AMERICAN NATIONAL STANDARDS INSTITUDE

AMERICAN SOCIETY OF HEATING REFRIGERATING AND AIR-CONDITIONING ENGINEERS http://www.ashrae.org/

INTERNATIONAL ORGANISATION FOR STANDARDIZATION  http://www.iso.org/iso/home.htm

UNITED STATES FOOD AND DRUG ADMINISTRATION  http://www.fda.gov/

AMERICAN SOCIETY OF MECHANICAL ENGINEERS 

INTERNATIONAL SOCIETY FOR PHARMACEUTICAL
ENGINEERING http://www.ispe.org/

INTERNATIONAL CONFEDERATION OF CONTAMINATION CONTROL SOCIETIES http://www.icccs.net/

PARANTERAL DRUG ASSOCIATION  http://www.pda.org/

INSTITUTE OF ENVIRONMENTAL SCIENCES AND TECHNOLOGY http://www.iest.org/i4a/pages/index.cfm?pageid=1