Bennett & Son Contracting, Inc. has been in business since 1979 serving the Southern Maryland area. Our scope of work includes Site preparation such as excavating, sediment control, clearing, grading, backfill and final grade. Underground utility work includes Storm and sanitary sewers and water main installations. Septic systems includes I/A Alternative and Innovative systems. Commercial and Residential . Central Florida since 2005. Scope of work includes Site preparation such as excavating, sediment/erosion control, clearing, grading, backfill, and final grading. Commercial and Residential.