Company lists · Data refreshed October 2026

Top 25 Oil & gas pipeline consulting services based in the United States

Name: Oil & gas pipeline consulting services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 2,348 companies tracked

RevenueBase identified 2,348 company matches for oil & gas pipeline consulting services associated with the United States as of October 2026 and tracks 69,149 professional contacts across them, including 21,239 with verified work emails. Houston is the largest hub.

This list covers company matches for oil & gas pipeline consulting services 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 October 28, 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 Oct 28, 2026 How this list was built

2,348Companies

69,149Contacts tracked

21,239Verified emails

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The 25 largest oil & gas pipeline consulting services based in the United States

Ranked by team size

Top 25 of 2,348 company matches for oil & gas pipeline consulting services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Oct 28, 2026	1,001-5,000	3,020 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 · Oct 28, 2026 · View company records in RevenueBase
2	T.D. Williamson	Exact match	Tulsa, OK, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,691 contacts →
	Exact match “T.D.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Audubon Companies	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,652 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 · Oct 28, 2026 · View company records in RevenueBase
4	Atwell, LLC	Exact match	Southfield, MI, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,499 contacts →
	Exact match “Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Partner Engineering & Science, INC	Exact match	Torrance, CA, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,418 contacts →
	Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Knight Piesold	Exact match	Denver, CO, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,326 contacts →
	Exact match “Knight Piésold is an employee-owned, global consulting firm providing specialist services to the mining, power, water resources, and infrastructure industries.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Gulf Companies	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,171 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 · Oct 28, 2026 · View company records in RevenueBase
8	Tuboscope	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	1,064 contacts →
	Exact match “For more than 85 years, Tuboscope™ has provided the industry with tubular expertise and an integrated suite of value-added solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Percheron, LLC	Exact match	Katy, TX, United StatesHQ recorded Oct 28, 2026	501-1,000	831 contacts →
	Exact match “Percheron streamlines energy infrastructure projects through a comprehensive EPCM (Engineering, Procurement, Construction Management) approach.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Hatch Mott Macdonald	Exact match	Iselin, NJ, United StatesHQ recorded Oct 28, 2026	1,001-5,000	785 contacts →
	Exact match “This page is now closed.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	WHC Energy Services	Exact match	Broussard, LA, United StatesHQ recorded Oct 28, 2026	n/a	772 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 · Oct 28, 2026 · View company records in RevenueBase
12	Precision Pipeline, LLC	Exact match	Eau Claire, WI, United StatesHQ recorded Oct 28, 2026	1,001-5,000	748 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 · Oct 28, 2026 · View company records in RevenueBase
13	EDG	Exact match	Metairie, LA, United StatesHQ recorded Oct 28, 2026	501-1,000	736 contacts →
	Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Willbros	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	724 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 · Oct 28, 2026 · View company records in RevenueBase
15	Fesco, LTD	Exact match	Alice, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	652 contacts →
	Exact match “FESCO is a diversified energy services company providing quality equipment and experienced personnel since 1949.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	GIS	Exact match	Galliano, LA, United StatesHQ recorded Oct 28, 2026	1,001-5,000	640 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 · Oct 28, 2026 · View company records in RevenueBase
17	Applied Consultants	Exact match	Longview, TX, United StatesHQ recorded Oct 28, 2026	501-1,000	598 contacts →
	Exact match “Since 1991, Applied Consultants Inc.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Cleveland Integrity Services	Exact match	Cleveland, OK, United StatesHQ recorded Oct 28, 2026	1,001-5,000	560 contacts →
	Exact match “Cleveland Integrity Services offers support services to companies in the Energy, Telecommunications, and Power industries.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Troy Companies	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	558 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 · Oct 28, 2026 · View company records in RevenueBase
20	BECHT	Exact match	Liberty Corner, NJ, United StatesHQ recorded Oct 28, 2026	501-1,000	544 contacts →
	Exact match “Becht partners with industrial operators across the energy and process sectors to solve complex challenges that impact safety, reliability, and profitability.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Quality Integrated Services, Inc. QIS	Exact match	Guymon, OK, United StatesHQ recorded Oct 28, 2026	1,001-5,000	535 contacts →
	Exact match “We’ve been a leader in the inspection and construction industry for over 25 years.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Epic Piping	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 28, 2026	1,001-5,000	534 contacts →
	Exact match “EPIC Piping is one of the world’s largest privately owned pipe fabrication, pipe supports and PFF distribution firms, delivering precision-manufactured solutions to a diverse…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Hunt Guillot & Associates HGA	Exact match	Ruston, LA, United StatesHQ recorded Oct 28, 2026	501-1,000	516 contacts →
	Exact match “HGA is a leading engineering, consulting, and program management company that has been delivering innovative and sustainable solutions to our clients for over 29 years.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	E2 Consulting Engineers, INC	Exact match	Emeryville, CA, United StatesHQ recorded Oct 28, 2026	501-1,000	515 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 · Oct 28, 2026 · View company records in RevenueBase
25	Anvil Corporation	Exact match	Bellingham, WA, United StatesHQ recorded Oct 28, 2026	201-500	447 contacts →
	Exact match “Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…” Recorded in the RevenueBase company graph · Oct 28, 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 & gas pipeline consulting services”. 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 2,348 oil & gas pipeline consulting services based in the United States

See the full list, filter by size, metro and specialty, and access 21,239 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil & gas pipeline consulting services based in the United States at a glance

As of Oct 28, 2026

30.7%Verified-email coverage

29.5Average contacts per company

11-50Median size (employees)

19.0%Largest-city concentration · Houston

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

958

11-50

746

51-200

420

201-500

138

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 2,348 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 & gas pipeline consulting services” 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 21,239 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 October 28, 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 & gas pipeline consulting services 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 & gas pipeline consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil & gas pipeline consulting services are there based in the United States?

RevenueBase identified 2,348 company matches for oil & gas pipeline consulting services associated with the United States as of October 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?

Entrust Solutions Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil & gas pipeline consulting services?

Houston leads with 445 company records, followed by Midland (61) and Denver (46).

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 21,239 professional contacts with verified work emails tracked across these 2,348 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 October 28, 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.