The Prospect Building Services Corp. is a full-service cleaning and building maintenance company based in Malden. The company offers a wide range of cleaning services for commercial, institutional and industrial clients, some of which include Harvard University, MIT and Salem Hospital. Services include full cleaning services such as window washing, emergency work and construction clean-up. The company also offers consulting services such as project management, efficiency reporting, training programs and organization studies. Call for more information or to speak with an associate about services.