To contact MPS Combined Giving Campaign for general questions, comments, help or ideas send us an email at wbabka@unitedwaygmwc.org. MPS Combined Giving Campaign United Way of Greater Milwaukee & Waukesha County (Fiscal Agent) 225 West Vine Street Milwaukee, WI  53212 Phone:  (414) 263-8119 Log in or register to see your payroll contact and/or coordinator contact.