What kind of doors do you sell and install? September 23, 2018 Tags installation At DC Door Company we sell and install steel, wood and carriage house overhead sectional garage doors manufactured by Carriage House Door Company and C.H.I. Overhead Doors. Related Can I purchase doors or equipment somewhere else and hire you to install them? What areas do you service? Is my garage door damage covered by insurance? Can I repair my door myself? Is my new door and equipment covered by a warranty?