Welcome to

International Specialty Aggregates

International Specialty Aggregates (ISA) has been operating in the Southland province of New Zealand since 2002. We quarry, screen, package and distribute a variety of colours and grades of pebbles, direct to our customers, within New Zealand and across the globe. 

Our product is considered by our customers as 'the best in the world!' Our beautiful decorative pebbles are suitable for use in swimming pool finishes, landscaping projects, exposed aggregate flooring, countertops and much, much more.