Company lists · Data refreshed September 2026
Top 25 Welded assembly manufacturers based in the United States
RevenueBase identified 4,713 welded assembly manufacturers headquartered in the United States as of September 2026 and tracks 49,267 professional contacts across them, including 13,339 with verified work emails. Houston is the largest hub.
This list covers welded assembly manufacturers headquartered in the 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 19, 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.
The 25 largest welded assembly manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 605 contacts → | ||||
Indirect evidence “W&W | AFCO Steel is the largest structural steel fabricator and erector in the United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 453 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 406 contacts → | ||||
Indirect evidence “Since 1963, McElroy Metal has grown from humble beginnings into a national leader in the metal components industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 354 contacts → | ||||
Strong evidence “O’Neal Manufacturing Services (OMS) is a supplier of fabricated metal components and welded assemblies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 308 contacts → | ||||
Partial evidence “Headquartered in Mayville, Wisconsin, Metalcraft of Mayville Inc.(MOM) has become a leading metal fabricator and manufacturer for customers across the US.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 296 contacts → | ||||
Indirect evidence “Modineer is your partner for quality metal components.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 270 contacts → | ||||
Indirect evidence “TrueNorth Steel delivers reliable, end-to-end solutions with speed and precision.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 267 contacts → | ||||
Indirect evidence “At United Alloy, quality and craftsmanship aren’t just goals, they’re guaranteed.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 260 contacts → | ||||
Partial evidence “E&E Manufacturing Company, Inc, is a partner to our customers, working to engineer and manufacture quality components that perform both efficiently and cost effectively.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 245 contacts → | ||||
Indirect evidence “Infra-Metals is the largest structural steel service center in the United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 243 contacts → | ||||
Indirect evidence “Poynter Sheet Metal is Indiana's largest, and most respected, full service sheet metal and custom metal crafter.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 233 contacts → | ||||
Indirect evidence “Established in 1946, Major Tool & Machine started business as a custom job shop specializing in the production of tooling and aircraft ground support equipment and has since…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 227 contacts → | ||||
Strong evidence “Morton Industries is a leading manufacturer of Fabricated Tube and Sheet Metal Assemblies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 212 contacts → | ||||
Indirect evidence “At Cooper Steel, our reputation is built on more than just our services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 209 contacts → | ||||
Partial evidence “Defiance Metal Products is a full service metal stamper, fabricator and painter of medium volume components and assemblies for the military vehicle, commercial vehicle…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 173 contacts → | ||||
Partial evidence “Manufacturer of Industrial/Agricultural Products McLaughlin is a vertically integrated manufacturer Our roots are in automotive, truck and cab products Our strengths are in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 171 contacts → | ||||
Indirect evidence “Robinson’s 950+ employee owners are highly experienced in single-source metal solutions, from engineering to complete custom fabrication.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 153 contacts → | ||||
Indirect evidence “Today, Drake-Williams Steel is one of the largest and most sophisticated steel fabricators in the United States offering a diverse range of products & services for the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 152 contacts → | ||||
Indirect evidence “Established in 1996, HME, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 152 contacts → | ||||
Partial evidence “GTI is a U.S-based, full-service contract manufacturer that brings products to life for the world's leading innovators.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 152 contacts → | ||||
Partial evidence “Since it was founded in 1979, Welding Works has become known for its ability to provide quick, reliable turnaround on all types of industrial metal fabrications.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 150 contacts → | ||||
Partial evidence “Standard Iron houses all the metalworking equipment needed to fabricate everything from simple parts to complex machined weldments.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 147 contacts → | ||||
Indirect evidence “We know a ton about steel Metal Works is a multi-faceted steel fabrication, erection, and sales operation serving the Western United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 146 contacts → | ||||
Indirect evidence “Cives Steel is one of the largest structural steel and plate fabricators in the United States providing structural steel products and engineering solutions to the building…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 146 contacts → | ||||
Indirect evidence “Prince Manufacturing is a contract manufacturing company that focuses on eliminating waste in the customer's supply chain by providing fabrication, forming, coating and finishing…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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: welded assembly 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 welded assembly manufacturers.
- Partial evidence
- Its own public description names part of welded assembly manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name welded assembly 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 4,713 welded assembly manufacturers based in the United States
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Welded assembly manufacturers based in the United States at a glance
As of Sep 19, 2026Companies by employee count
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 4,713 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 welded assembly 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 the United States whose own description of what they do matches “welded assembly 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 welded assembly 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 welded assembly manufacturers, and records with no verified work email. Companies headquartered outside United States 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, 13,339 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 19, 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.
Welded assembly manufacturers by metro
- Welded assembly manufacturers in Houston83
- Welded assembly manufacturers in Phoenix33
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 welded assembly 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 welded assembly manufacturers are there based in the United States?
RevenueBase identified 4,713 welded assembly manufacturers headquartered in the 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?
W&w Afco Steel, headquartered in Oklahoma City, tops this list with the largest team on record.
Which city has the most welded assembly manufacturers?
Houston leads with 83 headquartered companies, followed by Phoenix (33) and Denver (24).
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 13,339 verified decision-maker contacts tracked across these 4,713 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 19, 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.
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