Company lists · Data refreshed September 2026

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

RevenueBase identified 39 company matches for oil and gas processing plant contractors associated with Tulsa, United States as of September 2026 and tracks 2,605 professional contacts across them, including 734 with verified work emails. Across the United States, Houston is the largest hub for this category (214 companies); Tulsa has 39.

This list covers company matches for oil and gas processing plant contractors associated with Tulsa, 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
39Companies
2,605Contacts tracked
734Verified emails
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The 25 largest oil and gas processing plant contractors based in Tulsa, United States

Ranked by team size
Top 25 of 39 company matches for oil and gas processing plant contractors based in Tulsa, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 20261,001-5,000785 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
2Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 20261,001-5,000492 contacts →

Exact match

“Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 20261,001-5,000278 contacts →

Exact match

“The direct hire union subsidiary of Matrix Service Company (NASDAQ: MTRX), Matrix NAC provides procurement, construction, maintenance and repair services to the North American…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 2026201-500165 contacts →

Exact match

“Matrix PDM Engineering, a subsidiary of Matrix Service Company (Nasdaq: MTRX) provides multi-disciplinary engineering, procurement and construction management services to the…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 2026501-1,00095 contacts →

Exact match

“Integrated Service Company, LLC, is a trusted leading company in the Refining and Petrochemical industry, and we deliver efficiency and quality in all of our services: Field…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20095 contacts →

Exact match

“Select Engineering, Inc, is a privately-held company with offices in Tulsa,OK and Houston,TX.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20058 contacts →

Exact match

“Since 2013, Quest EPC has been constructing and servicing midstream and upstream facilities with our dedicated team of industry best technical resources.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-5056 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20047 contacts →

Exact match

“At Pipeline Equipment it’s more than just a slogan…it’s our founding principle.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20046 contacts →

Exact match

“QPSE in no longer in business.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20039 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20033 contacts →

Exact match

“Big Elk Energy Systems LLC was founded to bring the best possible talent and service to the energy industry.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-5029 contacts →

Exact match

“QPS Flint Construction (Flint) takes pride in a successful history constructing oil facilities, gas facilities and civil construction projects since 1957.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 2026201-50026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-5025 contacts →

Exact match

“We are a premier oilfield services firm specializing in drilling, completions, and flowback operations.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-5023 contacts →

Exact match

“Tulsa Heaters, Inc.(THI) is a private Engineering firm located in Tulsa, OK, celebrating 35 years of service to the global oil & gas industry.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-5017 contacts →

Exact match

“Western Filter Co, Inc.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-5016 contacts →

Exact match

“We focus on turn-key, standardized natural gas processing plants.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-20016 contacts →

Exact match

“At United Contracting Services, we have our ASME “U” and “S” stamps, as well as our NBIC “R” stamp.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 2026201-50011 contacts →

Exact match

“Mid-America Pipeline Construction is a privately owned & operated service provider of the oil & gas industry for over 30 years.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 2026201-50011 contacts →

Exact match

“Vanco is a solution-oriented company founded in 1951 to provide successful engineered solutions with best-in-class mechanical process equipment.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 20261-1010 contacts →

Exact match

“C5 Process Group Inc.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202611-509 contacts →

Exact match

“Resolute Engineering provides a full complement of services across the energy industry.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 202651-2009 contacts →

Exact match

“FieldPoint Energy Services is an oil and gas pipeline and facility construction company with operations in Texas and Oklahoma.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact matchTulsa, OK, United StatesHQ recorded Sep 17, 20261-109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 39 oil and gas processing plant contractors based in Tulsa, United States

See the full list, filter by size, metro and specialty, and access 734 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 Tulsa, United States at a glance

As of Sep 17, 2026
28.2%Verified-email coverage
66.8Average contacts per company
51-200Median size (employees)
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
6
11-50
12
51-200
10
201-500
6
501-1,000
2
1,001-5,000
3

Email recency for this list is measured across the whole United States list rather than for Tulsa, so it is reported there. Company counts and contact totals on this page are exact for Tulsa, over 39 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 Tulsa, 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 734 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 “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 Tulsa, United States?

RevenueBase identified 39 company matches for oil and gas processing plant contractors associated with Tulsa, 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?

Matrix Service Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

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

Houston leads the United States 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 734 professional contacts with verified work emails tracked across these 39 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.

Ready to reach these companies? Verified emails and direct dials for all 39 oil and gas processing plant contractors based in Tulsa, United States. Start with a free account, no credit card.

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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.