Harry O. Hefter – Associates, Inc. was founded in 1959 and is dedicated to serving the engineering, systems, and design-build needs of government. Through the years, wide-ranging work relationships with government agencies at all levels have been developed. Some of our clients include:
These include the Illinois State Toll Highway Authority, Cook County Highway Department, Forest Preserve District of Will and Cook County, DuPage County Division of Transportation and Environmental Concerns, Metropolitan Water Reclamation District of Greater Chicago, Chicago Public School System, City of Chicago Departments of Water and Transportation, Department of the Navy, Army Corps of Engineers, United States Postal Service, Capital Development Board of the State of Illinois, and Illinois Departments of Corrections, Mental Health and Transportation.
With a staff numbering more than 120 professionals in architecture and all major engineering disciplines, Harry O. Hefter – Associates, Inc. is able to provide planning, design, and construction management for a variety of public works projects. Specialties include engineering design for freeways, grade separations, interchanges, roadways and bridges, parking facilities, and site development as well as associated building designs including HVAC, plumbing, fire protection and control systems. Our expertise extends to power systems design, protective relays, energy management and supervisory monitoring systems, lighting design for indoor and outdoor applications, and communications and security systems.
We are also fully experienced in field investigations, studies, and the preparation of reports, budgets, estimates, and contract documents, and are prepared to work with our clients on identifying problem situations, and recommending practical solutions. In 1964 HOH achieved its first ranking in the Engineering News Record’s listing of the nation’s top 500 design firms and remains on that list today. Our organization has designed projects approaching one billion dollars in construction value. Our private sector clients include most of the major companies in America’s steel industry. On four occasions the National Society of Professional Engineers has selected one of our projects as one of the “Top Ten Engineering Achievements of the Year.”