Bec over at Corn Allergy Girl has put together a list of hidden corn in Non-Food Items. Familiarize yourself with this list.
Karen at AvoidingMilkProtein has done extensive research into the Science of Chemurgy. She has compiled a list of non-food items that are made with or from corn. I recommend bookmarking her page and sharing it with all those individuals that might have some responsibility for your care should you become incapacitated, including your doctor.