Founded in 1980, Control Concepts, Inc. is the market leader in the design and manufacture of stock and custom SCR power controllers. Their single phase, three phase, zero-cross and phase-angle power controllers range from 120 to 575 volts and from 10 to 2000 amps. Controllers are rated conservatively and built for reliable, accurate power control. Customer support is a top priority, and CCI application engineers are available to assist customers directly. Control Concepts also maintains an inventory that allows them to offer next-day shipping.