Beginning in 1977, Mike Christopolis partnered with Howard County builders developing relationships that remain strong today. Named for the burgeoning town and surrounding areas, Columbia Roofing, was incorporated in 1981. Conveniently located throughout Maryland, CRI serves the Maryland area quickly and efficiently. Our easy access to major transportation routes make it possible for us to serve the entire Maryland corridor. CRI is licensed and bonded in Washington, DC and Maryland and holds certification from most major roofing manufacturers. Our best feature is our experienced, well-trained and dedicated staff of professionals. We know our industry. Our knowledgeable sales, service, and installation professionals are dedicated to working with our clients to plan, schedule, budget, and complete every project.