Wickes Cos. sold a unit for an undisclosed sum.

The Santa Monica-based manufacturing and retailing conglomerate sold its Eagle Signal Controls unit to Mark IV Industries of Amherst, N.Y. Eagle Signal is based in Austin, Tex., and has operations in Baraboo, Wis., and Davenport, Iowa. It makes several types of industrial controls, including electromagnetic and solid-state devices and microprocessor-based systems for industrial and traffic controls. Last year, it had sales of about $37 million.