North Carolina, the Tar Heel State,is arguably the most improved of the top-five states in 2010, moving from No. 9 to No. 4,with a total score of 1381 points.
The state has now made the top ten in each of CNBC's four America's Top States For Business surveys.
North Carolina made the top five in one individual category and the top ten in two others.
The state finished in the top third in one key category—Cost of Doing Business—where it earned 283 points out of a possible 450.
Despite the big overall move up the rankings, North Carolina fell in three categories.
Complete Rankings: 2009 20082007