MIControls, Inc., Providing controls solutions since 1920. We encourage you to choose MIControls in Washington, Oregon, Alaska, Idaho and Montana as your primary source for commercial and industrial controls, DDC systems, valves and instrumentation. MIControls Inc. traces its roots back to 1920 as the Therm Gas Generator Company of Seattle, a wholesale distributor that served the Washington State oil heat and the Alaska fishing fleet industries. Mortemp Company was formed in Seattle in 1951 as a wholesale distributor of oil heat products and residential temperature controls. Mortemp Company purchased Therm Gas Generator Company in the mid-80's.