Jani-King is the world’s largest commercial cleaning franchise company with more than 120 support offices in 10 countries. Th ... rough a global network of over 7,500 franchisees, Jani-King delivers a superior commercial cleaning program to a wide range of customer locations including office buildings, hospitals, hotels, sporting venues, universities, restaurants, manufacturing facilities, and more. Jani-King of the Midwest serves Kansas City, Columbia, Omaha, Iowa, Wichita, Springfield, and their communities. View the map below for specific location details. read more