How do I find out which banks are linked?

Bank 360 7 BANK ANN ARBOR 5 Bellevue State Bank 7 Concorde Bank 1 CORNERSTONE Bank 16 Deutsche Bank National Trust Company 6 FIDELITY Bank 26 FINEMARK National Association National Bank&TC 8 First American State Bank 6 First National Bank of Monterey 2 First National Bank, Taylorville 12 FIRST S State Bank 1 FIRSTBANK 16 Howard State Bank 1 LAKE FOREST B&TC National Association 6 Morris Bank 12 PACIFIC National Association National Bank 12 Riverland Bank 10 Sound Banking Company 6 Western Dakota Bank 6