Company lists · Data refreshed September 2026
Top 24 Welding and assembly manufacturers based in Mexico
RevenueBase identified 264 welding and assembly manufacturers headquartered in Mexico as of September 2026 and tracks 2,159 professional contacts across them, including 85 with verified work emails. Monterrey is the largest hub.
This list covers welding and assembly manufacturers headquartered in Mexico, 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 24 largest welding and assembly manufacturers based in Mexico
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 74 contacts → | ||||
Indirect evidence “We design, build & program fully automated production lines & Projection Welders.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 67 contacts → | ||||
Partial evidence “DBG is a custom metal manufacturer supplying components and value-added services to the Commercial Vehicles (Bus, Heavy & Medium Duty Truck), Automotive, Military, Agricultural &…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 46 contacts → | ||||
Indirect evidence “PYASA se dedica a la producción de soldadura de micro alambre para proceso GMAW, soldaduras y fundentes para procesos SAW y formas de alambre recubiertas de termoplástico…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 36 contacts → | ||||
Indirect evidence “Maquinado y ensamble de piezas de automoción” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 35 contacts → | ||||
Indirect evidence “Proveyendo a México soluciones de soldadura combinando productos líderes y asesoría experta.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 33 contacts → | ||||
Indirect evidence “The Fi™ Company - Tijuana is a metals and fabrication company that was established in 1905 as San Diego Sheet Metal works, later evolving into a complete sheet metal fabrication…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 33 contacts → | ||||
Indirect evidence “SIISA ofrece equipo para realizar todos los procesos de soldadura (electrodo revestido, microalambre y electrodo de Tungsteno); contamos de igual forma con máquinas multiprocesos…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 33 contacts → | ||||
Indirect evidence “Fundada en 2004, METAL MASTER INDUSTRIAL es una empresa líder con certificación ISO 9001 que provee servicios de manufactura, reparación e ingeniería.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 28 contacts → | ||||
Indirect evidence “Trefilados Inoxidables de México, es el fabricante nacional líder en el mercado del alambre de acero inoxidable, aluminio, aleaciones de níquel y soldaduras especiales, además de…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Partial evidence “Company dedicated Manufacturing of High Precision CNC machining, Sheet Metal, Certified Welding and Cables & Harness for Aerospace Industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 21 contacts → | ||||
Partial evidence “With 40 years of experience, we have developed strong commercial ties with manufacturers of the most recognized brands in our industry, which has allowed us to specialize in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Indirect evidence “Fabricación de equipo OEM especializados en Industria Automotriz entre ellos; estaciones de soldadura por ultrasonido, atornillado, ensamble, inspección mediante sistemas de…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 18 contacts → | ||||
Indirect evidence “San-S Mexicana ofrece productos metálicos confiables para la industria automotriz que satisfacen al cliente, damos importancia a la calidad promoviendo la participación de todos…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 15 contacts → | ||||
Indirect evidence “Sermaq USA LLC.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Indirect evidence “Somos una empresa líder en el diseño, desarrollo y fabricación de productos metálicos de alta calidad para aplicaciones industriales.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Indirect evidence “Lincoln Electric es el líder mundial en soldadura por arco, sistemas de soldadura robótica, equipos de corte por plasma y oxicombustible y soldadura fuerte y aleaciones.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 contacts → | ||||
Indirect evidence “Precision Sheet Metal Mexico offers over 20 years of metal manufacturing experience.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Strong evidence “Focused on lean and competitive high volume metal stamping, assembly, machining, robotic welding and fabrication manufacturing.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Indirect evidence “Somos una empresa con mas 18 años de experiencia en el ramo de los equipos metalicos industriales.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Partial evidence “METALPRO is a company located in the city of Frontera, Coahuila Mexico dedicated to the manufacture of metal-mechanical parts and components required for the manufacture of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Indirect evidence “Somos especialistas en proyectos de soldadura manual y automática (maquinaria, insumos, estudios, certificaciones).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “Somos una organización que actualmente desarrolla soluciones integrales para procesos de corte industrial y todo tipo de soldadura.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “HISTORIA En 1975 bajo el nombre de Industrias Heramez iniciamos actividades en el giro de reparación de equipos en acero inoxidable para restaurantes y hoteles.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “Shindaiwa es mejor conocida a nivel mundial por su calidad, confiabilidad y rendimiento.” 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: welding and 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 welding and assembly manufacturers.
- Partial evidence
- Its own public description names part of welding and assembly manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name welding and 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 24 of 264 welding and assembly manufacturers based in Mexico
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Welding and assembly manufacturers based in Mexico at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Mexico, so it is reported there. Company counts and contact totals on this page are exact for Mexico, over 264 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 welding and 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 Mexico whose own description of what they do matches “welding and 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 welding and 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 welding and assembly manufacturers, and records with no verified work email. Companies headquartered outside Mexico 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, 85 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.
Welding and assembly manufacturers by metro
- Welding and assembly manufacturers in Monterrey28
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 welding and 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 welding and assembly manufacturers are there based in Mexico?
RevenueBase identified 264 welding and assembly manufacturers headquartered in Mexico 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?
Proautomation, headquartered in Hermosillo, tops this list with the largest team on record.
Which city has the most welding and assembly manufacturers?
Monterrey leads with 28 headquartered companies, followed by Queretaro (13) and Puebla (11).
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 85 verified decision-maker contacts tracked across these 264 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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