Hawaii has the highest percentage of middle market businesses owned by non-whites in the country, according to a recent report from American Express and Dun & Bradstreet.

The Aloha State also had a higher than average percentage of female-owned businesses, according to the Middle Market Power Index: The Growing Economic Clout of Diverse Middle Market Firms. It surveyed only businesses generating from $10 million to $1 billion in annual revenues.

Hawaii has an estimated 518 middle market firms, and 21 percent have non-white owners, compared to the national average of five percent, the report states. Hawaii was followed Alaska, Virginia, New Mexico and Maryland in percentage of non-white-owned businesses.

Among the 136,603 middle market firms in the U.S., approximately six percent are owned by women. In Hawaii, eight percent of such firms are female-owned.

Nationally, Alaska, Virginia, Maryland and Michigan had the greatest percentage of female-owned businesses, ranging as high as 13 percent.