NYSE · Common Stock · Natural Gas Transmisison & Distribution
198 entities across 5 jurisdictions. Read directly from the company’s own 10-K EX-21 filed 2026-02-24 — see the exhibit.
Which other public companies file entities in the same places:
| Entity | Jurisdiction | Note |
|---|---|---|
| Acacia Natural Gas, L.L.C. | Delaware | |
| Ascension Pipeline Company, LLC (50%) | Delaware | |
| Bighorn Gas Gathering, L.L.C. (49.0%) | Delaware | |
| Bison Prairie Assurance, L.L.C. | Oklahoma | |
| Black Mesa Holdings, Inc. | Delaware | |
| Black Mesa Pipeline, Inc. | Delaware | |
| Black Mesa Pipeline Operations, L.L.C. | Delaware | |
| Black Mesa Technologies, Inc. | Oklahoma | |
| Border Midwestern Company | Delaware | |
| Bridgeline Holdings, L.P. | Delaware | |
| BridgeTex Pipeline Company, LLC (60%) | Delaware | |
| Cedar Cove Midstream LLC (30%) | Delaware | |
| Chisholm Pipeline Company (50%) | Delaware | |
| Chisholm Pipeline Holdings, L.L.C. | Delaware | |
| Cowtown Gas Processing Partners, L.P. | Texas | |
| Cowtown Pipeline Partners L.P. | Texas | |
| Crestone Energy Ventures, L.L.C. | Delaware | |
| Crestone Gathering Services, L.L.C. | Delaware | |
| Crestone Powder River, L.L.C. | Delaware | |
| Crestone Wind River, L.L.C. | Delaware | |
| Double Eagle Pipeline LLC (50%) | Delaware | |
| Eiger Express Holdings, LLC (25.5%) | Delaware | |
| Elk Merger Sub II, L.L.C. | Delaware | |
| EnLink Barnett Gas Services GP, LLC | Delaware | |
| EnLink Barnett Gas Services, LLC | Delaware | |
| EnLink Calcasieu, LLC | Delaware | |
| EnLink CCS, LLC | Delaware | |
| EnLink Crude Marketing, LLC | Delaware | |
| EnLink Crude Pipeline LLC | Texas | |
| EnLink Delaware Crude Pipeline, LLC | Texas | |
| EnLink Energy GP, LLC | Delaware | |
| EnLink Gas Marketing, LP | Texas | |
| EnLink LIG Liquids, LLC | Louisiana | |
| EnLink LIG, LLC | Louisiana | |
| EnLink Louisiana Gathering, LLC | Louisiana | |
| EnLink Matli Holdings, LLC | Delaware | |
| EnLink Midcon Transport, LLC | Delaware | |
| EnLink Midcon, LLC | Delaware | |
| EnLink Midstream Finance Corporation | Delaware | |
| EnLink Midstream Funding, LLC | Delaware | |
| EnLink Midstream GP, LLC | Delaware | |
| EnLink Midstream Holdings GP, LLC | Delaware | |
| EnLink Midstream Holdings, LP | Delaware | |
| EnLink Midstream Operating GP, LLC | Delaware | |
| EnLink Midstream Operating, LP | Delaware | |
| EnLink Midstream Manager, LLC | Delaware | |
| EnLink Midstream Partners, LP | Delaware | |
| EnLink Midstream Services, LLC | Texas | |
| EnLink MXP Holding, LLC | Delaware | |
| EnLink NGL Marketing, LP | Texas | |
| EnLink NGL Pipeline, LP | Texas | |
| EnLink Nominee, LLC | Delaware | |
| EnLink North Texas Gathering, LP | Texas | |
| EnLink Oklahoma Crude Gathering, LLC | Delaware | |
| EnLink Oklahoma Gas Processing, LP | Delaware | |
| EnLink Pelican, LLC | Delaware | |
| EnLink Permian II, LLC | Texas | |
| EnLink Permian, LLC | Texas | |
| EnLink Processing Services, LLC | Delaware | |
| EnLink SE Texas Crude Pipeline, LLC | Delaware | |
| EnLink Texas NGL Pipeline, LLC | Texas | |
| EnLink Texas Processing, LP | Texas | |
| EnLink Tuscaloosa, LLC | Louisiana | |
| Fort Union Gas Gathering, L.L.C. (50%) | Delaware | |
| GIP III Trophy GP, LLC | Delaware | |
| Gulf Coast Fractionators (38.75%) | Texas | |
| Heartland Pipeline Company (general partnership) (50%) | Texas | |
| HoustonLink Pipeline Company, LLC (50%) | Delaware | |
| Jefferson Island Storage & Hub, L.L.C. | Delaware | |
| Lost Creek Gathering Company, L.L.C. (35%) | Delaware | |
| Louisiana River Market, LLC | Delaware | |
| Magellan Ammonia Pipeline, L.P. | Delaware | |
| Magellan Asset Services GP, LLC | Delaware | |
| Magellan Asset Services, L.P. | Delaware | |
| Magellan Crude Oil Pipeline Company GP, LLC | Delaware | |
| Magellan Crude Oil Pipeline Company, L.P. | Delaware | |
| Magellan GP, LLC | Delaware | |
| Magellan Logistics & Services GP, LLC | Delaware | |
| Magellan Logistics & Services, L.P. | Delaware | |
| Magellan Midstream Holdings GP, LLC | Delaware | |
| Magellan Midstream Partners, L.P. | Delaware | |
| Magellan NGL, LLC | Delaware | |
| Magellan OLP, L.P. | Delaware | |
| Magellan Operating Company, LLC | Delaware | |
| Magellan Operating GP, LLC | Delaware | |
| Magellan Pipeline Company, L.P. | Delaware | |
| Magellan Pipeline GP, LLC | Delaware | |
| Magellan Pipeline Terminals GP, LLC | Delaware | |
| Magellan Pipeline Terminals, L.P. | Delaware | |
| Magellan Pipelines Holdings GP, LLC | Delaware | |
| Magellan Pipelines Holdings, L.P. | Delaware | |
| Magellan Processing GP, LLC | Delaware | |
| Magellan Processing, L.P. | Delaware | |
| Magellan Terminals Holdings, L.P. | Delaware | |
| MBTC Pipeline LLC (80%) | Delaware | |
| MDP Holdings, LLC | Delaware | |
| Medallion Crude Oil Logistics, LLC | Texas | |
| Medallion Gathering & Processing, LLC | Texas | |
| Medallion Midland Acquisition, L.P. | Delaware | |
| Medallion Midland Acquisition Partnership, L.P. | Delaware | |
| Medallion Midland Gathering, LLC | Texas | |
| Medallion Midland Partners, LLC | Delaware | |
| Medallion Operating Company, LLC | Delaware | |
| Medallion Parent Holdings, L.L.C. | Delaware | |
| Medallion Pipeline Company, LLC | Texas | |
| Medallion Producer Services, LLC | Texas | |
| MGP Marketing, LLC | Texas | |
| MidCon Express, LLC (f/k/a Lazarus Gas Gathering, LLC) | Texas | |
| Mid Continent Market Center, L.L.C. | Kansas | |
| Mont Belvieu I Fractionation Facility (joint venture) (80%) | Texas | |
| MVP Terminalling, LLC (25.01%) | Delaware | |
| MXP Parent, LLC (15%) | Delaware | |
| Nine MileCo, LLC | Texas | |
| Northern Border Pipeline Company (general partnership) (50%) | Texas | |
| OkTex Pipeline Company, L.L.C. | Delaware | |
| ONEOK Arbuckle II Pipeline, L.L.C. | Oklahoma | |
| ONEOK Arbuckle North Pipeline, L.L.C. | Delaware | |
| ONEOK Arbuckle Pipeline, L.L.C. | Delaware | |
| ONEOK Bakken Pipeline, L.L.C. | Delaware | |
| ONEOK Bushton Processing, L.L.C. | Delaware | |
| ONEOK Crude Marketing, L.L.C. | Delaware | |
| ONEOK Delaware Gathering, LLC (f/k/a Delaware G&P LLC) | Delaware | |
| ONEOK Delaware Midstream, LLC (f/k/a Delaware Processing LLC) | Delaware | |
| ONEOK Elk Creek Pipeline, L.L.C. | Oklahoma | |
| ONEOK Energy Services Company, II | Delaware | |
| ONEOK Energy Services Company, L.P. | Texas | |
| ONEOK Energy Services Holdings, L.L.C. | Oklahoma | |
| ONEOK Field Services Company, L.L.C. | Oklahoma | |
| ONEOK Gas Storage Holdings, L.L.C. | Delaware | |
| ONEOK Gas Storage, L.L.C. | Oklahoma | |
| ONEOK Gas Transportation, L.L.C. | Oklahoma | |
| ONEOK Gulf Coast Pipeline, L.L.C. | Delaware | |
| ONEOK Hydrocarbon GP, L.L.C. | Delaware | |
| ONEOK Hydrocarbon Holdings, L.L.C. | Delaware | |
| ONEOK Hydrocarbon Southwest, L.L.C. | Delaware | |
| ONEOK Hydrocarbon, L.L.C. | Delaware | |
| ONEOK Hydrocarbon, L.P. | Delaware | |
| ONEOK ILP GP, L.L.C. | Delaware | |
| ONEOK Leasing Company | Delaware | |
| ONEOK MB I, L.P. | Delaware | |
| ONEOK Midland Midstream, LLC (f/k/a Coronado Midstream LLC) | Texas | |
| ONEOK Midstream Gas Supply, L.L.C. | Oklahoma | |
| ONEOK Mont Belvieu Properties, L.L.C. | Delaware | |
| ONEOK Mont Belvieu Storage Company, L.L.C. | Delaware | |
| ONEOK NGL Distribution System, L.L.C. | Texas | |
| ONEOK NGL Gathering, L.L.C. | Delaware | |
| ONEOK NGL Pipeline, L.L.C. | Delaware | |
| ONEOK North System, L.L.C. | Delaware | |
| ONEOK Northern Border Pipeline Company Holdings, L.L.C. | Oklahoma | |
| ONEOK Overland Pass Holdings, L.L.C. | Oklahoma | |
| ONEOK Parking Company, L.L.C. | Delaware | |
| ONEOK Partners GP, L.L.C. | Delaware | |
| ONEOK Partners Intermediate Limited Partnership | Delaware | |
| ONEOK Partners, L.P. | Delaware | |
| ONEOK Permian NGL Operating Company, L.L.C. | Delaware | |
| ONEOK Pipeline Holdings, L.L.C. | Delaware | |
| ONEOK Power Solutions, L.L.C. | Delaware | |
| ONEOK Rockies Investments, L.L.C. | Delaware | |
| ONEOK Rockies Midstream, L.L.C. | Delaware | |
| ONEOK Services Company, L.L.C. | Oklahoma | |
| ONEOK Southeast Texas NGL Pipeline, L.L.C. | Oklahoma | |
| ONEOK Sterling III Pipeline, L.L.C. | Oklahoma | |
| ONEOK TCX Holdings, L.L.C. | Delaware | |
| ONEOK Texas Gas Storage, L.L.C. | Texas | |
| ONEOK Underground Storage Company, L.L.C. | Kansas | |
| ONEOK Unit Holdings, Inc. | Delaware | |
| ONEOK Ventures, L.L.C. | Oklahoma | |
| ONEOK Ventures Direct Investments, L.L.C. | Oklahoma | |
| ONEOK Ventures Fund Investments, L.L.C. | Oklahoma | |
| ONEOK VESCO Holdings, L.L.C. | Delaware | |
| ONEOK West Texas NGL Pipeline, L.L.C. | Texas | |
| ONEOK Western Trail Pipeline, L.L.C. | Oklahoma | |
| ONEOK WesTex Transmission, L.L.C. | Delaware | |
| ONEOK Wyoming Midstream, L.L.C. | Delaware | |
| ONEOK Wyoming Midstream Holdings, L.L.C. | Delaware | |
| Overland Pass Pipeline Company LLC (50%) | Delaware | |
| Powder Springs Logistics, LLC (50%) | Delaware | |
| Redcliff Midstream, LLC | Delaware | |
| Roadrunner Gas Transmission Holdings, LLC (50%) | Delaware | |
| Roadrunner Gas Transmission, LLC (100% owned by Roadrunner Gas Transmission Holdings, LLC) | Delaware | |
| Sabine Hub Services LLC | Delaware | |
| Sabine Pass Plant Facility Joint Venture | Texas | |
| Sabine Pipe Line LLC | Delaware | |
| Saddlehorn Pipeline Company, LLC (40%) | Delaware | |
| Saguaro Connector Pipeline, L.L.C. | Delaware | |
| Saguaro Connector Pipeline Holdings, L.L.C. | Delaware | |
| Seabrook Logistics, LLC (50%) | Delaware | |
| Seabrook Pipeline, LLC (100% owned by Seabrook Logistics, LLC) | Delaware | |
| Seabrook Terminal, LLC (100% owned by Seabrook Logistics, LLC) | Delaware | |
| Sun Belt Connector, L.L.C. | Delaware | |
| SWG Pipeline, L.L.C. | Texas | |
| Texas City Logistics LLC (50%) | Delaware | |
| Texas Frontera, LLC (50%) | Delaware | |
| Tiburon Operating LLC | Texas | |
| TOM-STACK, LLC | Delaware | |
| TXGC Pipelines, L.L.C. | Delaware | |
| TXGC Properties, L.L.C. | Delaware | |
| Venice Energy Services Company, L.L.C. (10.1765%) | Delaware |
Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.
| Year | Revenue | Net income | Free cash flow | Gross margin | Shares |
|---|---|---|---|---|---|
| FY2020 | $8.5B | $612.8M | −$296.3M | — | 431,782,000 |
| FY2021 | $16.5B | $1.5B | $1.8B | — | 447,403,000 |
| FY2022 | $22.4B | $1.7B | $1.7B | — | 448,447,000 |
| FY2023 | $17.7B | $2.7B | $2.8B | — | 485,400,000 |
| FY2024 | $21.7B | $3.0B | $2.9B | — | 586,500,000 |
| FY2025 | $33.6B | $3.4B | $2.4B | — | 625,900,000 |
Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.
ONEOK INC /NEW/ files under SIC 4923 — all 4 natural gas transmisison & distribution companies compared on assets and F-score.
The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.
Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.
