International Waste Limited

International Waste Limited (Interwaste) is a New Zealand owned integrated specialist hazardous waste collection, treatment, recycling and disposal company. Interwaste is New Zealand's largest and only nationwide company that provides comprehensive waste collection, treatment and disposal solutions for the management of medical, clinical and bio-security wastes. Interwaste also offers secure destruction services and specialist recycling initiatives for mercury and other hazardous wastes.

Interwaste holds Enviro-Mark Gold certification for its Auckland, Wellington, Christchurch and Dunedin sites.