Originally Posted by Uncle Lester
BioWare developed BG1&2, Black Isle published it. BioWare also developed Infinity Engine. Black Isle Studios (whose key members later went on to form Troika and Obsidian) developed Fallout 1&2, Planescape: Torment and Icewind Dale.

oups :P my mistake smile but there is a lot of miss match information on the web

Interplay Entertainment
published all Baldur's Gate games
Black Isle Studios and bioware are the dev.

[Linked Image from i.ibb.co]