An American National Standard (ANS) is a voluntary consensus standard that is developed in accordance with the ANSI Essential Requirements: due process requirements for American National Standards and subject to ANSI's neutral oversight and approval.
Access to commercial standards requires purchase of the standards from the American Society for Testing Materials

America makes convenes government, industry, academia, the workforce, and economic development organizations to accelerate additive manufacturing (AM) adoption and support global U.S. manufacturing competitiveness.
The mission of the program is to anticipate and close gaps in manufacturing capabilities for affordable, timely, and low-risk development, production, and sustainment of defense systems through technology development and adoption and training.
DSI is a premier non-partisan institute designed to assist in advancing the mission critical goals of the United States Military and Government.
DMC is the nation's annual forum for enhancing and leveraging the efforts of engineers, managers, technology leaders, scientists, and policymakers across the defense manufacturing industrial base.
DIU strengthens our national security by accelerating the adoption of leading commercial technology throughout the military and growing the national security innovation base.