Any firm, organization, partnership or company, registered as a business or incorporated as a company, and carrying on business of supplying and distribution of building materials, provided that they are invited to apply for membership by the Executive Committee, or that it is a distributor or building materials by reason of direct appointment as such by a manufacturer thereof.

Application for membership can be made online or on a prescribed form obtainable free from the Secretariat. If made online, payment of in advance for (i) entrance fee and (ii) annual subscription fee should be sent to the Secretariat for approval by the Executive Committee.