Shoes/Clothing:
Celtic Daughters -Solo Dresses
Rutherford Products -Shoes
Fay's Dancing Shoes -Shoes

Irish Dance Music:
Irish Records International
Olive Hurley's Irish Dance Music

Local Irish Step Dance Schools:
O'Shea-Chaplin Academy
Richens-Timm Academy of Irish Dance
Harney Academy

Additional Links for Beginners:
Theresa's Irish Step Dance -A 14yr old novice
Irish Dancing - Hints for Beginners (and Their Mothers)
-This site plugs a book but is good

Additional Links for All Levels:
Ann's Place -Extensive links, references
Irish Step Dancing: A Brief History -Don Haurin & Ann Richens, Richens Academy of Irish Dancing, Ohio

North American Feis Commission (NAFC):
NAFC Feis Schedule
NAFC Feis Rules

Publications:
Irish Dancing Magazine

Message Boards:
Irish Step Dancing Message Board - Unmoderated discussion with Irish Step Dancers around the world.
Champion Irish Step Dancing Message Board - Unmoderated discussion with Irish Step Dancers around the world.
Boys Irish Step Dancing Message Board - Unmoderated discussion with Irish Step Dancers around the world.