Company lists · Data refreshed September 2026

Top 25 Pipeline welding and fabrication companies based in Houston, United States

Name: Pipeline welding and fabrication companies based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 172 companies tracked

RevenueBase identified 172 pipeline welding and fabrication companies headquartered in Houston, United States as of September 2026 and tracks 9,268 professional contacts across them, including 3,612 with verified work emails. Houston is the largest hub.

This list covers pipeline welding and fabrication companies headquartered in Houston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

172Companies

9,268Contacts tracked

3,612Verified emails

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The 25 largest pipeline welding and fabrication companies based in Houston, United States

Ranked by team size

Top 25 of 172 pipeline welding and fabrication companies based in Houston, United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to pipeline welding and fabrication companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Quanta Services, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	10001+	1,783 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
2	Audubon Companies	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	1,488 contacts →
	Partial evidence “Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Source: RevenueBase Database · checked Sep 17, 2026
3	DNOW	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	5,001-10,000	976 contacts →
	Indirect evidence “DNOW is a premier energy and industrial solutions provider with a legacy of over 160 years as a leading distributor of pipe, valves, fittings (PVF), pumps and fabricated equipment.” Source: RevenueBase Database · checked Sep 17, 2026
4	Willbros	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	10001+	665 contacts →
	Indirect evidence “Primoris is a specialty energy infrastructure contractor serving the oil and gas and power industries with offerings that primarily include construction, maintenance and…” Source: RevenueBase Database · checked Sep 17, 2026
5	Troy Companies	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	529 contacts →
	Partial evidence “Troy has been serving the pipeline industry by providing safe and efficient pipeline construction and maintenance for more than 70 years.” Source: RevenueBase Database · checked Sep 17, 2026
6	The Shaw Group	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	462 contacts →
	Partial evidence “With over 1.9 million square feet of fabrication and manufacturing capacity worldwide, The Shaw Group offers premier project delivery services, module fabrication (including…” Source: RevenueBase Database · checked Sep 17, 2026
7	Spitzer Industries, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	285 contacts →
	Indirect evidence “Houston-based Spitzer Industries, Inc.” Source: RevenueBase Database · checked Sep 17, 2026
8	Gulfspan Industrial LLC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	251 contacts →
	Indirect evidence “Gulfspan Industrial, LLC is a mechanical construction and industrial services company that specializes in performing turnarounds, capital projects, and maintenance.” Source: RevenueBase Database · checked Sep 17, 2026
9	Summit Industrial	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	239 contacts →
	Indirect evidence “Founded in 1996, Summit Industrial is a Specialty Mechanical Contractor that offers full-service engineering, design-assist and turnkey, direct hire construction services.” Source: RevenueBase Database · checked Sep 17, 2026
10	Weldfit	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	195 contacts →
	Partial evidence “For over 50 years, WeldFit has been a leading global manufacturer of standard and custom products for the pipeline, oilfield, refining, and petrochemical industries, and dedicated…” Source: RevenueBase Database · checked Sep 17, 2026
11	Gulf Island	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	193 contacts →
	Indirect evidence “Gulf Island is a leading fabricator of complex steel structures and modules and provider of specialty services, including project management, hookup, commissioning, repair…” Source: RevenueBase Database · checked Sep 17, 2026
12	MPG Pipeline Contractors, LLC	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	201-500	151 contacts →
	Partial evidence “MPG Pipeline Contractors, LLC is a wholly-owned subsidiary of Partners Pipeline Construction, LLC with corporate offices located in Houston, TX & New Iberia, LA.” Source: RevenueBase Database · checked Sep 17, 2026
13	Specialized Fabrication Equipment S.F.E. Group	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	201-500	109 contacts →
	Partial evidence “The Specialized Fabrication Equipment Group (in short: S.F.E.” Source: RevenueBase Database · checked Sep 17, 2026
14	U.S. Pipeline	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	106 contacts →
	Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 17, 2026
15	Bwfs Industries, LLC	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	106 contacts →
	Partial evidence “BWFS Industries has served the oil and gas industry for more than 25 years with ASME Division I and II vessel fabrication.” Source: RevenueBase Database · checked Sep 17, 2026
16	JD Fields & Company, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	85 contacts →
	Indirect evidence “JD Fields & Company, Inc.(JDF) is a steel distributor based in Houston, Texas.” Source: RevenueBase Database · checked Sep 17, 2026
17	Csnri Composites	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	80 contacts →
	Indirect evidence “CSNRI Composites is the world’s leading manufacturer of proven, highly-engineered products for the repair and rehabilitation of critical infrastructure.” Source: RevenueBase Database · checked Sep 17, 2026
18	Able Industrial	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	201-500	62 contacts →
	Strong evidence “ABLE Industrial delivers top-tier construction, fabrication, and specialty welding services across industries like food & beverage, petrochemical, power, and manufacturing.” Source: RevenueBase Database · checked Sep 17, 2026
19	Freedom Waterworks	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	58 contacts →
	Indirect evidence “At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Source: RevenueBase Database · checked Sep 17, 2026
20	Universal Steel America	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	56 contacts →
	Indirect evidence “Universal Steel America is the leading North American specialty steel plate fabricator specializing in providing steel plate and component parts to the Wind, Power Gen, Pressure…” Source: RevenueBase Database · checked Sep 17, 2026
21	Acute Technological Services	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	55 contacts →
	Partial evidence “Based in Houston, Texas, Acute Technological Services (ATS) provides welding engineering and welding services worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
22	Mobil Steel International, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	54 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
23	Myrex Industries	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	51 contacts →
	Indirect evidence “Myrex Industries is an AISC-certified steel fabricator in Houston, TX.” Source: RevenueBase Database · checked Sep 17, 2026
24	Constellation Industries	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	47 contacts →
	Partial evidence “Constellation Industries, LLC is an innovative pipe fabrication and service company providing unique value to customers in the Oil & Gas, Petrochemical, Power and Industrial…” Source: RevenueBase Database · checked Sep 17, 2026
25	U.S. Metals, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	46 contacts →
	Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pipeline welding and fabrication companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pipeline welding and fabrication companies.
Partial evidence: Its own public description names part of pipeline welding and fabrication companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pipeline welding and fabrication companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 172 pipeline welding and fabrication companies based in Houston, United States

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Pipeline welding and fabrication companies based in Houston, United States at a glance

As of Sep 17, 2026

39.0%Verified-email coverage

53.9Average contacts per company

11-50Median size (employees)

100.0%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 172 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pipeline welding and fabrication companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Houston, United States whose own description of what they do matches “pipeline welding and fabrication companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pipeline welding and fabrication companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pipeline welding and fabrication companies, and records with no verified work email. Companies headquartered outside Houston are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,612 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Pipeline welding and fabrication companies by metro in the United States

Pipeline welding and fabrication companies in Houston172
Pipeline welding and fabrication companies in Tulsa32
Pipeline welding and fabrication companies in Midland29

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pipeline welding and fabrication companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many pipeline welding and fabrication companies are there based in Houston, United States?

RevenueBase identified 172 pipeline welding and fabrication companies headquartered in Houston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Quanta Services, INC, headquartered in Houston, tops this list with the largest team on record.

Which city has the most pipeline welding and fabrication companies?

Houston leads with 172 headquartered companies, followed by Tulsa (32) and Midland (29).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,612 verified decision-maker contacts tracked across these 172 companies.

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 Smart Search, 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.