O’Neal Manufacturing Services (OMS) in Monterrey, Mexico, is a 240,000 sq. ft. powerhouse specializing in high-volume, multi-step metal fabrication and large-scale machined assemblies. Located in Mexico’s industrial center, our facility is a nearshoring partner for global OEMs, delivering ISO 9001:2015-certified precision in welding, laser cutting, and heavy-plate processing. For over 25 years, our Monterrey, Mexico, steel fabrication plant has been a leader in component manufacturing and complex welded assemblies. With extensive fabrication capacity under one roof, OMS Monterrey streamlines logistics and ensures consistent quality for the Construction, Transportation, and Material Handling industries.
OMS Monterrey provides ISO 9001:2015 certified metal fabrication for global OEMs.
Integrated CNC Machining for Oversized Components
OMS Monterrey operates ten specialized machining centers engineered to process oversized, complex welded assemblies with tight-tolerance precision. By integrating heavy-duty fabrication with high-accuracy CNC milling and boring on-site, we provide a complete production solution that ensures structural integrity. Our facility is equipped to handle the most demanding industrial components, maintaining stringent quality standards throughout the entire manufacturing lifecycle. Read more on our Blog.
On-site machining solutions include:
- CNC Gantry Mills
- Horizontal Boring Mills
- Double Column Bridge Vertical Machining Center
- Double Column Gantry Machining Center
