Company lists · Data refreshed September 2026

Top 25 Onshore pipeline contractors based in the United States

Name: Onshore pipeline 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 1,196 companies tracked

RevenueBase identified 1,196 company matches for onshore pipeline contractors associated with the United States as of September 2026 and tracks 47,701 professional contacts across them, including 13,696 with verified work emails. Houston is the largest hub.

This list covers company matches for onshore pipeline 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

1,196Companies

47,701Contacts tracked

13,696Verified emails

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The 25 largest onshore pipeline contractors based in the United States

Ranked by team size

Top 25 of 1,196 company matches for onshore pipeline 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	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
2	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,966 contacts →
	Exact match “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Quanta Services, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	10001+	1,783 contacts →
	Exact match “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	T.D. Williamson	Exact match	Tulsa, OK, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,618 contacts →
	Exact match “T.D.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	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
6	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
7	Tulsa Inspection Resources, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 17, 2026	1,001-5,000	770 contacts →
	Exact match “Core capabilities include: Inspection Services (Chief, CWI, NACE/AMPP, Utility, Environmental, Safety, Poly, etc), Non-Destructive Examination (Ultrasonic Testing (UT), Phased…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	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
9	WHC Energy Services	Exact match	Broussard, LA, United StatesHQ recorded Sep 17, 2026	n/a	736 contacts →
	Exact match “WHC - A Surerus Murphy Company, is a privately held general contractor who provides construction services for renewable services, pipeline and related facilities to the oil and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	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
11	GIS	Exact match	Galliano, LA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	612 contacts →
	Exact match “Established in 1948 in Grand Isle, LA, GIS began as a modest company serving the commercial fishing industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Applied Consultants	Exact match	Longview, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	578 contacts →
	Exact match “Since 1991, Applied Consultants Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Infrasource, A Quanta Services Company	Exact match	King Of Prussia, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	552 contacts →
	Exact match “As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	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
15	E2 Consulting Engineers, INC	Exact match	Emeryville, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	526 contacts →
	Exact match “Dedicated to “Excellence in Engineering,” E2 Consulting Engineers, Inc.(E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Quality Integrated Services, Inc. QIS	Exact match	Guymon, OK, United StatesHQ recorded Sep 17, 2026	1,001-5,000	524 contacts →
	Exact match “We’ve been a leader in the inspection and construction industry for over 25 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Loenbro	Exact match	Westminster, CO, United StatesHQ recorded Sep 17, 2026	1,001-5,000	504 contacts →
	Exact match “Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Express Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	379 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Southeast Connections LLC	Exact match	Conyers, GA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	374 contacts →
	Exact match “Since 1996 Southeast Connections, LLC is a contractor specializing in energy infrastructure serving the gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Sunland Construction, Inc. And Affiliates	Exact match	Eunice, LA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	364 contacts →
	Exact match “Our Mission: To be the premier provider for energy related construction services through a commitment to excellence in safety, production, and quality, with the resolve to…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Underground Construction Co., INC	Exact match	Benicia, CA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	328 contacts →
	Exact match “Underground Construction Co, Inc, headquartered in Benicia, California, has provided quality gas, power, airport fueling and telecom construction services for over 90 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Ensiteusa	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	201-500	322 contacts →
	Exact match “Leadership, accountability and integrity: Taken together, these three words sum up the core values that drive our mission to provide quality project management, engineering…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Kestrel Engineering, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	201-500	318 contacts →
	Exact match “Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Performance Energy Services, LLC	Exact match	Houma, LA, United StatesHQ recorded Sep 17, 2026	501-1,000	305 contacts →
	Exact match “Performance Energy Services, a Danos company, was formed in to deliver safe, client-focused support to the onshore and offshore energy markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Price Gregory International	Exact match	Katy, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	299 contacts →
	Exact match “Price Gregory International (PGI) specializes in large-diameter pipeline construction for oil, gas, and renewables, with the capacity to manage multiple large-scale projects…” 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 “onshore pipeline 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 1,196 onshore pipeline contractors based in the United States

See the full list, filter by size, metro and specialty, and access 13,696 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Onshore pipeline contractors based in the United States at a glance

As of Sep 17, 2026

28.7%Verified-email coverage

39.9Average contacts per company

11-50Median size (employees)

10.1%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

259

11-50

391

51-200

349

201-500

117

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 1,196 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 “onshore pipeline 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 13,696 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 “onshore pipeline contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many onshore pipeline contractors are there based in the United States?

RevenueBase identified 1,196 company matches for onshore pipeline 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?

Team, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most onshore pipeline contractors?

Houston leads with 121 company records, followed by Midland (32) and Tulsa (22).

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 13,696 professional contacts with verified work emails tracked across these 1,196 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.