The Association for Manufacturing Technology (AMT) is a trade association based in McLean, Virginia in the United States founded as the National Machine Tool Builders Association (NMTBA) in 1902. It represents and promotes the interests of American providers of manufacturing machinery and equipment.
The AMT’s most visible activity is its management of the International Manufacturing Technology Show (IMTS), which is held on even-numbered years at McCormick Place in Chicago, Illinois.
The AMT is a committee-driven organization that services the manufacturing community through volunteer participation of its membership. Examples of activities fostered by the AMT include:
Standardization of the taper used on Computer Numerically Controlled (CNC) milling machines. See Machine taper for a discussion of NMTB tapers.

Initiation of MTConnect, a standard for open web-based communication to manufacturing equipment.
Publication of recommended standards for manufacturing related activities.
Hosting and participation in standards committees, including NFPA 79, ANSI B11 Safety Standards.
Annual Technology Forums in cooperation with the National Center for Manufacturing Sciences.
Representing manufacturing interests in Washington.
Providing manufacturing statistical data for publications.

AMT also supports their membership with technology centers and representative offices in China, India, Poland & Mexico.