Plastic:
For plastics and Wonder Flex, I buy from Mainstage Theatrical Supply -
http://www.mainstage.com/
Fabric:
I've boughten a lot of different fabrics from Distinctive Fabric -
http://www.distinctivefabric.com/
If you're lucky enough to live near Vouge Fabrics, go there, but otherwise, here's their online store -
http://www.voguefabricsstore.com/store/ ... index.html
Wigs & extensions:
Ragdolly.net -
http://ragdolly.net/
Other misc:
Corset supplies~
Richard the Thread -
http://richardthethread.com/ (I have purchased from them and I'm very happy!)
Corset Making -
http://corsetmaking.com/ (I've also ordered from them and it's been good)
Farthingales (from Canada, but still reasonable for people in the US to purchase from, too) -
http://www.farthingales.on.ca/
I'll dig through my links more when I get a chance, but this was what I currently had on hand
