How do state banks work?

BANK OF NY MELLON TC National Association 14 BEVERLY B&TC National Association 2 BOKF National Association 13 CALIFORNIA Bank OF CMRC National Association 13 CALVIN B TAYLOR BankG CO BERLIN 19 EASTERN Bank 15 FCB BankS 21 First National Bank of Groton 1 First State Bank of Healy 5 FIVE STAR Bank 18 Generations Bank 9 Labette Bank 5 MinnStar Bank, National Association 4 Peoples State Bank of Velva 1 SKYLINE National Association National Bank 7 Stockmens Bank 1 TRUIST Bank 7 Union State Bank of Hazen 4 WAUKESHA State Bank 10 WEST PLAINS B&TC 2