http://www.astm.org/Standards/asset-management-standards.html ASTM International

http://www.pas55.net/ PAS 55

http://www.iso.org/  International Organization for Standardization

http://www.ieee.org/ IEEE

http://www.iec.org/ International Engineering Consortium

http://www.ansi.org/ American National Standards Institute

http://www.ntis.gov.au/ National Training Information Service (NTIS)

http://dodssp.daps.dla.mil/ The US Military Standards

http://www.bsigroup.com/ British Standards