ESL Federal Credit Union is a credit union that provides financial services to individuals and businesses in the Rochester, New York area. The company was founded in 1920 and has since grown to become one of the largest credit unions in the United States. ESL Federal Credit Union offers a range of services including checking and savings accounts, loans, and credit cards. The company has been recognized as one of the best places to work in the Rochester area and has won numerous awards for its work in financial services.