Side Effects Software
Creators of Houdini a full 3d package used in high end visual effects.
Creators of Maya, 3d Studio Max, and Softimage. All three are high end solutions for 3D character and effects animation.
Creaters of compositing software Nuke.
Creaters of 3d equalizer Matchmoving software.
Creaters of LightWave 3D software.
This Canadian company makes Digital Fusion, A software product used for compositing of 3d elements and effects.
This company makes Photoshop, and After effects, two software packages used for creating textures (Photoshop) and for compositing (After effects).