Inter-Island Solar Supply

Founded in Honolulu, Hawaii in 1975, Inter-Island Solar Supply is a member of The Solaray Corporation (TSC) family of companies. Inter-Island Solar Supply (IISS) has grown to become one of the world's most experienced wholesale suppliers of renewable energy components and systems. Its solar thermal and solar electric divisions are staffed by sales, design and engineering professionals with over 200 years of combined solar industry experience.