We suggest these sites for "state of the industry information" extending over the leading edge of improvement

www.Janitronicsinc.com          

www.CIRI-Research.org      

www.Pro-Team.com

www.issa.com     
Check out the New Cleaning Industry Management Standard Certification (CIMS)

www.cminstitute.net

www.Maids.com

www.AshkinGroup.com  Up to date information on Green Cleaning

www.carpet-rug.org

www.bscai.org

www.Kaivac.com

www.Ungerusa.com