What is Mercer best known for?

Centinel Bank of Taos 9 Clay County State Bank 6 COMMERCIAL Bank OF CALIFORNIA 12 First American State Bank 6 First National Bank of Henning 1 First National Bank of St. Ignace 3 First Security Bank of Roundup 4 First State Bank of Malta 16 FNBT Bank 6 Four States Bank 1 FULTON Bank National Association 14 Harbor Bank of Maryland 7 Lincoln National Bank of Hodgenville 10 Lone Oak Bank, National Association 1 MACATAWA Bank National Association 3 National Bank of Malvern 1 Oakwood Bank 5 Security State Bank 3 Talbot State Bank 5 UNITY Bank 18