History
Since its founding in 1963 as a sheet metal fabrication company with five employees, SEMCO has built a reputation as a world-wide product innovator in the science of air movement, noise abatement, and indoor air quality, with more than 300 employees and 300 manufacturer’s representatives.
We at SEMCO are proud of our rich history of industry-leading technology and product development. In 1987, SEMCO developed a 3 angstrom molecular desiccant (True 3Å) for energy recovery wheels which is still stands as the industry leader today.