Roofing, Concrete Contractors, Home Remodeling Contractors Your roof needs to be able to stand up to the severe Boone County elements. Plus, you need a sturdy foundation and reliable plumbing. Fortunately, the experienced roofing contractors from A DD Contractingserving Columbia, MO and surrounding area, have you and your shingles, pipes, and foundation covered. For more than 30 years, these handymen have been providing premium repairs and installations. From repairing your roof to installing a new one, these handymen perform every task... read full review »