Macintosh Directory
Category Websites
+1
The Iconfactory
Developer, of freeware icons for the Macintosh and home of the 'Pixelaplooza' contest, an annual forum for all icon artists. Links to other interconnected icons sites.
http://www.iconfactory.com/
+2
Stockicons.com
Professional-quality, royalty-free icons at affordable prices. Our icon collections are specially designed to be used in a variety of commercial works, development projects, and websites.
http://www.stockicons.com