Crack Creative (http://www.crackcreative.com) developed a new production technology called "Virtual Production" for Avatar back in 2005. It allows directors to shoot CG motion capture characters and settings interactively like an actually location.

Pace Camera (http://www.pacetech.com/) developed the 'fusion' 3d camera to film(HD) the live action parts http://www.nowpublic.com/3d_hd_fusion_camera_from_pace.