As of January 2017, Bethpage FCU is the largest credit union in New York State and 16th largest in the nation with approximately $12.9 billion in assets, 471,284 members, and 38 publicly accessible branches throughout Nassau and Suffolk counties.

In 2003, Bethpage was approved for the largest federal community charter in the U.S., allowing its rapid growth.

[4] In November 2024, Bethpage announced it would be rebranding and changing its name to FourLeaf Federal Credit Union in early 2025.

In 2010, Bethpage FCU signed a 10-year contract to sponsor the Suffolk County Sports Park in Central Islip, known as Bethpage Ballpark under their sponsorship (now known as Fairfield Properties Ballpark), home of the Long Island Ducks.

Post Campus of Long Island University, where they have also established a high-tech branch for the students and faculty of the school.