Welcome to Acosta Manufacturing – the San Francisco and Greater Bay Area's leading manufacturer of HVAC products, architectur ... al products, and sheet metal building materials. Our affiliation with the Union Local 104 provides us with the expertise needed to ensure that all of our products meet the highest industrial and residential standards. Acosta Mfg. carries a wide array of sheet metal products as well as being the largest special order manufacturer in the area. If it can be drawn, we can make it. Afterall, our motto is, "Yes we Can!" read more