Challenge Design Innovations (CDI) is a full-service ACCT International Accredited Vendor specializing in the design, construction, inspection, training, repair, and equipment needs of challenge courses, ropes courses, zip lines, aerial adventure parks, climbing walls, and tactical training courses. Since 1980, CDI has worked with camps, colleges and universities, municipalities, commercial operators, resorts, schools, military programs, conference centers, and other organizations across the United States. Our team brings decades of hands-on experience to every project, from new construction and major renovations to annual inspections, staff training, maintenance, and operational support. We also inspect, repair, and upgrade courses built by other companies. CDI has maintained ACCT International accreditation for more than 26 years. Our goal is simple: create quality adventure structures, support the people who operate them, and build long-term relationships with our clients.