Wiedeman and Singleton is a full service civil and environmental consulting engineering firm established in 1925 as a successor to the Paul H. Norcross Company, a water and hydro-power firm which began practice in 1906. Wiedeman and Singleton, Inc. was the pioneer in the development and design of water and wastewater treatment facilities in the Southeast.

Today, Wiedeman and Singleton continues to push many innovations in water and wastewater treatment from both an engineering and regulatory standpoint.

The Firm is comprised of a team of seasoned professionals working throughout the Southeast. Offices are located in Atlanta, Georgia and Rock Hill, South Carolina. The Firm's comprehensive engineering services incorporate every aspect of water supply, wastewater collection and treatment, stormwater control and management, and feasibility and planning studies.