Real estate development services, namely, the development of master planned communities including-- villages, community centers, employment centers, industrial and commercial offices, apartments, duplexes, single-family homes, retail, parks, playfields, recreation complexes, public schools, college campuses, recreational areas, plazas, roads, transit systems, parking, water treatment facilities, water storage facilities, water distribution facilities, sanitary sewer systems, research and development, police facilities, fire protection facilities, libraries, electrical distribution systems, gas distribution systems; and Land development services, namely, planning and laying out residential and/or commercial communities