BTMA is a member of The Engineering and Machinery Alliance. EAMA is an 'umbrella' organisation of like-minded associations that represent SME manufacturers in the UK. They act in concert on common lobbying issues and other representational activities. Their motto is: Helping firms make it in Britain.

This site is primarily designed for buyers of Turned Parts and Precision Machined Components plus Turned Parts and Precision Machining companies wishing to join the industry's Trade Association. The site contains a comprehensive database of the Association's Full member companies, including the Technical members (Machine Tools, Plating, Heat Treatment, IT, Metrology, Cutting Fluids, Legal,Raw Materials, Tooling and Services).