Janitorial cleaning is a type of professional cleaning that is typically performed in commercial and industrial settings. Janitorial cleaning services are usually contracted out to third-party companies who specialize in this type of work.  The best janitorial cleaning services usually include cleaning the floors, bathrooms, kitchens, and common areas of a commercial building. 

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There are many different types of janitorial cleaning services available, and the specific services offered will vary depending on the company you hire. Here is a look at some of the most popular types of janitorial cleaning services:

1. Daily Janitorial Cleaning Services: These services are typically performed on a daily basis, and include tasks such as emptying trash cans, sweeping floors, and mopping bathrooms.

2. Nightly Janitorial Cleaning Services: These services are usually more comprehensive than daily cleaning services, and often include tasks such as vacuuming carpets, cleaning windows, and restocking restroom supplies.

3. One-Time Janitorial Cleaning Services: As the name suggests, these services are performed on a one-time basis, and can be used for things like deep-cleaning after a construction project or event.

4. Specialty Janitorial Cleaning Services: These services are designed to meet the specific needs of your business, and can include things like pressure washing exterior surfaces or stripping & waxing floors.  

5. Emergency Janitorial Cleaning Services: These services are available 24/7 for situations that require immediate attention, such as flooding or hazardous material spills.