U.S., international, and foreign standards may be ordered from:

Global Engineering Documents (IHS)
Phone: 800-854-7179
Fax: 303-397-2740

NSSN of the American National Standards Institute (ANSI) 
Phone: 212-642-4980
Fax: 212-302-1286   

Or by contacting a Standards Developing Organization who directly offers their standards.

Note: The ANSI B11 series machine tool safety standards are available on the AMT website ANSI B11 Standards

If you have questions regarding orders, contact Pam Kachel at 703-827-5274 or pkachel@AMTonline.org