Illingworth-Kilgust Mechanical, a wholly owned subsidiary of EMCOR Group, Inc., combines two leading mechanical contracting firms – Illingworth Corporation of Milwaukee and Kilgust Mechanical of Madison – into one of the largest and most experienced companies of its kind in Wisconsin.
About Us
With 115 years of combined experience, Illingworth-Kilgust Mechanical provides clients statewide with the total mechanical solutions they need to meet their facilities' full lifecycle requirements. Learn about us.
Services
By integrating our strengths, we can offer a wider range of expertise and a broader array of services to more clients across the state than ever before. Learn more.
Meet the Team
Dan Pfeifer, President, is just one of the many people that deliver high performance projects that meet our clients most exacting standards.
Dan Pfeifer, President, is just one of the many people that deliver high performance projects that meet our clients most exacting standards. 
