Here are links to a number of vendors who sell equipment, gear and more:

Asham Curling Supplies and Equipment
Broom’s Up Curling Supplies
California Curling Supplies
Dakota Curling Supplies
Discount Curling Supplies
Goldline Curling Suppies
Olsen Curling Store
Rocky Mountain Curling Supplies
Steve’s Curling Supplies
The Curling Store
USA Curling Store