Perfect Touch
Modeling and sculpting tools for small-scale sculpting.
http://www.perfect-touch.com/

Polymer Clay Express
International supplier offering Fimo, Premo, Sculpey, and Cernit. Instructional books and videos, tools, molds, additives, embellishments, and finishing supplies.
http://www.polymerclayexpress.com/

Prairie Craft Company
Features Fimo, Premo, and Sculpey brand items, instructional books and videos, silk painting kits, and a gallery of works for sale by artist Donna Kato.
http://www.prairiecraft.com/

Lucky Squirrel
Information on PolyShrink plastic sheets. Includes a FAQ, project ideas, and store listings.
http://www.luckysquirrel.com/

Poly-Tools and Treasures
Bead shaping tools, clay slicing tool, hand designed items, and fine handcrafted wood treasures.
http://www.poly-tools.com/

MisterArt.com
Discount art supply store features Fimo, canes, and some push molds.
http://www.misterart.com/index.cfm

Zigzag Polymer Clay Supplies
Variety of accessories including clays, books, videos and tools.
http://www.zigzag.co.nz/

Creative Paperclay
Offers air hardening modeling materials and clays. Also projects, lesson plans, and guidelines.
http://www.paperclay.com/

Precious Metal Clay
Features product details for silver and gold, as well as various tools, paragon, kits, and kilns.
http://www.metalclay.com/

Think Ink
Selection of embossing powders, foils, and accessories.
https://www.thinkink.net/Qstore/Qstore.cgi?CMD=007&DEPT=994883787&BACK=A0001A1

The Clay Alley
Premo, Pearlex powders, eraser clay, stamplets, dental tools, sculpting tables, tools, molds, hinged mint tins, jewelry findings, molds, miniature cookie cutters, Weldbond glue, and acrylic rods.
http://www.clayalley.com/

Polymer Clay Pit
Offers sculpey, fimo, and starter packs. Also features tools, accessories, molds, and instructional material.
http://www.polymerclaypit.co.uk/

Shades of Clay
Selection of spectral, metallic, and neutral colors, blades, and accessories, as well as a magazine specific to the medium.
http://shadesofclay.com/

Over the Rainbow
Supplier of items such as polymer clay, metallic powders, crafting tools, jewelry findings, craft wire, design books, and poly-shrink plastic.
http://www.polymerclay.com.au/

Kitiki
Supplier of silver, gold and cork clay, kilns, tumblers, tools, and materials. Classes given locally, in the UK.
http://www.kitiki.co.uk/

Puffinalia
Consumables, specialty tools and paints for polymer clay and jewelry artists.
http://www.puffinalia.com/

The Petal Shoppe
Selling petal paste, a cold porcelain sculpting compound to create flowers and figurines.
http://petalshoppe.com/

Clay Factory, Inc.
Suppliers of polymer clay modeling consumables, tools and accessories.
http://www.clayfactory.net/

Argentice
UK supplier of PMC (precious metal clay) and the associated jewellery making tools, findings and materials.
http://www.argentice.com/

ClayPrincess
Selection of FIMO, Sculpey, kits, push molds, stone texture clays, and instruction books.
http://clayprincess.com.au

Garie's Shop
Products, tools, accessories and art shop in Singapore
http://www.garieinternational.com.sg/clay/shop/product.html

Picture Perfect Renditions
Sculpey, Premo, Cernit and Prosculpt, as well as tools and Kemper cutters.
http://www.marieredmondartsandcrafts.com/

The Clay Store
Accessories, project tutorials, and free forum. Coverables, molds, clay cutters, jewelry and bead making supplies.
http://www.theclaystore.com/

Polymer Clay World
Selection of clay, tools, embellishments and projects.
http://www.polymerclayworld.com

LifeLike Clay
Offers air hardening modeling materials and clays. Non-toxic, no baking or firing in a kiln.
http://www.lifelikeclay.com/