2600 Store - Offering shirts, hats, stickers, and issues of "2600 The Hacker" quarterly. - http://2600.com
HackersCatalog.com - Offers smartcard hardware, videos on hacking, and software on CDs. - http://www.hackerscatalog.com
Hacker Stickers - Features gear for hackers, coders and geeks such as caffeine Candy, energy mints, hacker T-shirts and stickers. - http://www.hackerstickers.com/
Hacker's Black Book - Sells hardbound book in English and German, CD-Rom and membership access to files. - http://www.hackersbook.com/
Mac Hack CD-Rom - Macintosh Hacking Merchandise for Sale. - http://www.securemac.com/securemacfma.html
The Happy Hacker Bookstore - A very good store for books about hacking and internet security. - http://happyhacker.org/bookstore
Mac Security Store - DEF CON 9 T-Shirts, Discounted books, and Macintosh Hacking Security CDs - http://www.securemac.com/store/
Jinx Hackwear - A store selling many items of hacker clothing. - http://www.jinxhackwear.com
Hackers Home Page - Most comprehensive on-line catalog designed for the serious computer hacker, phreaker, cracker, dss/cable tv user, gambler, spy, and electronics enthusiast. - http://www.hackershomepage.com
Think Geek - These people sell a broad range of hacker/geek related products. They sell everything from Jolt cola to Hacking Exposed. - http://www.thinkgeek.com
hackerthreads.com - Sale of caps, T-shirts and jackets to hackers not crackers - http://www.hackerthreads.com