Below is a working list of publishers of Tabletop RPG Material. Please add to and update this list as things change.
Key:
[MAG] prints a magazine [BK] prints books [PDF] produces an electronic product [OGL] develops supplemental d20 material, in accordance with the Open Gaming License [4e] develops for D&D 4th Edition [PF] develops for Pathfinder [AGE] develops for AGE [In] develops an in-house system, as opposed to supplemental material [Sub] allows outside submissions [FL] pays for FreeLance work [FT] employs people full time [Ac] actively developing new content
- 4Winds [BK][PDF][PF]
- Alderac Entertainment Group (CA) [BK][OGL][In][FT][Ac]
- Blackbyrne Publishing [BK][PDF][4e][PF][Ac]
- Catalyst Game Labs [BK][PDF][Ac]
- Claw Claw Bite [PDF][4e][PF][Ac]
- Cubicle 7 (UK) [BK][PDF][FT][FL][Ac]
- Dark Light Interactive[4e][PDF][Ac]
- Eden Studios [BK][PDF][In][Ac]
- Evil Hat Productions [Sub][In][Ac]
- Fantasy Flight Games [BK][Ac]
- Fire Mountain Games [PDF][PF][Ac]
- Frog God Games [PDF][OGL][In][Ac]
- Green Ronin Publishing [BK][PDF][AGE][FL][In][Ac]
- [http://www.interactionpoint.com/|Interaction Point]] [BK][PDF][PF][In][Ac]
- Jon Brazer Enterprises [BK][PDF][PF][Ac]
- Kobold Quarterly/Open Design [4e][PF][AGE][Sub][PDF][MAG][FL][Ac]
- Magpie Games[In][Ac]
- Margaret Weis Productions [BK][PDF][FL][In][Ac]
- Mongoose Publishing [BK][PF][Ac]
- Paizo [BK][PF][PDF][FL][In][Ac]
- Pinnacle Entertainment Group [BK][PDF][In][Ac]
- PostMortem Studios [PDF][Ac]
- Steve Jackson Games [FT][BK][In][Ac]
- Super Genius Games [PDF][4e][PF][OGL][Ac]
- Taurus Twelve [PDF][4e][PF][Ac]
- White Wolf Publishing [FT][BK]
- Wizards of the Coast [4e][FT][BK][Sub][FL][In][Ac]
- Ye Olde Gaming Companye [BK][PDF][In][Ac]