Essential Information on Janitorial Services - Article: 295688 at Isnare.com Free Articles The janitorial service business is an essential service that primarily ensures commercial establishments are kept spic and span. Janitorial services are also referred to as cleaning services and housekeeping services. Janitorial services include cleaning several commercial buildings like businesses, hospitals, school, warehouses, retail shops, parking lots and manufacturing facilities. This business can also be expanded by not only providing cleaning services but also carpet cleaning, drapery, window cleaning, lighting, green plant maintenance, security, landscaping and even pest control services. According to researches one can have a janitorial service business with $5000 as start up cost....