Sunil Kumar is the Director Engineering at 3S MEP+S. We are a design firm serving Chicagoland region and all the midwestern states. We are a minority owned business with a team of 30 experienced and qualified engineers.  We specialize in residential and commercial projects. No project is too small for us. We have done design of single-family residences as well as large chiller plants for convention halls, airports, and data centre. We empower our people, who empower us to create sustainable design that will change the world for good.