New patented four-way ceiling diffuser grilles now available ONTARIO, Calif. - September 1, 2021 - Wallner Expac, North America’s largest manufacturer of light gauge expanded for air filters and the .
Read More
After 62 years of significant expansion and growth, Wallner Expac opens its next chapter ONTARIO, Calif. - February 24, 2021 - Wallner Expac, Inc. ("Wallner Expac" or "the Company") has completed a .
Read More
