Dogwood Montessori

http://teachersites.schoolworld.com/webpages/BMooney1/ My Teacher Pages

http://montessori-n-such.com/ My favorite, because it is much more affordable!

http://www.montessoriservices.com Great site for the 3 to 6 year old classroom

http://www.michaelolaf.com/ Wonderful resource providing insightful information for parents, as well as stunning materials for infants and toddlers

http://www.nienhuis.com/ The number one Montessori Materials supply company! Expensive