Home | Thatcher Foundations | Chicago, Illinois earth retention systems, pile driving, driven piling, marine construction, driven piles, micropiles, deep foundations, auger cast, Illinois, Chicago, Indiana, braced excavations, belled caissons, drilled shafts, secant pile wall, drilled foundations, micro piles, augercast, underpinning, grouting, sheeting, stone columns, slurry wall, Lake County, DuPage, Will, McHenry, Kendall, Grundy, Kankakee, Porter, LaPorte, St. Joseph, Elkhart, Berrien 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 …