BECU, originally founded as Boeing Employees' Credit Union in 1935, is a member-owned, not-for-profit financial cooperative. It provides a wide range of financial services including savings accounts, loans, mortgages, and investment options. BECU generates revenue through interest on loans, fees for services, and investments. The company emphasizes community involvement and financial education, aiming to return profits to members through better rates and lower fees. BECU has grown significantly over the years, expanding its membership beyond Boeing employees to include residents of Washington state and select counties in Oregon and Idaho.