A janitor service can serve many industries. Some of the industries that are served by janitor services are hotels, restaurants, schools, casinos, property management, offices, retail locations, medical facilities, and industrial facilities. Although resident cleaning is more detailed, home owners can take advantage of some of the singular janitorial services offered by a cleaning company. Unless a business, elects to clean its own facility it must hire an outside company. Businesses will hire a janitor to clean anywhere from one to seven times per week. Depending on the size of the business, it can take anywhere from thirty minutes to eight hours to clean any particular location.The services rendered by a commercial cleaning service can vary from customer to customer. Some of the basic services that are rendered by a cleaning service are vacuuming, dusting, emptying trash, cleaning restrooms, and wiping down horizontal surfaces, moping, high dusting, and cleaning partition glass. There maybe some specialty services that may need to be performed for some customers. Some of the specialty services that may need to be carried out are carpet cleaning, grout cleaning, window cleaning, stripping and waxing, auto scrubbing, pressure washing, marble polishing, buffing, gum removal, upholstery cleaning, and wood floor refinishing. Any particular cleaning company may offer all, some, or none of these specialty services.