Welcome to Tulox Plastics Tulox Plastics is an Indiana based corporation and, under current ownership, is in its 21st year of manufacturing primarily transparent semi-rigid plastic containers and injection-molded closures. The company serves its customers throughout the United States and Canada from the manufacturing headquarters in Marion, Indiana. Most Tulox customers and prospects are marketers of consumer products that are sold at retail; their markets range from cosmetic and health care to hardware and confectionary items.