Mercury Games
- Provides information on the company, along with news, updates, and a collection of links [Australia].
- http://members.ozemail.com.au/~mercuryg/

Harlequin Games
- evelops and sponsors fantasy turn-based strategic games including Legends, Serim Ral and Exile. Provides information on each game, testimonials, and a portfolio of each fantasy wargame published [United Kingdom].
- http://www.harlequingames.com/

Pegasus Productions
- Offers news updates, rules, and strategy resources of the game Alamaze [United States].
- http://www.pegasusprod.com/

Games By Mail
- Offers a football management simulation game. Houses information on how to join, what the game's about, and pricing details [United Kingdom].
- http://www.gamesbymail.co.uk

Dark Well Space
- Features general information on the role playing game, along with news, maps, and rules sections [United States].
- http://www.macnexus.org/users/davidpeterson/darkwell.html

Pagoda Games
- Features news, gaming resources, and information on available games [United Kingdom].
- http://www.pagodagames.co.uk/

Rolling Thunder Games, Inc
- Includes a "what's new" section, company information, and gaming policies [United States].
- http://www.rollingthunder.com/

Reality Simulations, Inc
- Featured games include Duelmasters, Hyborian War, and Forgotten Realms. Offers a brief introduction to the concept of play by mail games, company information, and rules [United States and Australia].
- http://www.reality.com/

Game Systems, Inc
- Features include hints and articles, FAQ section, information on the general concept of play by mail games, and how to register for some of the games that are being offered [United States].
- http://www.gamesystems.com

Undying King Games
- Includes reviews, news updates, rules, background, and example turns for their play-by-mail games.
- http://www.ukg.co.uk/

Madhouse UK
- Includes a "ground floor" and "higher floors" section, featuring forums, chat rooms, feedback forms, and gaming information [United Kingdom].
- http://www.madcentral.com/index.htm

Advanced Gaming Enterprises
- Offers products covering Fantasy and Science Fiction genres including a mix of human and computer moderated games. Includes gaming issues, links, and industry news [United States].
- http://www.ageforfun.com

Shadow Island Games
- Provides information on Olympia, a large-scale strategic fantasy simulation. Features a brief introduction to the game, along with turn reports and web archives [United States].
- http://www.pbm.com/

Flying Buffalo Inc
- Offers news on games provided, rules, a winners list, and a FAQ section [United States].
- http://www.flyingbuffalo.com