American Stamp Dealers Association, Inc.
A great resource for the official ASDA dealers, which also includes a commercial bulletin board.

American Philatelist Society's Dealers List
A searcheable list of Dealers affiliated with APS.

Henry Gitner Philatelists
Mountains of Stamps! Mountains of Savings! Page constantly updated.

Stamp Dealer Central Interactive
Stamp Dealer Central (SDC) specializes in stamps for collectors, with an on-line Interactive Websuite concept for their dealers' web pages.

Seven Seas Stamps
The largest mail-order philatelic company in the Southern hemisphere. Visitors could shop on-line or could download the want lists (Word 6 format) for off-line browsing and ordering.

Toscana Philatelic Dealers Association
A list of dealers and stamp collectors in Italy.

Stampfinder.com's Dealers
The Global Electronic Stamp Exchange for Collectors and Dealers offers a searchable database for stamp offerings (by item or topic), Covers and Specialties (with images).