U.S. companies performed over $294 billion in research and development (R&D) in 2011, according to the Business R&D and Innovation Survey (BRDIS) – a business survey conducted annually by the U.S. Census Bureau and the National Science Foundation. Companies funded an overwhelming majority of the industrial R&D conducted in the U.S. (81.2 percent, approximately $238.8 billion). Approximately $55.3 million of industrial R&D (18.8 percent) was funded by other sources, predominately from the federal government ($31.3 billion). U.S. industrial R&D spending accounted for approximately 81 percent of worldwide R&D performance – $363.3 billion in total industrial R&D in 2011.