Offering these services allows us to work with a variety of clients including medical facilities, churches, schools, universities, automobile dealerships, offices, and industrial projects. Any of these delivery methods can work toward a Guaranteed Maximum Price (GMP), with all of the project savings reverting back to you, the Owner. LEED® Accredited Since 2008! Henkelman Construction, Inc. is continually encouraging its owners and design professionals to implement sustainable construction techniques. The environment has been an issue on the minds and hearts of our community and the world. Henkelman Construction, Inc. has received LEED® (Leadership in Energy and Environmental Design) Accreditation. Our hopes are to further educate our owners, designers, and law makers so that the entire building industry continues to move forward in the “green” direction.