What do state banks do?

Audubon State Bank 6 Bank of Glen Burnie 8 Bank of O'Fallon 4 BANK OF SUN PRAIRIE 2 CADENCE Bank 12 CAMDEN National Association National Bank 16 CIBC Bank USA 18 CRESCENT Bank 15 ENCORE Bank 14 Farmers & Merchants National Bank 1 Farmers & Merchants National Bank 7 First Peoples Bank 4 First State Bank of Forsyth 2 Kaw Valley Bank 4 Mid American Bank 7 O'Bannon Banking Company 2 Patrons Bank, National Association 1 Pine Country Bank 8 TRUIST Bank 7 Waggoner National Bank 3