Promanco, also known as Promanco Property Management Company, is one of the leading real estate development and property management companies in Mid-Ohio Valley. Established in 1983, its portfolio includes a variety of properties, including industrial, office, commercial, residential and developmental. The company s team of craftsmen provides maintenance and repair services. Promanco offers a range of general contracting services, such as historical renovation, roofing, electrical, excavation and remodeling. In addition, it manages custom build-outs. The company s industrial properties include warehouses and manufacturing units. It provides online search options for clients to locate properties in various locations. Promanco is located in Marietta, Ohio.