A sanitation system contractor fabricates and installs cesspools, septic tanks, storm drains, and other sewage disposal and drain structures. This classification includes the laying of cast-iron, steel, concrete, vitreous and nonvitreous pipe and any other hardware associated with these systems.
Despite its long tobacco-growing history, modern Durham is now known as a seat of education and medical research. Prestigious Duke University remains the largest source of both jobs and community pride. However, the Triangle Research Park has become a center for technological development which has contributed significantly to the city's economy. For a North Carolina city, Durham's licensing isn't too complex. However, the city does require local licenses for most businesses. The state's more involved licensing is also required for all businesses.