Contact Us Jeff Klass, Owner I am happy to help you any way I can. Feel free to call me anytime. Cell: 414-861-1083 E-Mail: jeff@firstklasswindowcleaning.com Lisa Klass Lisa handles the AR & AP for the company. You can contact her here: Office: 414-328-016-95 E-Mail: lisak@firstklasswindowcleaning.com Ryan Manning Ryan is our Crew Leader in the field. Contact him here: Cell: 414-628-6235 E-Mail: ryanm@firstklasswindowcleaning.com Eric Eckert One of our most qualified Field Service technicians, Eric is always ready to help. E-Mail: ejeckert@firstklasswindowcleaning.com