Thatcher Foundations is a specialty contractor in deep foundations, earth retention, and marine construction since 1946. The backbone of Thatcher is our people. We take great pride in the Thatcher Team, and in turn some of our employees are 4th generation. Our engineering background (including PE, SE, PhD) of the officers and key personnel has resulted in innovative design-build solutions to job problems, as well as the development and modification of specialized equipment. We are headquartered in the Chicago area and licensed in Illinois, Indiana, Michigan, and Wisconsin.