Core Design Developers of the Tomb Raider series. http://www.core-design.com/

Eidos Interactive Developers of games such as Deus Ex and Daikatana. http://www.eidos.com/

Adventureland: Core Design Short company information and a detailed list of the adventures they have published. http://www.if-legends.org/~adventure/Core_Design.html

Epic Games Developer of the Unreal series and Age of Wonders. http://www.epicgames.com/