There are many companies bringing VR to the marketplace but they are no longer in direct competition - instead they've banded together to form the Global Virtual Reality Association, GVRA. Members include Facebook (Oculus), HTC (Vive), Google (Daydream), Sony (PS VR), Samsung (Gear VR) and Acer (Starbreeze). Notably absent are Microsoft (which today detailed their Holographic VR headsets) and OSVR (backed by Razer, Leap and Intel). Also, Valve is not listed, even though it was HTC's partner in developing the Vive. The Association will work together to promote VR and to establish best...
Source: http://www.gsmarena.com/global_vr_association_formed_by_samsung_sony_htc_google_others-news-22065.php