Business Directory Return to Listing ShareTweetSI Nowsouthernillinoisnow.org1239 E Main St.Carbondale, IL 62901618-353-0100EmailAboutSI Now serves as a regional economic development hub and unified voice for the 17 southern counties of Illinois to advance our region as a great place to live, work, and do business.ContactsNick HoldinghausenEconomic / Land Development, Business Services, Career Cluster - Marketing, Career Cluster - Manufacturing Member Directory | Calendar of Events | Member Account | Community Calendar of Events | Job Search | Member Promotions | News | Request for Information