Diversified is a commercial janitorial company serving the Western suburbs of Chicago for over 20 years.

The importance of window washing

Window washing can be quite the challenge when it comes to buildings and larger spaces, but at Diversified Office Cleaning Services, our professionals have the equipment and training necessary to keep your windows looking their best. We cater to commercial buildings large and small across Elmhurst, IL 60126 and Western Suburbs of Chicago, and our goal is to offer quality window washing services at competitive prices.