Chamber Members Browse the Member Businesses Directory Member Businesses Directory Go back to directory. GEM Heating, Inc GEM Heating, Inc Contact: Gary Mayer Address 15487 Commercial Road Lakewood WI 54138 home Phone: 715-276-6400work Email: GEMHTG@gmail.comINTERNET No Image Available Quick Links HomeChamber MembersCalendarNewsTrail ReportsExplore by Township Contact Us PO BOX 87Lakewood, WI 54153 (715) 276-6500 Send Us a Message