Company lists · Data refreshed September 2026

Top 25 Oil and gas processing plant contractors based in the United States

Name: Oil and gas processing plant 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 1,708 companies tracked

RevenueBase identified 1,708 company matches for oil and gas processing plant contractors associated with the United States as of September 2026 and tracks 119,826 professional contacts across them, including 30,176 with verified work emails. Houston is the largest hub.

This list covers company matches for oil and gas processing plant 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

1,708Companies

119,826Contacts tracked

30,176Verified emails

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The 25 largest oil and gas processing plant contractors based in the United States

Ranked by team size

Top 25 of 1,708 company matches for oil and gas processing plant 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	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
2	Turner Industries	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 17, 2026	10001+	8,018 contacts →
	Exact match “Turner Industries provides a single solution in heavy industrial construction, maintenance, turnaround, pipe and module fabrication, equipment, rigging and specialized…” 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	S&b	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	3,510 contacts →
	Exact match “S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” 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	Michels Corporation	Exact match	Brownsville, WI, United StatesHQ recorded Sep 17, 2026	10001+	2,339 contacts →
	Exact match “Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.” 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	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
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	NPL Construction CO	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 17, 2026	5,001-10,000	1,358 contacts →
	Exact match “NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	CCC Group, INC	Exact match	San Antonio, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,353 contacts →
	Exact match “Group, Inc.” 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	Mears Group, INC	Exact match	Englewood, CO, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,143 contacts →
	Exact match “Mears is an industry-leading energy infrastructure solutions provider offering engineering, construction and maintenance services to the oil and natural gas, electric transmission…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,077 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Gulf Companies	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,046 contacts →
	Exact match “At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” 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	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
20	Percheron, LLC	Exact match	Katy, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	776 contacts →
	Exact match “Percheron streamlines energy infrastructure projects through a comprehensive EPCM (Engineering, Procurement, Construction Management) approach.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Precision Pipeline, LLC	Exact match	Eau Claire, WI, United StatesHQ recorded Sep 17, 2026	1,001-5,000	737 contacts →
	Exact match “As the first pipeline contractor designed to work within today's stringent pipeline construction parameters, Precision Pipeline is the next generation pipeline contractor.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	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
23	EDG	Exact match	Metairie, LA, United StatesHQ recorded Sep 17, 2026	501-1,000	700 contacts →
	Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	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
25	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

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 and gas processing plant 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 1,708 oil and gas processing plant contractors based in the United States

See the full list, filter by size, metro and specialty, and access 30,176 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas processing plant contractors based in the United States at a glance

As of Sep 17, 2026

25.2%Verified-email coverage

70.2Average contacts per company

11-50Median size (employees)

12.5%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

356

11-50

585

51-200

453

201-500

163

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 1,708 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 and gas processing plant 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 30,176 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 and gas processing plant 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 and gas processing plant contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas processing plant contractors are there based in the United States?

RevenueBase identified 1,708 company matches for oil and gas processing plant 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?

Mcdermott International, LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil and gas processing plant contractors?

Houston leads with 214 company records, followed by Midland (49) and Tulsa (39).

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 30,176 professional contacts with verified work emails tracked across these 1,708 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.