Company lists · Data refreshed September 2026
Top 25 Industrials private equity firms based in Houston, United States
RevenueBase identified 189 industrials private equity firms headquartered in Houston, United States as of September 2026 and tracks 2,119 professional contacts across them, including 1,107 with verified work emails. Across the United States, New York is the largest hub for this category (799 companies); Houston has 189.
This list covers industrials private equity firms headquartered in Houston, 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 28, 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 industrials private equity firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 173 contacts → | ||||
Strong evidence “Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 144 contacts → | ||||
Indirect evidence “Formed in 2005, Lime Rock Resources acquires, operates, and improves lower-risk oil and gas properties in the United States.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 131 contacts → | ||||
Indirect evidence “Main Street Capital (NYSE: MAIN) is a leading provider of long-term, flexible capital solutions to established lower middle market companies, supporting American businesses that…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 120 contacts → | ||||
Strong evidence “Founded in 1982, The Sterling Group, is a private equity investment firm that targets controlling interests in basic manufacturing, industrial services and distribution companies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 119 contacts → | ||||
Strong evidence “Founded in 2017, Ara Partners is a global private markets firm focused on decarbonizing the industrial economy.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 99 contacts → | ||||
Partial evidence “Established in 1997, ZT Corporate is a private investment firm with a portfolio in healthcare services and automotive dealerships.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 54 contacts → | ||||
Indirect evidence “Pickering Energy Partners (PEP) is an energy focused financial services platform.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 54 contacts → | ||||
Partial evidence “Founded in 1989, SCF Partners (“SCF”) provides equity capital and strategic growth assistance to build leading energy service and equipment companies that operate throughout the…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 49 contacts → | ||||
Indirect evidence “Founded in 1998, Lime Rock Partners is a creative, value-adding, and long-term investor of growth capital in global energy companies in the exploration & production, energy…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 48 contacts → | ||||
Strong evidence “Founded in 2009, EIV Capital is a Houston-based private equity firm specializing in providing growth equity to the North American energy industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 43 contacts → | ||||
Indirect evidence “Pan Capital is an energy-focused investment firm committed to identifying opportunities and delivering value for our investors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 42 contacts → | ||||
Partial evidence “GulfStar is one of the leading middle market investment banking firms in the United States, with deep experience in mergers and acquisitions, private capital placement and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 40 contacts → | ||||
Partial evidence “Trek One Capital is a family office backed private investment firm focused on lower and middle market acquisitions and strategic investments.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 32 contacts → | ||||
Partial evidence “EnCap Investments is a premier private markets investor with a multi-decade track record of value creation across the North American energy landscape.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 29 contacts → | ||||
Indirect evidence “Founded in 1990, Capstreet invests in lower middle market business services companies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 28 contacts → | ||||
Partial evidence “Pelican Energy Partners specializes in strategic investments in small to mid-sized, high-growth energy equipment and service companies within the oil & gas and nuclear sectors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 26 contacts → | ||||
Partial evidence “Founded in 2006, Platform Partners LLC is a Houston-based private investment firm that partners with founders and executives of companies with enterprise values typically between…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 22 contacts → | ||||
Strong evidence “Interra Capital is a boutique private equity and financial advisory firm headquartered in Houston, Texas with a primary focus on commercial real estate investments and secondary…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 21 contacts → | ||||
Indirect evidence “Yellowstone Capital Partners, LLC is based in Houston and New York.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 20 contacts → | ||||
Partial evidence “JDH Capital is a private investment firm based in Houston, TX.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 18 contacts → | ||||
Strong evidence “BroadVail Capital Partners is a private equity firm that partners with best-in-class management teams to build institutional real estate investment platforms.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 17 contacts → | ||||
Strong evidence “Lilium Group LLC (“Lilium”) is a Houston-based private equity fund manager focused on middle market investments in the transportation and industrials sectors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 16 contacts → | ||||
Indirect evidence “Founded in Genesis Park uses operational expertise, discipline and patience to build value for portfolio companies and investors, regardless of prevailing market conditions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Strong evidence “Post Oak Energy Capital is a Houston-based private equity firm primarily focused on making domestic investments in the upstream, midstream and oilfield services sectors of the…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 15 contacts → | ||||
Partial evidence “Apex Heritage Group is comprised of companies providing services and manufactured products to the global energy and industrial markets.” Source: RevenueBase Database · checked Sep 28, 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: industrials private equity firms. 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 industrials private equity firms.
- Partial evidence
- Its own public description names part of industrials private equity firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name industrials private equity firms. 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 189 industrials private equity firms based in Houston, United States
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Industrials private equity firms based in Houston, United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 189 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 industrials private equity firms, 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 Houston, United States whose own description of what they do matches “industrials private equity firms”. 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 industrials private equity firms), 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 industrials private equity firms, and records with no verified work email. Companies headquartered outside Houston 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, 1,107 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 28, 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.
Industrials private equity firms by metro in the United States
- Industrials private equity firms in New York799
- Industrials private equity firms in Chicago285
- Industrials private equity firms in Dallas265
- Industrials private equity firms in Los Angeles182
- Industrials private equity firms in Boston160
- Industrials private equity firms in Austin148
- Industrials private equity firms in Miami133
- Industrials private equity firms in San Francisco132
- Industrials private equity firms in Atlanta120
- Industrials private equity firms in Denver92
- Industrials private equity firms in Charlotte70
- Industrials private equity firms in Washington49
- Industrials private equity firms in Nashville45
- Industrials private equity firms in Newport Beach43
- Industrials private equity firms in Cleveland42
- Industrials private equity firms in Tampa42
- Industrials private equity firms in Seattle41
- Industrials private equity firms in Birmingham40
- Industrials private equity firms in Minneapolis40
- Industrials private equity firms in San Diego37
- Industrials private equity firms in Philadelphia36
- Industrials private equity firms in Boca Raton31
- Industrials private equity firms in Salt Lake City30
- Industrials private equity firms in Beverly Hills27
- Industrials private equity firms in Scottsdale27
- Industrials private equity firms in Cincinnati26
- Industrials private equity firms in Fort Lauderdale26
- Industrials private equity firms in Pittsburgh26
- Industrials private equity firms in West Palm Beach26
- Industrials private equity firms in Santa Monica25
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 industrials private equity firms, 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 industrials private equity firms are there based in Houston, United States?
RevenueBase identified 189 industrials private equity firms headquartered in Houston, 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?
Quantum Capital Group, headquartered in Houston, tops this list with the largest team on record.
Which city in the United States has the most industrials private equity firms?
New York leads the United States with 799 headquartered companies, followed by Chicago (285) and Dallas (265). Houston has 189.
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 1,107 verified decision-maker contacts tracked across these 189 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 28, 2026.
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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.
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