MPLX supply chain intelligence for MPLX LP: verified suppliers, customers, debt relationships, acquisitions, and ownership data.
Data compiled by Redley Lamar · ChainSifter Intelligence
MPLX LP (MPLX) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| MPC | Marathon Petroleum Corporation | 92% | As of March 31, 2026, MPLX had $1.5 billion in cash, $2.0 billion available on its bank revolving credit facility, and $1.5 billion available through its intercompany loan agreement with MPC. |
| MPC | Marathon Petroleum Corporation | 92% | Reciprocal relationship from MPC graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from MPC graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from MPC grap… |
| MPLX-GP-LLC | MPLX-GP-LLC | 92% | MPLX does not directly employ any of the personnel responsible for managing and operating the MPLX business. Rather, MPLX contracts with MPC to provide the necessary personnel, all of whom are direct… |
| BANK-OF-AMERICA-N-A | BANK-OF-AMERICA-N-A | 90% | each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto… |
| BARCLAYS-BANK-PLC | BARCLAYS-BANK-PLC | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| BOFA-SECURITIES-INC | BOFA-SECURITIES-INC | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| CITIBANK-N-A | CITIBANK-N-A | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| GOLDMAN-SACHS-BANKS-USA | GOLDMAN-SACHS-BANKS-USA | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| GOLDMAN-SACHS-BANK-USA | GOLDMAN-SACHS-BANK-USA | 90% | each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto… |
| JPMORGAN-CHASE-BANK-N-A | JPMORGAN-CHASE-BANK-N-A | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| MIZUHO-BANK-LTD | MIZUHO-BANK-LTD | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| MUFG-BANK-LTD | MUFG-BANK-LTD | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| RBC-CAPITAL-MARKETS | RBC-CAPITAL-MARKETS | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| RY | Royal Bank of Canada | 90% | each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto… |
| RY | Royal Bank of Canada | 90% | Reciprocal relationship from RY graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from RY graph: Reciprocal relationship from MPLX graph: each of Bank of America, N.A., Barclays… |
| SUMITOMO-MITSUI-BANKING-CORPORATION | SUMITOMO-MITSUI-BANKING-CORPORATION | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| TD-SECURITIES-USA-LLC | TD-SECURITIES-USA-LLC | 90% | each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Banks USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Mark… |
| THE-TORONTO-DOMINION-BANK-NEW-YORK-BRANCH | THE-TORONTO-DOMINION-BANK-NEW-YORK-BRANCH | 90% | each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto… |
| WELLS-FARGO-BANK-NATIONAL-ASSOCIATION | WELLS-FARGO-BANK-NATIONAL-ASSOCIATION | 90% | MPLX entered into a $2.5 billion, five-year Revolving Credit Agreement with Wells Fargo Bank, National Association, as administrative agent |
| WHIPTAIL-MIDSTREAM-LLC | WHIPTAIL-MIDSTREAM-LLC | 90% | MPLX acquired gathering businesses from Whiptail Midstream, LLC for $ 235 million in cash |
| EBBNF | Enbridge Inc. | 85% | Reciprocal relationship from EBBNF graph: billion (US$3.0 billion) (the Questar Acquisition). Questar is a public natural gas utility providing distribution, storage and transmission services to resi… |
| ENB | Enbridge Inc. | 72% | Reciprocal relationship from ENB graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from ENB graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from ENB grap… |
| MARA | MARA Holdings, Inc. | 72% | Reciprocal relationship from MARA graph: te, dedicated cloud solutions to third-party customers, with pricing based on usage, capacity commitments, or other commercial arrangements. These offerings a… |
| TRGP | Targa Resources Corp. | 72% | Reciprocal relationship from TRGP graph: in the second half of 2026, pending the receipt of customary regulatory and other approvals. The Blackcomb pipeline is held by a joint venture (“Blackcomb”), … |
| WES | Western Midstream Partners, LP | 72% | Reciprocal relationship from WES graph: NGLs fractionators and associated truck-loading facility at the Platte Valley and Wattenberg plants provides access to local NGLs markets. DJ Basin oil-gatheri… |
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| MPC | Marathon Petroleum Corporation | 90% | Reciprocal relationship from MPC graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from MPC graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from MPC grap… |
| TRGP | Targa Resources Corp. | 90% | Reciprocal relationship from TRGP graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from TRGP graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from TRGP g… |
| TEXAS-CITY-LOGISTICS-LLC | TEXAS-CITY-LOGISTICS-LLC | 85% | s and Southern Appalachia, $123 million due to the Rockies divestiture, $51 million due to a change in derivative valuation and $34 million due to the absence of a non-recurring benefit associated wi… |
| WHIPTAIL-MIDSTREAM-LLC | WHIPTAIL-MIDSTREAM-LLC | 85% | he additional five percent ownership interest in the joint venture exceeded the amount of the claim to the underlying net assets of the joint venture by approximately $ 124 million, with $ 63 million… |
| EBBNF | Enbridge Inc. | 80% | Reciprocal relationship from EBBNF graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from EBBNF graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from EBBN… |
| MPC | Marathon Petroleum Corporation | 72% | llectively to Marathon Petroleum Corporation and its subsidiaries, other than the Partnership. We are engaged in the gathering, transportation, storage and distribution of crude oil, refined products… |
| WES | Western Midstream Partners, LP | 72% | Reciprocal relationship from WES graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from WES graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from WES grap… |
| XYF | X Financial | 72% | s and Southern Appalachia, $123 million due to the Rockies divestiture, $51 million due to a change in derivative valuation and $34 million due to the absence of a non-recurring benefit associated wi… |
| XYF | X Financial | 72% | Reciprocal relationship from XYF graph: Reciprocal relationship from MPLX graph: Reciprocal relationship from XYF graph: Reciprocal relationship from MPLX graph: s and Southern Appalachia, $123 milli… |
| BANGL-LLC | BANGL-LLC | 62% | Annual Report on Form 10-K for the fiscal year ending December 31, 2025. We are evaluating the impact these rules, if effective, will have on our disclosures and monitoring the status of the judicial… |
| DELAWARE-BASIN-RESIDUE-LLC | DELAWARE-BASIN-RESIDUE-LLC | 62% | ting our share of processed volumes is also included and used to compute the utilization presented above. (3) Includes volumes processed at third-party facilities in the Bakken. Fractionation Facilit… |
| LOOP-LLC | LOOP-LLC | 62% | s processing plants, each with a capacity of 200 MMcf/d and approximately 142 miles of gathering pipeline. The results for this business are reported under our Natural Gas and NGL Services segment. A… |
| MAREN-BAKKEN-COMPANY-LLC | MAREN-BAKKEN-COMPANY-LLC | 62% | s processing plants, each with a capacity of 200 MMcf/d and approximately 142 miles of gathering pipeline. The results for this business are reported under our Natural Gas and NGL Services segment. A… |
| MARKWEST-EMG-JEFFERSON-DRY-GAS-GATHERING-COMPANY | MARKWEST-EMG-JEFFERSON-DRY-GAS-GATHERING-COMPANY | 62% | s processing plants, each with a capacity of 200 MMcf/d and approximately 142 miles of gathering pipeline. The results for this business are reported under our Natural Gas and NGL Services segment. A… |
| MXP-PARENT-LLC | MXP-PARENT-LLC | 62% | ting our share of processed volumes is also included and used to compute the utilization presented above. (3) Includes volumes processed at third-party facilities in the Bakken. Fractionation Facilit… |
| NET-INCOME-PER-LIMITED | NET-INCOME-PER-LIMITED | 62% | the unguaranteed residual value of the leased assets. Management assesses the net investment in sales-type leases for recoverability quarterly. Inventories Inventories consist of materials and suppli… |
| NORTHWIND-DELAWARE-HOLDINGS-LLC | NORTHWIND-DELAWARE-HOLDINGS-LLC | 62% | 5, MPLX completed the acquisition of 100 percent of the outstanding membership interests of Northwind Delaware Holdings LLC (“Northwind Midstream”) for $ 2.4 billion in cash (the “Northwind Midstream… |
| OHIO-CONDENSATE-COMPANY | OHIO-CONDENSATE-COMPANY | 62% | .C. (“OGC”) and a direct interest in Ohio Condensate Company L.L.C. (“OCC”) and now own a combined 73 percent interest in OGC, a 100 percent interest in OCC, and a 100 percent interest in a dry gas g… |
| OHIO-GATHERING-COMPANY | OHIO-GATHERING-COMPANY | 62% | s processing plants, each with a capacity of 200 MMcf/d and approximately 142 miles of gathering pipeline. The results for this business are reported under our Natural Gas and NGL Services segment. A… |
| OTHER-TRANSACTIONS-BANGL-LLC | OTHER-TRANSACTIONS-BANGL-LLC | 62% | Annual Report on Form 10-K for the fiscal year ending December 31, 2025. We are evaluating the impact these rules, if effective, will have on our disclosures and monitoring the status of the judicial… |
| PANOLA-PIPELINE-COMPANY-LLC | PANOLA-PIPELINE-COMPANY-LLC | 62% | ting our share of processed volumes is also included and used to compute the utilization presented above. (3) Includes volumes processed at third-party facilities in the Bakken. Fractionation Facilit… |
| SHERWOOD-MIDSTREAM-LLC | SHERWOOD-MIDSTREAM-LLC | 62% | s processing plants, each with a capacity of 200 MMcf/d and approximately 142 miles of gathering pipeline. The results for this business are reported under our Natural Gas and NGL Services segment. A… |
| TESORO-HIGH-PLAINS-PIPELINE-COMPANY-LLC | TESORO-HIGH-PLAINS-PIPELINE-COMPANY-LLC | 62% | e 84 5 ( 18 ) 71 Deferred revenue - related parties 71 21 ( 22 ) 70 Long-term deferred revenue 315 — — 315 Long-term deferred revenue - related parties 44 ( 3 ) — 41 (1) No significant revenue was re… |
| TRAVERSE-PIPELINE-HOLDINGS-LLC | TRAVERSE-PIPELINE-HOLDINGS-LLC | 62% | apital expenditures include costs to develop or acquire additional pipeline, terminal, processing or storage capacity. In general, growth capital includes costs that are expected to generate addition… |
| WHISTLER-PIPELINE-LLC | WHISTLER-PIPELINE-LLC | 62% | Annual Report on Form 10-K for the fiscal year ending December 31, 2025. We are evaluating the impact these rules, if effective, will have on our disclosures and monitoring the status of the judicial… |
| WPC-PARENT-LLC | WPC-PARENT-LLC | 62% | ting our share of processed volumes is also included and used to compute the utilization presented above. (3) Includes volumes processed at third-party facilities in the Bakken. Fractionation Facilit… |
| Instrument | Description | Confidence | Evidence |
|---|---|---|---|
| MPLX-DEBT | Debt stack $1.5B | 90% | Market cache reports total debt of $1.5B. |
| Holder | Name | Confidence | Evidence |
|---|---|---|---|
| MPLX-OWNER-BARCLAYS-PLC | BARCLAYS PLC | 90% | 13F overlay lists BARCLAYS PLC as top holder; 652 tracked holders. |
| Ticker | Name | Chain Index | Hops | Relationship Types |
|---|---|---|---|---|
| AHG | Akso Health Group | 100.00 | 2 | |
| HBNB | Hotel101 Global Holdings Corp. | 100.00 | 2 | |
| CSTE | Caesarstone Ltd. | 100.00 | 2 | |
| FCCN | Spectral Capital Corporation | 100.00 | 2 | |
| RYAN | Ryan Specialty Holdings, Inc. | 100.00 | 2 | |
| XRX | Xerox Holdings Corporation | 100.00 | 2 | |
| CANG | Cango Inc. | 100.00 | 2 | |
| BGC | BGC Group, Inc. | 100.00 | 2 | |
| GEMI | Gemini Space Station, Inc. | 100.00 | 2 | |
| ETOR | eToro Group Ltd. | 100.00 | 2 | |
| BLNE | Beeline Holdings, Inc. | 100.00 | 2 | |
| AMBR | Amber International Holding Limited | 100.00 | 2 | |
| BTDR | Bitdeer Technologies Group | 100.00 | 2 | |
| CRMZ | CreditRiskMonitor.com, Inc. | 100.00 | 2 | |
| BLSH | Bullish | 100.00 | 2 | |
| BRBI | BRBI BR Partners S.A. | 100.00 | 2 | |
| ENLT | Enlight Renewable Energy Ltd | 100.00 | 2 | |
| FENG | Phoenix New Media Limited | 100.00 | 2 | |
| CIB | Grupo Cibest S.A. | 100.00 | 2 | |
| ASML | ASML Holding N.V. | 100.00 | 2 |