Precision Metalforming Association (PMA) - Tool and Die Division
IAMAW - International Association of Machinists & Aerospace Workers
The Association For Manufacturing Technology (AMT) is a national association in promoting manufacturing technology and service business.
NTMA’s mission is to help members of the U.S. precision custom manufacturing industry achieve profitable growth and business success in a global economy through advocacy, advice, education, networking, information, programs and services.
TAG has a Manfacturing society for those "who participate in the technology of manufacturing production and supply chain, and seek innovative thinking and leadership to drive operational excellence."
Engineering Laboratory of the National Institute of Standards and Technology