Company lists · Data refreshed September 2026

Top 25 Refinery maintenance contractors based in the United States

Name: Refinery maintenance 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 829 companies tracked

RevenueBase identified 829 company matches for refinery maintenance contractors associated with the United States as of September 2026 and tracks 35,349 professional contacts across them, including 8,448 with verified work emails. Houston is the largest hub.

This list covers company matches for refinery maintenance 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

829Companies

35,349Contacts tracked

8,448Verified emails

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The 25 largest refinery maintenance contractors based in the United States

Ranked by team size

Top 25 of 829 company matches for refinery maintenance 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	Performance Contractors	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,757 contacts →
	Exact match “We began as a merit shop general industrial contractor back in 1979.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	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
3	Austin Industrial, INC	Exact match	La Porte, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,649 contacts →
	Exact match “Austin Industrial delivers premier maintenance, construction, and soft craft services to the nation’s leading producers of oil, gas & chemicals; energy; and manufactured goods.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	USA Debusk	Exact match	Deer Park, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	640 contacts →
	Exact match “USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	The Mundy Companies	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	564 contacts →
	Exact match “The Mundy Companies is a privately owned company headquartered in Houston, Texas with offices Pasadena, TX, Nederland, TX, and Wilmington, NC.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Troy Companies	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	529 contacts →
	Exact match “Troy has been serving the pipeline industry by providing safe and efficient pipeline construction and maintenance for more than 70 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Turn2 Specialty Companies	Exact match	Baytown, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	475 contacts →
	Exact match “Turn2 Specialty Companies is the premier provider of specialty turnaround services in the refining, petrochemical, and power industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Evergreen North America Industrial Services	Exact match	La Porte, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	468 contacts →
	Exact match “Evergreen North America Industrial Services offers a comprehensive range of Industrial Services for oil refineries, petrochemical plants, power generation plants, manufacturing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	CAM Industrial Solutions LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	434 contacts →
	Exact match “With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	The Stronghold Companies	Exact match	La Porte, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	419 contacts →
	Exact match “As part of the Quanta Services Family of Companies (NYSE: PWR)- Stronghold provides the safest, leanest, most efficient, quality solutions for the refinery, petrochemical and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Nooter Construction	Exact match	Fenton, MO, United StatesHQ recorded Sep 17, 2026	1,001-5,000	410 contacts →
	Exact match “NOOTER is a fully integrated turnkey construction, multi-craft, construction engineering and maintenance contractor, with an unrivaled track record of success in the industrial…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Partner Industrial	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	353 contacts →
	Exact match “Partner Industrial is a preferred and trusted provider of specialty maintenance services to the downstream energy, power generation, and industrial markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Cust-O-Fab	Exact match	Sand Springs, OK, United StatesHQ recorded Sep 17, 2026	201-500	327 contacts →
	Exact match “Since 1972, CUST-O-FAB has maintained a reputation of consistently providing quality ASME Code fabricated equipment and on-site services for the refining, petrochemical, syngas…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Echo Maintenance LLC	Exact match	Nederland, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	301 contacts →
	Exact match “Echo Maintenance is a full-service industrial general contractor providing diverse support for maintenance, capital projects and turnarounds to petrochemical and chemical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Altairstrickland, LLC	Exact match	La Porte, TX, United StatesHQ recorded Sep 17, 2026	201-500	275 contacts →
	Exact match “AltairStrickland is a specialty mechanical contracting company serving the refining, petrochemical, power and fertilizer industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Udelhoven	Exact match	Anchorage, AK, United StatesHQ recorded Sep 17, 2026	201-500	233 contacts →
	Exact match “Udelhoven Company founded in 1970 is a privately held full service construction, operations and maintenance company offering diversified products and services from oil field…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	TIMEC	Exact match	Pasadena, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	198 contacts →
	Exact match “TIMEC, founded in 1971, has over 50 years of experience delivering best-in-class safety, quality, and efficiency.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	United Group Services, INC	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 17, 2026	201-500	189 contacts →
	Exact match “United Group Services (UGS) is dedicated to providing leading-edge industrial & mechanical contracting, including process & utility piping, sanitary tubing, insulation…” 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 “refinery maintenance 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 829 refinery maintenance contractors based in the United States

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Refinery maintenance contractors based in the United States at a glance

As of Sep 17, 2026

23.9%Verified-email coverage

42.6Average contacts per company

11-50Median size (employees)

8.9%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

213

11-50

260

51-200

225

201-500

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 829 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 “refinery maintenance 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 8,448 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.

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 “refinery maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 829 company matches for refinery maintenance 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?

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

Which city has the most refinery maintenance contractors?

Houston leads with 74 company records, followed by Midland (20) and Deer Park (16).

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 8,448 professional contacts with verified work emails tracked across these 829 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.