Professional services need to be housed in equally professional settings. PWSM cleans office buildings across the Chicago area and beyond, supplying professionals with a clean and maintained environment without interrupting their work activities PWSM has successfully partnered with many Special Services Areas (SSAs) and business districts to develop programs using Tax Increment Financing (TIF) money for the beautification of your community, ultimately making it a better place to work, live, eat and shop in.