Company lists · Data refreshed September 2026
Top 25 Oil and gas field machinery installation companies based in Houston, United States
RevenueBase identified 210 oil and gas field machinery installation companies headquartered in Houston, United States as of September 2026 and tracks 22,940 professional contacts across them, including 4,298 with verified work emails. Houston is the largest hub.
This list covers oil and gas field machinery installation companies 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 15, 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 field machinery installation companies based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,865 contacts → | ||||
Indirect evidence “Nabors Industries is a leading provider of advanced technology for the energy industry.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,215 contacts → | ||||
Partial evidence “Oil States International, Inc.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,938 contacts → | ||||
Strong evidence “For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,387 contacts → | ||||
Indirect evidence “Dril-Quip is part of Innovex, a unique energy industrial platform.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,135 contacts → | ||||
Strong evidence “Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 857 contacts → | ||||
Indirect evidence “KLX Energy Services provides more than 100 mission-critical oilfield services, tools, technologies and equipment to some of the industry’s leading operators.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 686 contacts → | ||||
Strong evidence “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 635 contacts → | ||||
Partial evidence “Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 552 contacts → | ||||
Indirect evidence “Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 379 contacts → | ||||
Indirect evidence “Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 372 contacts → | ||||
Strong evidence “Cooper Machinery Services provides natural gas compression equipment and services to customers globally in the Oil & Gas, Power, Transportation, and Marine sectors.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 325 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 285 contacts → | ||||
Strong evidence “Greene’s Energy Group offers a range of support services and products to the oil and gas industry.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 284 contacts → | ||||
Strong evidence “Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 281 contacts → | ||||
Indirect evidence “Allrig is the one-stop shop partner for all your asset management needs; from inspection, service and repair, to maintenance and parts supply of key equipment.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 251 contacts → | ||||
Indirect evidence “Gulfspan Industrial, LLC is a mechanical construction and industrial services company that specializes in performing turnarounds, capital projects, and maintenance.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 223 contacts → | ||||
Indirect evidence “Yellowjacket Oilfield Services offers cost-effective solutions by leveraging state of the art equipment & technology along with superior personnel.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 193 contacts → | ||||
Indirect evidence “Gulf Island is a leading fabricator of complex steel structures and modules and provider of specialty services, including project management, hookup, commissioning, repair…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 191 contacts → | ||||
Indirect evidence “Getting it done right.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 186 contacts → | ||||
Strong evidence “Serving oil and gas basins throughout the continental US, Flowco is proud to advance the tradition of using Made in the USA, high-performance parts and components in all of our…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 166 contacts → | ||||
Strong evidence “Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 149 contacts → | ||||
Partial evidence “Borets is one of the leading manufacturers of oilfield equipment in the world offering a complete array of oil recovery products and services in the operation, repair, and…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 117 contacts → | ||||
Strong evidence “Blackhawk Specialty Tools provides oil and gas operators with engineered solutions that improve performance and efficiency.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 106 contacts → | ||||
Strong evidence “BWFS Industries has served the oil and gas industry for more than 25 years with ASME Division I and II vessel fabrication.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 103 contacts → | ||||
Indirect evidence “Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Source: RevenueBase Database · checked Sep 15, 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 field machinery installation 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 field machinery installation companies.
- Partial evidence
- Its own public description names part of oil and gas field machinery installation 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 field machinery installation 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 210 oil and gas field machinery installation companies based in Houston, United States
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Oil and gas field machinery installation companies based in Houston, United States at a glance
As of Sep 15, 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 210 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 field machinery installation 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 Houston, United States whose own description of what they do matches “oil and gas field machinery installation 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 field machinery installation 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 field machinery installation companies, 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, 4,298 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 15, 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 field machinery installation companies by metro in the United States
- Oil and gas field machinery installation companies in Houston210
- Oil and gas field machinery installation companies in Midland57
- Oil and gas field machinery installation companies in Odessa43
- Oil and gas field machinery installation companies in Broussard26
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 field machinery installation 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 field machinery installation companies are there based in Houston, United States?
RevenueBase identified 210 oil and gas field machinery installation companies 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?
Nabors Industries, headquartered in Houston, tops this list with the largest team on record.
Which city has the most oil and gas field machinery installation companies?
Houston leads with 210 headquartered companies, followed by Midland (57) and Odessa (43).
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 4,298 verified decision-maker contacts tracked across these 210 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 15, 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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