Universal Steel of America designs, fabricates, and ships steel frame buildings, including all aviation hangars. All drawings cross reference individually marked components for simple installation. Many colors and accessories are available for the aviation industry, and buildings are designed for any hangar door attached. Warranties are available for 20 or 25 years. Universal Steel's plants ship from Alaska to Puerto Rico. For a brochure or more information, visit www.universalsteel.com or call (800) 993-4660. no image