The HMMI Advantage: Redefining Advanced Manufacturing

Overshadowing the Competition with Oversized Solutions

HMMI Shipping Picture

Advanced Manufacturing SOlutiOns fOr Oversized PrOjects

Horizontal Machining & Manufacturing Inc. is changing the meaning of American oversized fabrication with industry-leading technology that overshadows the competition. We have made a name for ourselves as the premier oversized manufacturer, boasting advanced manufacturing solutions that produce superior quality and durability in the country’s largest fabrication projects. These powerful machines utilize cutting-edge technologies to produce precision components that will rapidly withstand the harshest demands.

COming SOOOn!
NOrth America’s Largest Press Brake

For over 25 years, HMMI has been dedicated to anticipating the growing needs of our customers. In the summer of 2025, we are unveiling the newest addition to our fleet of state-of-the-art fabrication machines: the largest, most advanced hydraulic press brake in North America, the Tandem Durma Press Brake. This game-changer features an outstanding 60’ forming length with advanced 10-axis CNC forming capabilities and will make oversized fabrication an understatement.

See How We’re Redefining Domestic Oversized Fabrication
Oversized an Understatement-1
boom welding 07

4-Seam BOOm Welder

We are boom manufacturing experts with specialized equipment designed specifically to address the needs of long booms. Our revolutionary 4-seam boom welder simultaneously tacks and welds on all four seams, ensuring high-quality, durable welds and completed components up to 50’ long without twisting or distortion. This cutting-edge technology is operated by AWS-certified welding experts capable of adhering to the strict requirements of Class 1 structural welds.

Discover How We Solve the BIG Welding Problems

Okuma 5-Axis Machining Center

HMMI is proud to operate one of the largest bridge mill machining centers in the country. It has an 80,000-pound table capacity, 40-ton over-the-machine lifting capabilities, and a work window measured in feet, not inches. Our 5-axis Okuma machining center boasts advanced CNC capabilities, including hydro-mechanical crowning, ensuring precision machining post-weld in some of the largest, heaviest components in the industry.

Explore How We Achieve Precision Results on a Grand Scale
Okuma 5-Axis Machining Center
COmplete OEM Manufacturing SOlutiOns

COmplete OEM Manufacturing SOlutiOns

At HMMI, we are on a mission to become North America’s leading oversized manufacturing experts. We provide advanced manufacturing solutions for the country’s biggest requirements, rivaling our European counterparts. From fabrication to finishing and every step in between, HMMI has the equipment, expertise, and passion to transform big ideas into bigger realities.

Learn More About Our Oversized Onshoring Capabilities

Put The HMMI Advantage tO WOrk fOr YOu

HMMI leverages industry-leading technologies and extensive oversized capabilities to provide advanced manufacturing solutions for our clients. Contact us today to learn more or request a quote and put the HMMI Advantage to work for you!