The First of Long Island Corporation operates as the holding company for The First National Bank of Long Island that provides financial services to small and medium-sized businesses, professionals, consumers, municipalities, and other organizations.

The company offers business and small business checking, personal checking, negotiable order of withdrawal, interest on lawyer, escrow service, rent security, personal and nonpersonal money market, savings, time deposit, holiday club, and individual retirement accounts.

It also provides commercial and residential mortgage, commercial and industrial, small business credit scored, Small Business Administration, construction and land development, consumer, and home equity lines of credit/loans, as well as commercial and standby letters of credit; debit or credit cards; and overdraft facilities.

In addition, the company offers life insurance, trust, estate and custody, retail investment, bill payment, lockbox, ACH, safe deposit box rental, wire transfer, money order, checkbook printing, check, ATM, and online and mobile banking services, as well as investment securities, management, and advisory services.

It operates 40 branches, including 17 branches in Nassau, 15 in Suffolk, 5 in Queens, 2 in Brooklyn, and 1 in Manhattan.

The company was founded in 1927 and is headquartered in Glen Head, New York.