Which banks are regional banks?

American Exchange Bank 16 AmeriFirst Bank 6 Bonanza Valley State Bank 5 Bristol Morgan Bank 16 Commercial State Bank of Wagner 3 Community Savings Bank 13 DBA FIRST CONVENIENCE Bank 16 Farmers & Miners Bank 5 First Security Bank West 3 First State Bank of DeQueen 7 FIRST SVC Bank 5 Heritage Bank, National Association 17 Mercer Savings Bank 22 Miami Savings Bank 7 Middletown State Bank 2 QUAD CITY B&TC 11 SOFI Bank National Association 27 Solutions Bank 5 Trust Bank 11 Western National Bank, Cass Lake 2