We pride ourselves on professional, high quality residential and commercial excavating, as well as septic services. From grading, excavating, demolition, land clearing, wet season perc tests, septic system repair, septic system installation, stone driveways, stone construction entrances, in-ground pool demolition, removal and fill in, storm water management devices, and debris and brush removal. Whether new or existing construction in Maryland, Wm. C. Crosby Services, Inc. provides the same level of customer satisfaction. We are committed to being your first choice for an excavation and septic system contractor in the area.