D.I. Roof Seamers has been in business since 1989 and is recognized as the world's largest and preferred supplier for quality roof seamers and hand tools in the USA and Canada. With award-winning quality programs and a massive inventory, D.I. provides tools directly to the panel manufacturer, builder, and contractor. With a 14 acre campus, including a 64,000 sq. ft. main production facility located in Northeastern Mississippi, we proudly offer a full Research & Development Team, Quality Control Laboratory and a staff of over 80 trained and certified employees.