M. A. Del Col, Inc., also known as Del Col Concrete, went into production in April 1979. We specialize in residential, multi-family and small commercial concrete flatwork. Our services range from typical basement and garage floors, to patios, sidewalks and steps. • Commercial and residential concrete flatwork • Architectural stamping, coloring and acid-staining • In-house design/build of concrete patios, terraces and cast concrete grill tops • Power washing and sealing of existing concrete to protect your investment (We suggest you reseal every year)