Estimator / Project Manager. Company Description. Located in Belleville, IL, Hank’s Excavating & Landscaping, Inc. has been providing the St. Louis metropolitan area the best in quality, safety & service since 1978. We are a heavy-highway, civil contractor that does everything from complete road reconstruction and storm/sanitary sewer to water work and demolition. We are currently seeking an experienced Estimator / Project Manager for this postin...