The National Tooling & Machining Association (NTMA) promotes manufacturing businesses to potential customers, government, and communities. NTMA is the national representative of the custom precision manufacturing industry in the United States. For the most part, NTMA members are small businesses, yet the industry generates sales in excess of $25 billion a year. Our members design and manufacture special tools, dies, jigs, fixtures, gages, special machines, and precision machined parts. Some firms specialize in experimental research and development work.