Leading Suppliers Globally for Cleaning Services, Contract, Maintenance

Here is a list of some of the leading global suppliers of Cleaning Services and Contract Maintenance:

1. ISS A/S: A Danish multinational facilities services company.

2. Compass Group: One of the world's largest food service companies which also offers cleaning and support services.

3. Sodexo: A French multinational providing various services including facilities management and cleaning services.

4. ABM Industries: An American provider of facility solutions including cleaning and maintenance services.

5. Cushman & Wakefield: A global real estate services firm that offers facility management and maintenance services.

These companies are recognized for their expertise in providing cleaning services and contract maintenance on a global scale.