Member Directory Find a BusinessLocate a local business for all your business needs using the interactive Map or Member Directory below. Return to Listing GAF Materials CorporationGAF.comManufacturer of residential roofing shingles.NewsGAF Makes Major Donation to Support Great Futures505 N. Roeske AvenueMichigan City, IN 46360Map219-872-1111Fax: 219-878-5888EmailManufacturingHome Improvement Sales & Services Chamber Members | Chamber Events Calendar | Member Account | Community Events Calendar | Job Postings & Volunteer Opportunities | Member Promotions | Member News | Request Information Upcoming EventsTue2 Coffee ConnectionsJul 2nd @ 8:00 AMThu4 Independence Day- Office ClosedJul 4th @ 8:00 AMTue16 LCN Pop-Up at Sunset GrilleJul 16th @ 4:30 PMWed17 Board Meeting & Breakfast with the BoardJul 17th @ 8:00 AMWed17 NWI Chamber Night at the RailCats StadiumJul 17th @ 5:00 PM 2024 Visionary, Stakeholder, & Leader Member Investors