Testimonials | Case Studies | Customer Videos Below are several case studies conducted by various On Center Software clients: Kansas City Chiefs' Arrowhead Stadium, Compusult, Inc. Supply and Installation of Natural Stone Finishes, GemStar Group, Inc. Ka'anapali Ocean Resort North, Group Builders, Inc. Apopka Relief High School, Kenpat USA, LLC St. Mary's Grand Junction, McCarthy Building Companies, Inc. Harrison County Hospital, Quality, Inc.