The Minor Metals Trade Association (MMTA) is a not-for-profit organisation, which serves to benefit and promote the interests of its international Membership, comprising companies actively involved in all aspects of the international minor metals sector. If your company has a commercial interest in these metals and would like to know more about the work of the MMTA, or if you simply wish to discover more about this intriguing group of metals, this site will provide answers to many of your questions.