One company can't be everything to everybody... That's a fact! ISU - Wm. Schwartz is unique in that we have the personal service characteristics of a smaller firm with the resources of a much larger organization. In business for over 115 years. Over 350 insurance companies to choose from We can write in all 50 states. That makes it nearly impossible that we wouldn't have the right insurance solution for you. 1 of 4 insurance companies of all of Illinois who can provide this. We serve you first!