Monclova, Mexico · North American industry
Heavy steel.
Built for your industry.
From precision-cut plate to finished assemblies. Steel fabrication, welding, machining, and finishing from one manufacturing partner.
01 / Capabilities
From material to
finished assembly.
Bring your drawings, production volumes, and delivery requirements. We connect the manufacturing steps to match your scope.
01
30 kW laser cutting
A 16 m cutting bed accommodates long frame rails and large plate components. Additional fiber lasers and plasma cutters support the wider production scope.
02
2,400-ton press brake
53 ft of forming length for long channels and large structural components. Eight CNC hydraulic press brakes support a range of part sizes and production needs.
03
Welding & assembly
150+ welding stations with robotic, laser, MIG, submerged arc, and pulsed arc capabilities. In-house fixtures support repeat production.
04
CNC machining
Machined interfaces, bores, and mounting features to complete your fabricated components.
05
Surface preparation & paint
A 10 × 7 × 9 m paint-and-cure booth with downdraft airflow and programmable bake cycles supports finishing for large fabricated assemblies.
06
Dimensional inspection
3D scanning and dimensional verification to support inspection reports and production checks.
Explore your application
Manufacturing for your next project.
Heavy truck frame rails
Long cut and formed sections with holes and features to your drawings.
Explore details ↗Heavy truck subassemblies
Frames and welded assemblies for commercial vehicle platforms.
Explore details ↗Data center structures
Steel structures and assemblies fabricated to customer drawings.
Explore details ↗02 / Products & industries
Made for the work
ahead.
A closer look at the components we manufacture for energy, commercial vehicles, rail, and industrial equipment.
Commercial vehicles
Welded truck frames
Structural frames and welded subassemblies built around your vehicle platform.
Energy
Transformer tanks
Fabricated steel tanks that bring together forming, welding, machining, inspection, and paint.
Commercial vehicles
Bolted frame rails
Cut and formed rails with mounting features for chassis assembly.
Rail
Fabricated components and welded structures for freight equipment.
Construction & industrial equipment
Structural frames and subassemblies for demanding industrial applications.
03 / Quality
Confidence in
every component.
Quality is part of the manufacturing process—from material preparation to final dimensional checks.
In-house AWS Certified Welding Inspector (CWI)
On-site welding inspection supports process control and verification against project-specific requirements.
3D scanning & dimensional verification
Creaform portable CMM equipment and 3D scanning support dimensional verification, first-article inspection, and checks of tooling and fixtures.
Documentation throughout production
Inspection plans, manufacturing records, and reports aligned with your project scope.
Fabrication, inspection, and finishing in one manufacturing workflow.
04 / About IONSA
Built in Mexico.
Connected to
North America.
Based in Monclova, Coahuila, IONSA manufactures steel components and assemblies for industrial customers in Mexico and the United States.
We bring engineering coordination, fabrication, in-house tooling, and inspection together to support both project development and repeat production.
Our northern Mexico location provides access to major cross-border transportation routes.
One manufacturing partner.
Cutting · Forming · Welding · Machining · Inspection · Paint
05 / Let’s build it
Your next project
starts here.
Send us your drawings, quantities, and delivery requirements. We’ll review the manufacturing scope with you.
Contact IONSA
Lib. Carlos Salinas de Gortari Km. 3.2
Monclova, Coahuila, México · C.P. 25710