Are there still any other good video card makers besides Nvidia and ATI?

For quite some time now, it seems that Nvidia and ATI (now owned by AMD) have been the only two major brands of video cards that most people consider for intense graphical applications and games. Some years ago, I remember there being other popular brands such as Matrox, S3, Diamond, Trident, and others. I think Nvidia and ATI make great products, but I'm just curious, are there still video cards being made by any other companies that are good for gaming and other 3D-intense applications?