Supreme Perlite Company
Founded in 1954, Supreme Perlite is the Pacific Northwest’s oldest and largest perlite expander. Family-owned with operations base in Oregon, USA, Supreme perlite products are distributed throughout the northwestern US, Western Canada, and into the Pacific Rim.
Supreme Perlite makes perlite grades for Horticulture, Construction, Industrial, Filtration, Insulation, and Environment markets.
4600 North Suttle Road
The Supreme Perlite Co plant.