
Alderac Entertainment Group, or AEG, is a publisher of role-playing game, board game, and collectible card game products. AEG was formed by Jolly Blackburn in 1993 and is based in the city of Ontario, California. Prior to getting into their current markets, AEG was involved in hobby gaming magazines, with their first product the magazine Shadis.

Allen and Ginter was a Richmond, Virginia, tobacco manufacturing company formed by John Allen and Lewis Ginter in 1865. Allen & Ginter created and marketed the first cigarette cards for collecting and trading in the United States. Some of the notable cards in the series include baseball players Charles Comiskey, Cap Anson, and Jack Glasscock, as well as non-athletes like Buffalo Bill Cody.

Bandai Co., Ltd. is a Japanese toy maker and a producer of many plastic model kits as well as a former video game company. It is Japan's largest toy maker and the world's fourth-largest toy maker as of 2018 after The Lego Group, Mattel and Hasbro. Some ex-Bandai group companies produce anime and tokusatsu programs. Its headquarters are located in Taitō, Tokyo.

Bench Warmer International is a company that produces trading cards featuring female models. Bench Warmer International is a manufacturers and distributor of collectible trading cards in the U.S. Its motto is "Trading Cards Never Looked So Good". Models are generally featured in swimsuits, wearing baseball gloves or football helmets. A few of the first models featured were Baywatch actresses Cory Givens and Traci Bingham.

Bushiroad Inc. is a Japanese entertainment company producer of collectible card games and trading cards, publisher of mobile apps and games, promotional items and many other venues, which was founded in 2007 by Takaaki Kidani and is headquartered in Tokyo. Bushiroad created and owns various media franchises such as Tantei Opera Milky Holmes. Since 2019, Bushiroad is listed on the Tokyo Stock Exchange and has traded on the TSE since its launch on July 24, 2019.

Chaosium Inc. is a publisher of tabletop role-playing games established by Greg Stafford in 1975. Chaosium's major titles include Call of Cthulhu based on the horror fiction stories of H. P. Lovecraft, RuneQuest Glorantha, Pendragon, based on Thomas Mallory's Le Morte d'Arthur, and 7th Sea, "swashbuckling and sorcery" set in a fantasy 17th century Europe.

Donruss was a US-based trading cards manufacturing company founded in 1954 and acquired by the Panini Group in 2009. The company started in the 1950s, producing confectionery, evolved into Donruss and started producing trading cards. During the 1960s and 1970s Donruss produced entertainment-themed cards. Its first sports theme cards were produced in 1965, when it created a series of racing cards sponsored by Hot Rod Magazine.

Fantom is an online sticker album publisher and software developer founded in 2009. It is a privately owned company based in Dublin, Ireland. The company both sells the software platform to brands and licenses content onto its platform to create online sticker albums. The Fantom Online Sticker Album platform was launched in April 2012, using content from the US Impact Wrestling franchise. The company began life as a social media tool for politics, under the brand iCitizen. When this proved not to be a commercial idea the founders pivoted into the newly defined digital collectibles space. It won a place on the inaugural DCU Propeller Venture Accelerator in 2011, securing a €30,000 investment in the company. Later that year a full Seed Fund round was completed bringing the total of outside investment in the company to €490,000. Investors include the Irish government agency Enterprise Ireland, the AIB Seed Capital Fund and a number of private investors: Kevin Neary, and Bloom Equity.

The Fleer Corporation, founded by Frank H. Fleer in 1885, was the first company to successfully manufacture bubble gum; it remained a family-owned enterprise until 1989.

The Game Crafter, LLC (TGC) is a Madison, Wisconsin-based company that produces tabletop game components and custom print on demand card games and board games.

Goodwin & Company was an American tobacco manufacturer from New York City. Initially E. Goodwin and Brother, the company was founded before the American Civil War. It was known for its cigarette brands "Gypsy Queen" and "Old Judge". In 1890, the company was merged, along with four others, into James Buchanan Duke's American Tobacco Company to create an American monopoly on tobacco product manufacturing and retail.

Headmistress Press is a small press based in Sequim, Washington. Founded in 2013, the press specializes in poetry by lesbian poets. Notable poets who have published collections with Headmistress include Janice Gould, Joy Ladin, Constance Merritt, and Lesléa Newman.

In The Game (ITG) was a sports card manufacturing company founded by Brian H. Price in 1998 with its head office in the United States and an office in Canada. The company mainly produced ice hockey trading cards. In 2014 the right to use the "In The Game" name was transferred to Leaf Trading Cards in Dallas, Texas.

Konami Holdings Corporation is a Japanese entertainment and gambling conglomerate. It produces and distributes trading cards, anime, tokusatsu, slot machines, pachinko machines, and arcade cabinets, and is a video game developer and publisher. Konami has casinos around the world and operates health and physical fitness clubs across Japan.

Leaf Trading Cards, founded in 2010, is a private company that produces trading cards and sports collectibles. Based in Dallas, Texas, it was best known as a producer of sports cards and other lithographic products.

Nintendo Co., Ltd. is a Japanese multinational consumer electronics and video game company headquartered in Kyoto. The company was founded in 1889 as Nintendo Karuta by craftsman Fusajiro Yamauchi and originally produced handmade hanafuda playing cards. After venturing into various lines of business during the 1960s and acquiring a legal status as a public company under the current company name, Nintendo distributed its first video game console, the Color TV-Game, in 1977. It gained international recognition with the release of the Nintendo Entertainment System in 1985.

The O-Pee-Chee Company, Ltd. was a Canadian confectionery company founded in 1911 that produced candy until the mid-1990s. Based in London, Ontario, the company produced its first trading card sets in the 1930s, releasing several collections of baseball, gridiron football and ice hockey cards until the company was sold to Nestlé in 1996.

Pinnacle Brands, Inc. was a US-based manufacturing company of trading cards, focused on sports-related items. Pinnacle produced American football, baseball, hockey and motor sports cards.

Razor Entertainment Group, founded in 2005, was a private company that produced trading cards and collectibles. Based in Dallas, Texas, it was best known as a producer of baseball cards and other lithographic products.
Square Enix Holdings Co., Ltd. is a Japanese video game holding company, best known for its Final Fantasy, Dragon Quest, and Kingdom Hearts role-playing video game franchises, among numerous others. Several of them have sold over 10 million copies worldwide, with the Final Fantasy franchise alone selling 144 million, the Dragon Quest franchise selling 78 million and the Kingdom Hearts franchise selling 30 million. The Square Enix headquarters are in the Shinjuku Eastside Square Building in Shinjuku, Tokyo. Outside of video game publishing and development which the group is more known, Square Enix also is in the business of merchandise, amusement and publication of manga. The company employs some 4600 workers worldwide through its base operations and subsidiaries.

Tomy Company, Ltd. is a Japanese entertainment company that makes children's toys and merchandise. It was created from a merger on 1 March 2006 of two companies: Tomy and long-time rival Takara. The company has its headquarters in Katsushika, Tokyo.

The Topps Company, Inc. is an American company that manufactures chewing gum, candy, and collectibles. Based in New York City, Topps is best known as a leading producer of American football, baseball, basketball, ice hockey, soccer, and other sports and non-sports themed trading cards.

Tristar Productions, Inc. promotes sports collectible events, distributes autographed sports memorabilia, and manufactures and distributes trading cards. The company was founded in 1987, in Houston, Texas, by Jeffrey R. Rosenberg. At Tristar's collectors shows, current and former sports players autograph memorabilia. The organization distributes trading cards for organizations including Minor League Baseball and Total Nonstop Action Wrestling.

The Upper Deck Company, LLC, founded in 1988, is a private company primarily known for producing trading cards. Its headquarters are in Carlsbad, California, United States.

Wizards of the Coast LLC is an American publisher of games, primarily based on fantasy and science fiction themes, and formerly an operator of retail stores for games. Originally a basement-run role-playing game publisher, the company originated and popularized the collectible card game genre with Magic: The Gathering in the mid-1990s. It also acquired the popular Dungeons & Dragons role-playing game by purchasing the failing company TSR, and further increased its success by publishing the licensed Pokémon Trading Card Game. The company's corporate headquarters are located in Renton, Washington, United States.