Why did Pioneer change their name?

Americana Community Bank 3 BANKFIRST FINANCIAL SVC 5 Citizens Bank of Swainsboro 2 Connecticut Community Bank, National Association 5 Corydon State Bank 1 Cross Keys Bank 9 FIRST CITIZENS National Association National Bank 8 First Eagle Bank 12 First Missouri State Bank 1 First National Bank of Nokomis 2 FLUSHING Bank 12 KLEBERG Bank National Association 4 Midwest Regional Bank 8 MINNWEST Bank 12 NELNET Bank 20 OAK VALLEY Community Bank 11 PLAINS State Bank 3 Princeville State Bank 3 West Point Bank 21 Wheaton College Trust Company, National Association 26