Cover-All Building Systems is the leading manufacturer of steel-framed, membrane covered structures with a world-wide dealer network. Cover-All buildings are available in clear-span widths up to 300 feet and are pre-engineered to meet structural requirements. Cover-All has has sold over 24,000 buildings totaling 85 million square feet. Behind each Cover-All® building is a worldwide team of dedicated professionals, an ISO 9001:2000 certified manufacturing facility, and continual investment in product research and development. Cover-All Building Systems is North America’s largest manufacturer of clear-span tension membrane buildings.