- www.bscai.org - Building Service Contractors Association International (BSCAI)
- www.cdc.gov - Center for Disease Control (CDC)
- www.epa.gov - Environmental Protection Agency (EPA)
- www.fda.gov - Food & Drug Administration (FDA)
- www.healthyschoolscampaign.org -Healthy Schools Campaign
- www.ieha.org - International Executive Housekeepers Association (IEHA)
- www.issa.com - International Sanitary Supply Association (ISSA)
- www.osha.gov - Occupational Safety and Health Administration (OSHA)
- www.usgbc.org - US Green Building Council (USGBC)
- www.who.int - World Health Organization (WHO)
