RealD is based in California, US, and is involved in 3D for cinema and the home. For cinemas, they provide hardware and software solutions, and has the most widely deployed 3D projection system in the world (5,321 theater screens). RealD are working with several partners (including Sony, Samsung, JVC, Panasonic and Toshiba) to bring 3D to the home.
RealD also offers stereoscopic technologies used in science, manufacturing, marketing, and other industries. They are planning to IPO in 2010.
RealD's web site