Company lists · Data refreshed September 2026

Top 25 Alloy steel pipe manufacturers based in Houston, United States

Name: Alloy steel pipe manufacturers 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 61 companies tracked

RevenueBase identified 61 alloy steel pipe manufacturers headquartered in Houston, United States as of September 2026 and tracks 2,467 professional contacts across them, including 729 with verified work emails and 970 with mobile numbers. Across the United States, Houston is the largest hub for this category.

This list covers alloy steel pipe manufacturers 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

61Companies

2,467Contacts tracked

729Verified emails

970Mobile numbers

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The 25 largest alloy steel pipe manufacturers based in Houston, United States

Ranked by team size

Top 25 of 61 alloy steel pipe manufacturers 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 alloy steel pipe manufacturers: 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	TMK Ipsco	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	612 contacts →
	Indirect evidence “TMK IPSCO is now part of Tenaris.” Source: RevenueBase Database · checked Sep 17, 2026
2	Vallourec	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	575 contacts →
	Indirect evidence “Vallourec is North America’s #1 domestic producer of premium tubular solutions primarily serving the energy markets (oil and gas, powergen): seamless Oil Country Tubular Goods…” Source: RevenueBase Database · checked Sep 17, 2026
3	Energy Alloys Global Solutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	303 contacts →
	Indirect evidence “EAGS and EAGS-Americas are the only 100% oil and gas focused suppliers of specialty metals to the global oilfield industry.” Source: RevenueBase Database · checked Sep 17, 2026
4	Tex-Isle, INC	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	201-500	86 contacts →
	Strong evidence “Starting in the late Tex-Isle started a vertical integration process to position itself as the most competitive distributor of steel pipe and tube.” Source: RevenueBase Database · checked Sep 17, 2026
5	American Alloy Steel INC	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	201-500	83 contacts →
	Strong evidence “We supply high-quality alloy and carbon steel plate, precision flame-cut shapes, round bar, and flat bar to customers around the world.” Source: RevenueBase Database · checked Sep 17, 2026
6	TEX Tube Company	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	62 contacts →
	Strong evidence “Tex-Tube is a leading manufacturer of high-quality ERW steel pipe.” Source: RevenueBase Database · checked Sep 17, 2026
7	Welding Outlets Inc. WOI	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	61 contacts →
	Strong evidence “Welding Outlets, Inc.(WOI) is a certified Woman-owned manufacturer of high pressure steel piping components located in Houston, Texas USA.” Source: RevenueBase Database · checked Sep 17, 2026
8	Marubeni-Itochu Tubulars America INC	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	56 contacts →
	Partial evidence “Marubeni-Itochu Tubulars America Inc.(MITI) is a wholly-owned subsidiary of Marubeni-Itochu Steel Inc, Japan (MISI) that was formed on October 1, 2001 with the merger of the Steel…” Source: RevenueBase Database · checked Sep 17, 2026
9	Myrex Industries	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	51 contacts →
	Partial evidence “Myrex Industries is an AISC-certified steel fabricator in Houston, TX.” Source: RevenueBase Database · checked Sep 17, 2026
10	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
11	Steel Alloys & Services - Corporate	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	38 contacts →
	Strong evidence “At Steel Alloys & Services, we specialize in delivering high-quality steel products and services to the oil and gas sector.” Source: RevenueBase Database · checked Sep 17, 2026
12	Texas Iron & Metal	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	32 contacts →
	Strong evidence “Texas Iron & Metal buys and sells quality Prime and Less-Than-Prime© steel, pipe and other industrial products.” Source: RevenueBase Database · checked Sep 17, 2026
13	Sigma Tube & BAR	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	32 contacts →
	Strong evidence “Sigma Tube & Bar supplies steel to oil and gas equipment manufacturers.” Source: RevenueBase Database · checked Sep 17, 2026
14	GMI Group	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	32 contacts →
	Strong evidence “For almost fifty years Warren Alloy has been a master distributor of stainless steel and high alloy pipe, tubing, fittings, flanges and its exclusive line of Warren Valves.” Source: RevenueBase Database · checked Sep 17, 2026
15	Federal Steel Supply	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	28 contacts →
	Partial evidence “Federal Steel Supply, Inc.” Source: RevenueBase Database · checked Sep 17, 2026
16	John Lawrie Tubulars USA	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	26 contacts →
	Indirect evidence “Headquartered in Houston, Texas, we are America's no.” Source: RevenueBase Database · checked Sep 17, 2026
17	WFI International	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	23 contacts →
	Partial evidence “WFI International engineers and manufacturers a variety of piping products, branch connections, specialty fittings, and pressure vessel components.” Source: RevenueBase Database · checked Sep 17, 2026
18	Cyclone Steel Services	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	22 contacts →
	Partial evidence “Cyclone Steel offers an extensive selection of fully traceable steel plate in industry‐standard oilfield, pressure vessel and structural grades.” Source: RevenueBase Database · checked Sep 17, 2026
19	Interpipe, INC	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1-10	20 contacts →
	Strong evidence “Interpipe is a global supplier of steel pipe, products and services for the energy sector.” Source: RevenueBase Database · checked Sep 17, 2026
20	Seba Metals	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	20 contacts →
	Partial evidence “We appreciate the opportunity to introduce Seba as a quality oriented steel distributor and supply company and are confident we can add value to your steel procurement efforts.” Source: RevenueBase Database · checked Sep 17, 2026
21	Jackrabbit Steel Products INC	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	15 contacts →
	Partial evidence “Heavy Steel Plate Rolling, Forming, Welding and Fabrication** Jackrabbit Steel Products is a heavy plate steel fabrication company that supplies a vast assortment of fabricated…” Source: RevenueBase Database · checked Sep 17, 2026
22	J&j Alloys	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	11 contacts →
	Strong evidence “J&J Alloys is an industry leading manufacturer of nickel alloy fittings and flanges, with a history dating back to 1952.” Source: RevenueBase Database · checked Sep 17, 2026
23	Seah Global INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	11-50	11 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
24	Vista Pipe & Supply	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1-10	10 contacts →
	Indirect evidence “Vista was founded in 2017, like many of our clients in this day and age, we operate LEAN AND MEAN.” Source: RevenueBase Database · checked Sep 17, 2026
25	Gibson Products INC	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	10 contacts →
	Strong evidence “Gibson Products is a specialty pipe fittings manufacturer serving companies in refining, petrochemical, energy, fertilizer, and more worldwide.” 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: alloy steel pipe manufacturers. 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 alloy steel pipe manufacturers.
Partial evidence: Its own public description names part of alloy steel pipe manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name alloy steel pipe manufacturers. 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 61 alloy steel pipe manufacturers based in Houston, United States

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Alloy steel pipe manufacturers based in Houston, United States at a glance

As of Sep 17, 2026

29.6%Verified-email coverage

39.3%Mobile-number coverage

40.4Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 20.0d

5620–30

15931–60

361–90

190–180

4180+

Company record updated

Median 80.0d

00–30

64331–60

1,30761–90

42790–180

90180+

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 alloy steel pipe manufacturers, 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 “alloy steel pipe manufacturers”. 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 alloy steel pipe manufacturers), 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 alloy steel pipe manufacturers, 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, 729 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.

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 alloy steel pipe manufacturers, 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 alloy steel pipe manufacturers are there based in Houston, United States?

RevenueBase identified 61 alloy steel pipe manufacturers 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?

TMK Ipsco, headquartered in Houston, tops this list with the largest team on record.

Which city in the United States has the most alloy steel pipe manufacturers?

Houston leads the United States with 61 headquartered companies, followed by Chicago (6) and Tulsa (6).

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 729 verified decision-maker contacts tracked across these 61 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.