Several classes of membership are available to the prospective company member depending on the type of business that the company is engaged in.

Regular membership is open to firms engaged in the expansion and sale of perlite products and to firms involved in the mining, crushing and selling of perlite ore.

Regular membership is also open to firms actively producing or applying perlite products and to firms engaged in the manufacture and sale of perlite expanding equipment.

Associate membership is available to firms not eligible to apply as regular members but are involved in the manufacture and supply of products used in connection with mining or packaging of perlite or perlite products. Details of these classes of membership are covered in the By-Laws of the organization.

In order to apply for membership, please complete this form and return it to the Perlite Institute office along with your payment.

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