Founded in 1967, Shallco is a manufacturer of standard, custom and military grade switches. It markets attenuator designs and is a supplier of rotary step-type audio attenuators for the broadcast and recording industry. Based in Smithfield, N.C., the company develops custom switch products for the industrial and military applications. It offers a wide range of products, including custom switches, mechanical assemblies, lock-out relays, DutySafe breakers, audio attenuators/networks as well as auxiliary switches. Shallco is an ISO 9001:2008 certified company.