Welcome to Our Site CWU Contractors LLC has 40 years experience in the concrete construction industry, all types of interior and exterior flatwork, curb, sidewalks, driveways, approaches, patios, colored and stamped walks, basement floors and garage slabs for houses, large industrial type floor slabs, machines bases and loading docks. Services• Foundation • Flatwork • Floor Polishing • Stamped and Colored Surfaces • Construction • General Contractors • Excavation Ph. 708-444-2434 | Fax: 708-444-2939 Curbs, Stamped Surfaces, Floor Polishing Members Of Photo Galleries