistics Northwest Pipeline LLC · sec-edgar-ex21
  6. 2026-05-27 · Subsidiary / brand-family member of MarkWest Bluestone Ethane Pipeline, L.L.C. · sec-edgar-ex21
  7. 2026-05-27 · Subsidiary / brand-family member of Tesoro SoCal Pipeline Company LLC · sec-edgar-ex21
  8. 2026-05-27 · Subsidiary / brand-family member of Northwind Midstream Sub I LLC · sec-edgar-ex21
  9. 2026-05-27 · Subsidiary / brand-family member of Tesoro Alaska Pipeline Company LLC · sec-edgar-ex21
  10. 2026-05-27 · Subsidiary / brand-family member of Andeavor Midstream Partners GP LLC · sec-edgar-ex21
  11. 2026-05-27 · Subsidiary / brand-family member of MPLX Operations LLC · sec-edgar-ex21
  12. 2026-05-27 · Subsidiary / brand-family member of MarkWest Mariner Pipeline, L.L.C. · sec-edgar-ex21
  13. 2026-05-27 · Subsidiary / brand-family member of BANGL, LLC · sec-edgar-ex21
  14. 2026-05-27 · Subsidiary / brand-family member of Western Refining Delaware Basin Storage, LLC · sec-edgar-ex21
  15. 2026-05-27 · Subsidiary / brand-family member of MarkWest Ranger Pipeline Company, L.L.C. · sec-edgar-ex21
  16. 2026-05-27 · Subsidiary / brand-family member of Garyville Refining Logistics LLC · sec-edgar-ex21
  17. 2026-05-27 · Subsidiary / brand-family member of MarkWest Utica Operating Company, L.L.C. · sec-edgar-ex21
  18. 2026-05-27 · Subsidiary / brand-family member of MPLX Terminals LLC · sec-edgar-ex21
  19. 2026-05-27 · Subsidiary / brand-family member of MarkWest Liberty NGL Pipeline, L.L.C. · sec-edgar-ex21
  20. 2026-05-27 · Subsidiary / brand-family member of Northwind Midstream Partners LLC · sec-edgar-ex21
  21. 2026-05-27 · Subsidiary / brand-family member of MPLX Ozark Pipe Line LLC · sec-edgar-ex21
  22. 2026-05-27 · Subsidiary / brand-family member of Tesoro Logistics Finance Corp. · sec-edgar-ex21
  23. 2026-05-27 · Subsidiary / brand-family member of Western Refining Conan Gathering, LLC · sec-edgar-ex21
  24. 2026-05-27 · Subsidiary / brand-family member of Detroit Refining Logistics LLC · sec-edgar-ex21
  25. 2026-05-27 · Subsidiary / brand-family member of Mt. Airy Terminal LLC · sec-edgar-ex21
  26. 2026-05-27 · Subsidiary / brand-family member of MarkWest Pipeline Company, L.L.C. · sec-edgar-ex21
  27. 2026-05-27 · Subsidiary / brand-family member of MarkWest Ohio Fractionation Company, L.L.C. · sec-edgar-ex21
  28. 2026-05-27 · Subsidiary / brand-family member of MarkWest Liberty Midstream & Resources, L.L.C. · sec-edgar-ex21
  29. 2026-05-27 · Subsidiary / brand-family member of Tesoro High Plains Pipeline Company LLC · sec-edgar-ex21
  30. 2026-05-27 · Subsidiary / brand-family member of MarkWest Oklahoma Gas Company, L.L.C. · sec-edgar-ex21
  31. 2026-05-27 · Subsidiary / brand-family member of MarkWest Energy West Texas Gas Company, L.L.C. · sec-edgar-ex21
  32. 2026-05-27 · Subsidiary / brand-family member of MarkWest Tornado GP, L.L.C. · sec-edgar-ex21
  33. 2026-05-27 · Subsidiary / brand-family member of Andeavor Field Services LLC · sec-edgar-ex21
  34. 2026-05-27 · Subsidiary / brand-family member of West Relay Gathering Company, L.L.C. · sec-edgar-ex21
  35. 2026-05-27 · Subsidiary / brand-family member of Hardin Street Marine LLC (d/b/a MPLX Marine) · sec-edgar-ex21
  36. 2026-05-27 · Subsidiary / brand-family member of Asphalt Terminals LLC · sec-edgar-ex21
  37. 2026-05-27 · Subsidiary / brand-family member of Ohio Condensate Company, L.L.C. · sec-edgar-ex21
  38. 2026-05-27 · Subsidiary / brand-family member of Canton Refining Logistics LLC · sec-edgar-ex21
  39. 2026-05-27 · Subsidiary / brand-family member of Triple Streams Gathering LLC · sec-edgar-ex21
  40. 2026-05-27 · Subsidiary / brand-family member of Tesoro Great Plains Gathering & Marketing LLC (d/b/a Patterson Rail Terminal) · sec-edgar-ex21
  41. 2026-05-27 · Subsidiary / brand-family member of MWE GP LLC · sec-edgar-ex21
  42. 2026-05-27 · Subsidiary / brand-family member of Blanchard Terminal Company LLC · sec-edgar-ex21
  43. 2026-05-27 · Subsidiary / brand-family member of BANGL Operating, LLC · sec-edgar-ex21
  44. 2026-05-27 · Subsidiary / brand-family member of Western Refining Terminals, LLC · sec-edgar-ex21
  45. 2026-05-27 · Subsidiary / brand-family member of MPLX Delaware Basin LLC · sec-edgar-ex21
  46. 2026-05-27 · Subsidiary / brand-family member of MarkWest Liberty Ethane Pipeline, L.L.C. · sec-edgar-ex21
  47. 2026-05-27 · Subsidiary / brand-family member of Northwind Delaware Holdings LLC · sec-edgar-ex21
  48. 2026-05-27 · Subsidiary / brand-family member of MarkWest Liberty Gas Gathering, L.L.C. · sec-edgar-ex21
  49. 2026-05-27 · Subsidiary / brand-family member of MarkWest Hydrocarbon, L.L.C. · sec-edgar-ex21
  50. 2026-05-27 · Subsidiary / brand-family member of MarkWest Energy Partners LLC · sec-edgar-ex21

Connected on the graph

75 typed relationships in the influence graph — 74 inbound, 1 outbound, grouped by type.

subsidiary of (75)
datedirentityamountrolesource
Woodhaven Cavern LLCsec-edgar-ex21
Andeavor Logistics LLCsec-edgar-ex21
Andeavor Midstream Partners GP LLCsec-edgar-ex21
Andeavor Midstream Partners LPsec-edgar-ex21
Asphalt Terminals LLCsec-edgar-ex21
BANGL Operating, LLCsec-edgar-ex21
BANGL, LLCsec-edgar-ex21
Blanchard Terminal Company LLCsec-edgar-ex21
Andeavor Field Services LLCsec-edgar-ex21
Canton Refining Logistics LLCsec-edgar-ex21
Catlettsburg Refining Logistics LLCsec-edgar-ex21
Detroit Refining Logistics LLCsec-edgar-ex21
Galveston Bay Refining Logistics LLCsec-edgar-ex21
Garyville Refining Logistics LLCsec-edgar-ex21
Hardin Street Marine LLC (d/b/a MPLX Marine)sec-edgar-ex21
Hardin Street Transportation LLCsec-edgar-ex21
Marathon Pipe Line LLC (d/b/a Marathon Pipe Line (Delaware) LLC)sec-edgar-ex21
MarkWest Agua Blanca Pipeline, L.L.C.sec-edgar-ex21
MarkWest Bluestone Ethane Pipeline, L.L.C.sec-edgar-ex21
MarkWest Energy East Texas Gas Company, L.L.C.sec-edgar-ex21
MarkWest Energy Operating Company, L.L.C.sec-edgar-ex21
MarkWest Energy Partners LLCsec-edgar-ex21
MarkWest Energy West Texas Gas Company, L.L.C.sec-edgar-ex21
MarkWest Hydrocarbon, L.L.C.sec-edgar-ex21
MarkWest Liberty Bluestone, L.L.C.sec-edgar-ex21
MarkWest Liberty Ethane Pipeline, L.L.C.sec-edgar-ex21
MarkWest Liberty Gas Gathering, L.L.C.sec-edgar-ex21
MarkWest Liberty Midstream & Resources, L.L.C.sec-edgar-ex21
MarkWest Liberty NGL Pipeline, L.L.C.sec-edgar-ex21
MarkWest Mariner Pipeline, L.L.C.sec-edgar-ex21
MarkWest Ohio Fractionation Company, L.L.C.sec-edgar-ex21
MarkWest Oklahoma Gas Company, L.L.C.sec-edgar-ex21
MarkWest Panola Utility Company, L.L.C.sec-edgar-ex21
MarkWest Pioneer, L.L.C.sec-edgar-ex21
MarkWest Pipeline Company, L.L.C.sec-edgar-ex21
MarkWest Ranger Pipeline Company, L.L.C.sec-edgar-ex21
MarkWest Tornado GP, L.L.C.sec-edgar-ex21
MarkWest Utica Operating Company, L.L.C.sec-edgar-ex21
MPL Louisiana Holdings LLCsec-edgar-ex21
MPLX Delaware Basin LLCsec-edgar-ex21
MPLX Fuels Distribution LLCsec-edgar-ex21
MPLX Operations LLCsec-edgar-ex21
MPLX Ozark Pipe Line LLCsec-edgar-ex21
MPLX Terminal and Storage LLCsec-edgar-ex21
MPLX Terminals LLCsec-edgar-ex21
MPLXIF LLCsec-edgar-ex21
Mt. Airy Terminal LLCsec-edgar-ex21
MWE GP LLCsec-edgar-ex21
Northwind Delaware Holdings LLCsec-edgar-ex21
Northwind Management Holdings LLCsec-edgar-ex21
Northwind Management LLCsec-edgar-ex21
Northwind Midstream Operating LLCsec-edgar-ex21
Northwind Midstream Partners LLCsec-edgar-ex21
Northwind Midstream Sub I LLCsec-edgar-ex21
Ohio Condensate Company, L.L.C.sec-edgar-ex21
Ohio River Pipe Line LLCsec-edgar-ex21
Robinson Refining Logistics LLCsec-edgar-ex21
Tesoro Alaska Pipeline Company LLCsec-edgar-ex21
Tesoro Alaska Terminals LLCsec-edgar-ex21
Tesoro Great Plains Gathering & Marketing LLC (d/b/a Patterson Rail Terminal)sec-edgar-ex21
Tesoro High Plains Pipeline Company LLCsec-edgar-ex21
Tesoro Logistics Finance Corp.sec-edgar-ex21
Tesoro Logistics Northwest Pipeline LLCsec-edgar-ex21
Tesoro Logistics Operations LLCsec-edgar-ex21
Tesoro Logistics Pipelines LLCsec-edgar-ex21
Tesoro SoCal Pipeline Company LLCsec-edgar-ex21
Triple Streams Gathering LLCsec-edgar-ex21
West Relay Gathering Company, L.L.C.sec-edgar-ex21
Western Refining Conan Gathering, LLCsec-edgar-ex21
Western Refining Delaware Basin Storage, LLCsec-edgar-ex21
Western Refining Pipeline, LLCsec-edgar-ex21
Western Refining Terminals, LLCsec-edgar-ex21
WNRL Energy GP, LLCsec-edgar-ex21
WNRL Energy, LLCsec-edgar-ex21
Marathon Petroleum Corpsec-edgar-ex21
Aliases (2)
sourceidname at sourcejurisdictionconfidencelinked bylinked at
sec-cik0001552000MPLX LPsilveredges.exhibit21
sec_cik0001552000MPLX LPUSgoldsec-edgar-orphan

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