Is it better to have a credit union or a bank?

Bank of Commerce & Trust 5 Bank of Magnolia Company 13 Beacon Business Bank, National Association 11 Brown Brothers Harriman Trust Company Delaware, National Association 16 EMPRISE Bank 13 Fairfax State Savings Bank 2 FIRST National Association National Bank OF PA 19 Firstier Bank 6 Genesis Bank 21 Glenmede Trust Company, National Association 13 Hershey State Bank 7 Hustisford State Bank 2 Marine Bank & Trust 3 PARK National Association National Bank 14 Perryton National Bank 10 STATE B&TC 7 Surety Bank 15 SUSSER Bank 15 UNIFIED Bank 4 WELLS FARGO Bank S CENT National Association 6