Alabama Iron and Steel Council Member Dipra logo

The Ductile Iron Pipe Research Association (DIPRA) began more than 100 years ago to provide accurate, reliable and essential engineering information about cast iron – and now Ductile iron – pipe to a wide variety of utilities and consulting engineers.

Stronger Together.
Greater Tomorrow.

Become part of a unified network advancing Alabama's iron, steel, and manufacturing industires through advocacy, collaboration, and long-term economic growth.

Whether you're a manufacturer, supplier, or industry partner, AISC provides the connections, representation, and resources needed to help your organization grow and lead.