Founded in 1995, Callis Contractors Inc. has a reputation of excellence, and is known for its commitment to providing its clients with quality service. As one of Durham's fastest growing inner city construction companies, the Callis philosophy has remained the same throughout its history: to provide quality construction service, on budget and on time. We understand that trust is of primary importance in a contractor/client relationship. Our clients grace us to serve on their behalf and we take our tasks very seriously.