Company lists · Data refreshed September 2026
Top 25 Oil and gas midstream companies based in the United States
RevenueBase identified 374 oil and gas midstream companies headquartered in the United States as of September 2026 and tracks 37,691 professional contacts across them, including 16,792 with verified work emails. Houston is the largest hub.
This list covers oil and gas midstream companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest oil and gas midstream companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,314 contacts → | ||||
Indirect evidence “Kinder Morgan, Inc.(NYSE: KMI) is one of the largest energy infrastructure companies in North America.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,443 contacts → | ||||
Indirect evidence “At ONEOK (NYSE: OKE), we deliver energy products and services vital to an advancing world.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,415 contacts → | ||||
Indirect evidence “Powering people, fueling the future.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,334 contacts → | ||||
Partial evidence “Targa is a leading provider of midstream services as one of the largest independent midstream infrastructure companies in North America.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,535 contacts → | ||||
Indirect evidence “Buckeye Partners is a forward-thinking energy company.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,474 contacts → | ||||
Indirect evidence “We are an energy company that connects resources to end-use markets.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 929 contacts → | ||||
Indirect evidence “Boardwalk Pipelines powers possibility with innovative energy infrastructure that helps markets grow and communities thrive.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 905 contacts → | ||||
Partial evidence “As a midstream service provider, we help deliver essential energy and inputs that improve the quality of life across the globe.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 803 contacts → | ||||
Partial evidence “Magellan Midstream Partners, L.P.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 792 contacts → | ||||
Indirect evidence “EnLink is now part of ONEOK (NYSE: OKE)” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 707 contacts → | ||||
Partial evidence “Diversified is a leading publicly traded energy company focused on natural gas and liquids production, transport, marketing, and well retirement.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 623 contacts → | ||||
Indirect evidence “USA Compression Partners LP (NYSE: USAC), based in Dallas, TX, completed its IPO in January 2013.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 543 contacts → | ||||
Partial evidence “MarkWest Energy Partners, L.P.(MarkWest) is a master limited partnership engaged in the gathering, transportation, and processing of natural gas; the transportation…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 506 contacts → | ||||
Partial evidence “Enable Midstream Partners was acquired by Energy Transfer on December 3, 2021.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 386 contacts → | ||||
Indirect evidence “Energy Transfer acquired Crestwood Equity Partners on November 3, 2023.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 342 contacts → | ||||
Partial evidence “In November 2018, Equitrans Midstream Corporation became a publicly traded, standalone midstream company – and began trading on the NYSE under the ticker symbol ETRN.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 337 contacts → | ||||
Strong evidence “DT Midstream (NYSE: DTM) is an owner, operator and developer of natural gas interstate and intrastate pipelines, storage and gathering systems, compression, treatment, and surface…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 294 contacts → | ||||
Indirect evidence “Headquartered in San Antonio, Texas, Howard Energy Partners is one of the nation’s largest private energy infrastructure companies, owning and operating a unique portfolio of…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 275 contacts → | ||||
Partial evidence “Headquartered in Houston, Texas, Summit Midstream Corporation (NYSE: SMC) is a value-driven master limited partnership focused on developing, owning and operating midstream energy…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 271 contacts → | ||||
Partial evidence “Harvest Midstream is a privately-held midstream company services provider headquartered in Houston, Texas with assets in Alaska, Louisiana, New Mexico, Ohio, Pennsylvania and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 264 contacts → | ||||
Partial evidence “Kinetik is a fully integrated, pure-play, Permian-to-Gulf Coast midstream C-corporation operating in the Delaware Basin.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 217 contacts → | ||||
Partial evidence “Eco-Energy is a leading clean energy and midstream services company with over 30 years in operation.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 199 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 152 contacts → | ||||
Partial evidence “Texon is a midstream service provider of technology-based blending and niche energy marketing.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 151 contacts → | ||||
Indirect evidence “HOLLY ENERGY PARTNERS (NYSE: HEP) Holly Energy Partners, L.P.("HEP") is a Delaware limited partnership formed in early 2004 by HollyFrontier and is headquartered in Dallas, Texas.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: oil and gas midstream companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names oil and gas midstream companies.
- Partial evidence
- Its own public description names part of oil and gas midstream companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name oil and gas midstream companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 374 oil and gas midstream companies based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 16,792 reachable decision-makers.
Free signup · no credit card
Oil and gas midstream companies based in the United States at a glance
As of Sep 30, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 374 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among oil and gas midstream companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “oil and gas midstream companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names oil and gas midstream companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among oil and gas midstream companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 16,792 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Oil and gas midstream companies by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names oil and gas midstream companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many oil and gas midstream companies are there based in the United States?
RevenueBase identified 374 oil and gas midstream companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Kinder Morgan, INC, headquartered in Houston, tops this list with the largest team on record.
Which city has the most oil and gas midstream companies?
Houston leads with 102 headquartered companies, followed by Dallas (29) and Tulsa (19).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 16,792 verified decision-maker contacts tracked across these 374 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 374 oil and gas midstream companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Oil and gas midstream companies by geography
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil and gas midstream companies based in Dallas, United States
- Oil and gas midstream companies based in Houston, United States
- Oil and gas midstream companies based in Canada
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States