U.S. companies continue to emphasize innovation, as private performance of R&D increased for the fourth consecutive year, according to recently released data from the National Science Foundation. In total, U.S. businesses performed 6.7 percent more R&D in 2013 than in 2012, according to the data, and nearly 19 percent more R&D from 2010 to 2013. Combined, the top 10 states performed approximately two-thirds (65.3 percent) of all private research and development in the United States, led by California, whose $89.4 billion in corporate R&D performance accounted for 27.7 percent of the national total.
