Company lists · Data refreshed September 2026

Top 25 Oil and gas supply companies based in Houston, United States

RevenueBase identified 273 oil and gas supply companies headquartered in Houston, United States as of September 2026 and tracks 88,912 professional contacts across them, including 23,366 with verified work emails. Houston is the largest hub.

This list covers oil and gas supply 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 21, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
273Companies
88,912Contacts tracked
23,366Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest oil and gas supply companies based in Houston, United States

Ranked by team size
Top 25 of 273 oil and gas supply companies based in Houston, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to oil and gas supply companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 202610001+53,380 contacts →

Indirect evidence

“We collaborate and engineer solutions to maximize asset value for our customers.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 202610001+5,865 contacts →

Indirect evidence

“Nabors Industries is a leading provider of advanced technology for the energy industry.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceHouston, United StatesHQ checked Sep 21, 20265,001-10,0003,683 contacts →

Indirect evidence

“National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,0002,755 contacts →

Indirect evidence

“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.”

Source: RevenueBase Database · checked Sep 21, 2026
5Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 202610001+2,317 contacts →

Strong evidence

“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceHouston, TX, United StatesHQ checked Sep 21, 20265,001-10,0002,215 contacts →

Partial evidence

Oil States International, Inc.”

Source: RevenueBase Database · checked Sep 21, 2026
7Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,0001,938 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 21, 2026
8Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,0001,387 contacts →

Indirect evidence

“Dril-Quip is part of Innovex, a unique energy industrial platform.”

Source: RevenueBase Database · checked Sep 21, 2026
9Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,0001,262 contacts →

Strong evidence

“FET (Forum Energy Technologies, Inc.) is a global company, serving the crude oil, natural gas, and renewable energy industries.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,0001,182 contacts →

Indirect evidence

“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…”

Source: RevenueBase Database · checked Sep 21, 2026
11Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,0001,135 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 21, 2026
12Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,000857 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 21, 2026
13Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,000712 contacts →

Indirect evidence

“With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,000635 contacts →

Indirect 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 21, 2026
15Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 2026201-500424 contacts →

Strong evidence

“EnerVest is a top-tier, low-cost oil and natural gas operating company.”

Source: RevenueBase Database · checked Sep 21, 2026
16Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 2026n/a386 contacts →

Strong evidence

“Rigzone is the leading online resource for the oil and gas industry.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 2026501-1,000379 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 21, 2026
18Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 2026501-1,000372 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 21, 2026
19Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 20261,001-5,000325 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 2026201-500301 contacts →

Strong evidence

“Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.”

Source: RevenueBase Database · checked Sep 21, 2026
21Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 2026201-500285 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 21, 2026
22Strong evidenceHouston, TX, United StatesHQ checked Sep 21, 2026201-500284 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 21, 2026
23Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 2026201-500223 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 21, 2026
24Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 2026501-1,000191 contacts →

Indirect evidence

“Getting it done right.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceHouston, TX, United StatesHQ checked Sep 21, 202651-200155 contacts →

Indirect evidence

“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 273 oil and gas supply companies based in Houston, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 23,366 reachable decision-makers.

Free signup · no credit card

View the full list →

Oil and gas supply companies based in Houston, United States at a glance

As of Sep 21, 2026
26.3%Verified-email coverage
325.7Average contacts per company
11-50Median size (employees)
100.0%Largest-city concentration · Houston
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
90
11-50
77
51-200
50
201-500
17
501-1,000
13
1,001-5,000
17
5,001-10,000
5
10001+
4

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 273 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 supply 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 supply 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 supply 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 supply 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, 23,366 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 21, 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.

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 supply 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 supply companies are there based in Houston, United States?

RevenueBase identified 273 oil and gas supply 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?

Halliburton, headquartered in Houston, tops this list with the largest team on record.

Which city has the most oil and gas supply companies?

Houston leads with 273 headquartered companies, followed by Midland (81) and Odessa (57).

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 23,366 verified decision-maker contacts tracked across these 273 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 273 oil and gas supply companies based in Houston, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.