A man's hands holding a pile of perlite over an open bag of Supreme Perlite product

Supreme Perlite

Expanded Perlite Products in Portland, OR and the PNW

Supreme Perlite is committed to serving a wide variety of industries with exceptional quality perlite products and service. Through client-focused solutions, we aim to drive innovation, be a leader in our industry, and play an active role in the many industries we serve.

Industries & Applications

Greenhouse, nursery, container growing, potting soil amendment, hydroponics
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Stormwater filtration, wastewater filtration, liquid waste adsorbents
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Lightweight aggregate, loose fill insulation, under slab insulation, fireproofing
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Cryogenic tank insulation, slag skim, industrial filter-aid
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Field soil amendment, hydroponics, and organic gardening
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Protecting Our Environment
Supreme Perlite is committed to sustainability and evaluating the environmental impact of our industry. Our products are made with 100% naturally occurring perlite ore. Only heat is added during the expansion process, making it a versatile and low-impact material. Read more on the sustainability initiatives we have implemented and how perlite can help you meet performance goals for your own products.

The Pacific Northwest's leading manufacturer of expanded perlite products since 1954.