NIST
www.nist.gov
National Institute of Standards and Technology......

ANSI
www.ansi.org
The American National Standards Institute is a private-sector, non profit, membership organization......

NCSL
http://www.ncsli.org
National Conference of Standards Laboratories......

LAB
www.l-a-b.com
Laboratory Accreditation Bureau......

UL
www.ul.com
Underwriters Laboratories.....

ASQ
www.asq.org
ASQ is a society of individual and organizational members dedicated to the ongoing, development, advancement, and promotion of quality concept, principals, and techniques.....