The Institute of Scrap Recycling Industries (ISRI) is a private, non-profit trade association representing more than 1,600 private and public for-profit companies – ranging from small, family-owned businesses to multi-national corporations—operating at more than 6,000 facilities in the United States and 30 countries worldwide. Its membership is made up of manufacturers and processors, brokers and industrial consumers of scrap commodities, including ferrous and nonferrous metals, paper, electronics, rubber, plastics, glass and textiles. ISRI's associate members include equipment and service providers to the scrap recycling industry. Manufacturers and sellers of equipment and services—such as shredders, balers, cranes, cargo transporters, computer systems and more—also promote the scrap recycling industry through their membership in ISRI.

ISRI advocates for safety and responsibility in many different areas of the scrap recycling industry – Metals Theft, Electronics Recycling, occupational safety and regulatory compliance of its members. The organization also publishes periodic research on the recycling industry.