Buckboard Too
Provides collectibles by Coca-Cola, Pepsi, Anheuser-Busch Steins, John Deere, I Love Lucy, Wizard Of Oz, and advertising items.
http://www.buckboard2.com

Campbell Soup Community Shop
Official site offers a variety of Campbell Soup collectibles. Online Ordering.
http://www.imageexchange.com/mvx10/engine.cgi?store=campbells

Collector's Connection
Advertising collectibles include M&M's, Energizer Bunny, airline related, and cereal related.
http://www.collectorsconnection.com/advert.htm

Creek House Antiques
Offers their own book, paint cans, signs and toys.
http://www.creekhouseantiques.com/

Gasoline Alley Antiques
Offers antique and collectible toys and dolls, diecast cars and trucks, comics, movie, celebrity, and sports memorabilia, premiums, and Petroliana.
http://www.gasolinealleyantiques.com/

Gator Trading Co.
Store offers a nice variety of advertising related collectibles such as pin back buttons, premiums, and tins.
http://www.tias.com/stores/gator/

Got Milk?
Buy Got Milk? gear, goodies and gifts.
http://www.gotmilk.com/

Hakes Americana & Collectibles
Sells advertising collectibles and offers Hakes Price Guides with some relating to advertising characters and items.
http://www.hakes.com/

HeinzStuff.com
Offers collectibles, apparel, toys, and kitchen items all bearing the famous Heinz name.
http://www.heinzstuff.com/

Judy Posner Collectibles
Nice selection of advertising characters and collectibles such as Mr. Peanut, and Borden's Elsie the Cow. Also offers Disneyana, Black Americana, salt and pepper shakers.
http://www.tias.com/stores/jpc/

Lehmann's Antique Advertising & Collectibles
Advertising collectibles for sale include tobacco, food, beverages, tins, postcards, and pinback buttons.
http://www.tias.com/stores/lehmann/

Roadside Classics.com
Preserving historic American gas station items. Vintage products include restored original antique gas pumps, oil lubesters, classic soda vending machines, and porcelain signs.
http://www.roadsideclassics.com/

Specialty Gifts & Collectibles
Collectibles and gifts include Campbells, Coca-Cola, Pepsi, Texaco, Mug Root Beer, Pillsbury, John Deere, and Betty Boop.
http://www.midwest-plaza.com/

The Dog House
Specializes in advertising collectibles including soda, beer, coffee, gas, oil, insurance, automotive. Large selection of paper advertising, labels, tradecards, postcards, letterheads, and billheads.
http://www.thedoghaus.com/

TootsieShop.com
Clothing, home accessories, jewelry, stationery and baby bibs with Tootsie candies themes, including Junior Mints, Dots, and Sugar Babies.
http://www.tootsieshop.com/