National Manufacturing Co. offers a large selection of hardware for connectors, garage doors, gates, hinges and screen & storm doors. National's product offering extends into other categories such as storage and organization products, hex tools, padlocks and plant hardware.

The Ultra® builders' hardware line is recognized nationally as an industry leader. Ultra® has an item for every need. Ultra® parts are used every day by professionals and do-it-yourselfers. Everything from hinges to hobby to reinforcement hardware is featured.