Company lists · Data refreshed September 2026

Top 25 Oil refinery equipment contractors based in the United States

Name: Oil refinery equipment contractors based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,738 companies tracked

RevenueBase identified 1,738 company matches for oil refinery equipment contractors associated with the United States as of September 2026 and tracks 170,870 professional contacts across them, including 51,253 with verified work emails. Houston is the largest hub.

This list covers company matches for oil refinery equipment contractors associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

1,738Companies

170,870Contacts tracked

51,253Verified emails

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The 25 largest oil refinery equipment contractors based in the United States

Ranked by team size

Top 25 of 1,738 company matches for oil refinery equipment contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Baker Hughes	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	10001+	61,166 contacts →
	Exact match “Baker Hughes (NASDAQ: BKR) is an energy technology company that provides solutions for energy and industrial customers worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	10001+	20,135 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Sep 17, 2026	10001+	6,824 contacts →
	Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Team, INC	Exact match	Sugar Land, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	3,460 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	FTI	Exact match	Menasha, WI, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,741 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	OIL States International	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	2,215 contacts →
	Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 17, 2026	5,001-10,000	1,940 contacts →
	Exact match “Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Superior Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,938 contacts →
	Exact match “For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Audubon Companies	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,488 contacts →
	Exact match “Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Bilfinger North America	Exact match	The Woodlands, TX, United StatesHQ recorded Sep 17, 2026	10001+	1,400 contacts →
	Exact match “As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Dril-Quip	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,387 contacts →
	Exact match “Dril-Quip is part of Innovex, a unique energy industrial platform.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	1,371 contacts →
	Exact match “Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Englobal	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	201-500	1,183 contacts →
	Exact match “Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Strike	Exact match	Spring, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,155 contacts →
	Exact match “Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Stewart & Stevenson	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,135 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Celeros Flow Technology	Exact match	Charlotte, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	928 contacts →
	Exact match “Your "FULL-LIFECYCLE" Partner for Sustainable Flow Technology Solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Repcon, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	877 contacts →
	Exact match “Repcon has earned a reputation for leading the industry in turnarounds, specialty welding, construction, pipe fabrication, and maintenance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Starcon International, INC	Exact match	La Porte, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	866 contacts →
	Exact match “Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	KLX Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	857 contacts →
	Exact match “KLX Energy Services provides more than 100 mission-critical oilfield services, tools, technologies and equipment to some of the industry’s leading operators.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Matrix Service Company	Exact match	Tulsa, OK, United StatesHQ recorded Sep 17, 2026	1,001-5,000	785 contacts →
	Exact match “Matrix Service Company (Nasdaq: MTRX) is a leading specialty engineering and construction company whose commitment to safety, quality, and integrity has earned its subsidiaries a…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Hydrochempsc	Exact match	Deer Park, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	718 contacts →
	Exact match “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Puffer-Sweiven	Exact match	Stafford, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	688 contacts →
	Exact match “Puffer‑Sweiven has supported process operations for over 80 years-helping facilities run safer, smarter, and more reliably.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Wyatt Field Service Company	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	686 contacts →
	Exact match “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Vepica	Exact match	Katy, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	680 contacts →
	Exact match “Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Willbros	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	10001+	665 contacts →
	Exact match “Primoris is a specialty energy infrastructure contractor serving the oil and gas and power industries with offerings that primarily include construction, maintenance and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “oil refinery equipment contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,738 oil refinery equipment contractors based in the United States

See the full list, filter by size, metro and specialty, and access 51,253 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil refinery equipment contractors based in the United States at a glance

As of Sep 17, 2026

30.0%Verified-email coverage

98.3Average contacts per company

11-50Median size (employees)

15.7%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

415

11-50

611

51-200

413

201-500

157

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,738 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “oil refinery equipment contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 51,253 professional contacts with verified work emails across the full matched dataset. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Oil refinery equipment contractors by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oil refinery equipment contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil refinery equipment contractors are there based in the United States?

RevenueBase identified 1,738 company matches for oil refinery equipment contractors associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Baker Hughes tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil refinery equipment contractors?

Houston leads with 273 company records, followed by Tulsa (38) and Midland (36).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 51,253 professional contacts with verified work emails tracked across these 1,738 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 SmartSearch, 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.