At Potts & Callahan we specialize in bulk excavation, grading, paving, site utility, demolition and equipment rental with experienced operators. We have been serving the Mid-Atlantic area since 1917. We are licensed and bonded in: Maryland, Virginia, Pennsylvania and Washington, D.C. We pride ourselves on excellent customer service and the ability to be on-site quickly. We respond to state-wide emergencies such as bridges collapsing during rush-hour over the beltway. We are also known for always completing our projects in a timely fashion, and on budget! This website will give you a snapshot of the work we can do, the work we have completed and the work that is currently in progress. We welcome the opportunity to speak with you directly about your project needs.