KBI Custom Case, Inc. KBI Custom Case, Inc. is a manufacturer of specialized institutional custom casework and countertops. Since our incorporation in 1995, we became certified as a Woman Business Enterprise (WBE) and Disadvantaged Business Enterprise (DBE) in 2004. Our customers include Hospitals, Schools, Banks, Libraries, and Office buildings as well as various commercial owners. Throughout the midwest, KBI has provided quality craftmanship specializing in commercial custom architectural casework. Our facility located in Hebron, Illinois, a northern suberb of Chicago, utilizes state of the art technology and equipment to manufacture and fabricate your product in a safe environment with a team who cares.