Quam
Headquartered in Chicago, Illinois, beginning around 1930, Quam-Nichols is a notable machine, electrical, and gadgets fabricating industry. The organization offers many amplifier answers for low-voltage interchanges, sound covering, foundation and frontal area music, paging, and flagging. It also produces a broad line of hoodlum-safe amplifier frameworks, bringing in stations and nooks. Average application conditions are business properties, workplaces, retail, accommodation, schooling, detainment, rectification, and equity.