Wallner Expac is a 100% employee-owned company and North America's largest manufacturer of light gauge expanded metals for HVAC filtration. Since our inception in 1959, we have evolved from a simple tool and die shop into a state-of-the-art, world class US-based manufacturing entity with facilities in Georgia, Texas, and headquarters in Ontario, California.

All our expanded metals are manufactured in our US-based plants for use many industries including Architecture, Solar, Batteries, Construction, Arts & Crafts, Home Improvement, Microfiltration, and of course, Filtration. We attribute our success to quality craftsmanship, a highly skilled work force, a dedicated management team, and our unyielding commitment to customer satisfaction.

(909) 481-8800 www.EXPAC.com