AnyStamps
Offers topical and country-specific packets.
http://www.anystamps.com/

Bait Tov
Specializes in Israeli and topical issues.
http://www.bait-tov.com/

Bob Cornett's Duck Stamps & Prints
Offers hunting permit issues and related artwork.
http://www.duckstamps-prints.com/

Brookman Stamp Company
Offers worldwide issues, duck and hunting stamps, and supplies.
http://www.brookmanstamps.com/

C. Piano
Offers U.S. and Christmas seals lots.
http://hometown.aol.com/ceepiano/

Champion Stamp Co.
Concentrates mainly on worldwide bulk lots.
http://www.championstamp.com/

Christ-Stamps
Specializes in German issues, postcards, and covers, plus worldwide issues.
http://www.christ-stamps.com/

Connecticut Cinderellas
Offers fantasy and revenue issues.
http://www.ctcinderellas.com/

Connections
Specializes in U.S., mint Canadian, and worldwide topical issues.
http://www.stampconnections.com/

Connexus
Offers U.S. and British Commonwealth issues, plus postal history and postcards.
http://www.stampsandstones.com/

Dunedin Stamp Centre
Specializes in New Zealand, including regular issues, fiscals, and Cinderellas.
http://www.dunedinstamps.co.nz/

E. S. J. van Dam
Specializes in Canadian revenues and semi-official air mail issues.
http://www.esjvandam.com/

Edward Hines
Specializes in U.S. and worldwide postal history, classics, and fancy cancels.
http://www.edhines.com/

Eric Jackson Revenue Stamps
Specializes in U.S. and Canadian fiscal issues.
http://www.ericjackson.com/

Fine Framing
Sells framed thematic prints related to U.S. postage issues.
http://www.fineframing.biz/

Frank Geiger Philatelists
Sells worldwide and thematic issues, including lots and collections.
http://www.worldstamps.com/

Gary Gompf Sales
Offers worldwide issues and lots.
http://www.gg-s.com/

Geo Times
Offers Vatican City and topical issues, plus coins.
http://www.geoprogram.com/

Gold Stamps
Sells 22k and 23k gold issues of Staffa.
http://www.goldstamps.com/

Henry Gitner Philatelists
Offers worldwide issues, including discount U.S. postage.
http://www.hgitner.com/

Heritage Stamps
Wisconsin-based dealer sells U.S. and worldwide issues and packets, duck stamps, and topicals.
http://www.heritagestamps.us/

Herrick Stamp Company
Sells worldwide issues, covers, and rarities.
http://www.herrickstamp.com/

Jack & Jill's Kiloware
Sells mixtures and bulk lots.
http://www.kilowarestamps.com/

Jamestown Stamp Company
Offers U.S., Canadian, and topical issues.
http://www.stamp-co.com/

K. Bileski
Specializes in Canadian revenues.
http://www.bileskistamps.com/

Ken Hozeski
Sells topical and worldwide issues.
http://www.stampsfromken.com/

Kilowarecenter
Holland-based company sells country and worldwide mixes.
http://www.kilowarecenter.com/

Lehmann Christmas Test Seal Covers
Sells prepared envelopes bearing American Lung Association labels beginning in 1981.
http://www.dklplus.com/covers/

Lichtman Stamps Wholesale
Sells bulk lots of various worldwide and topical issues and covers.
http://www.lichtmanstampswholesale.com/

Marlen Stamp and Coins
Offers topical and worldwide issues.
http://www.marlen-stamps.com/

Philnet
Offers worldwide packets and phone cards.
http://www.philately.net/philnet/customer/home.php

Phoenix International
Sells worldwide issues, postal history, and Cinderellas.
http://www.phoenix-stamps.co.uk/

Phoenix Stamp Company
Specializes in Scandinavia, Baltic States, and U.S. duck issues.
http://www.phoenixstamps.co.uk/

PostBeeld
Sells worldwide and topical issues, postal stationery, and supplies.
http://www.postbeeld.com/

Rainbow Stamps
Specializes in Australia, plus worldwide and topical issues.
http://www.rainbowstamps.com.au/

Sam Houston Duck Co.
Specializes in duck stamps and related hunting and wildlife issues.
http://www.shduck.com/

Scotland-Stamps
Offers private thematic issues from Staffa, Grunay, and the Bernera Islands.
http://www.scotland-stamps.com/

Shoe Box Stamps
Specializes in U.S. issues and FDCs, German issues, and worldwide covers.
http://www.shoeboxstamps.com/

Shop O' Stamp
Offers topical packets and U.S. year sets.
http://members.aol.com/shopostamp/

Stampex
Sells worldwide and thematic issues.
http://www.stampexstampex.com/

Stamps Oversea
Sells worldwide issues, covers, and post cards.
http://www.greuel.de/

Stamps-Auction
Sells worldwide issues and postal history.
http://www.stamps-auction.com/

Stamps-etc
Sells worldwide issues, Cinderellas, and collections.
http://www.stamps-etc.com/

Stamps2Go
Multi-seller storefront offering worldwide issues.
http://www.stamps2go.com/

Stampstudio
Offers worldwide issues, topicals, and Cinderellas.
http://www.stampstudio.com/

Sydney Philatelics
Dealer specializing in Australia, British Commonwealth, and WWF issues.
http://www.sydphil.com/

T. H. Richardson
Sells duck stamps and other hunting and fishing permit issues, used licenses, and prints.
http://www.trducks.com/

The Collector's Paradise
Offers worldwide issues and postcards.
http://www.elparaisodelcoleccionista.com/

The Printer's Stone
Offers poster stamps and Cinderellas.
http://www.printerstone.com/

WMA Stamps
Specializes in Indonesian and WWF issues.
http://www.geocities.com/yuswma/