Lake Michigan Credit Union (LMCU), founded in 1933 in Grand Rapids, Michigan, is the largest credit union in Michigan and one of the largest in the United States. It operates 53 locations across Michigan and Florida and offers personal and business banking, loans, mortgages, investments, and insurance services. LMCU is a federally insured state-chartered credit union regulated by the NCUA.

Lake Trust Credit Union is a community-based credit union headquartered in Brighton, Michigan, serving nearly 200,000 members across the state. Established in 2010 through the merger of Detroit Edison Credit Union and NuUnion Credit Union, it ranks in the top 1% of credit unions nationwide with over $2.5 billion in assets. The credit union operates branches in more than 20 Michigan cities and is regulated by the National Credit Union Administration (NCUA).

Landmark Credit Union is a not-for-profit financial cooperative founded in 1933, headquartered in Wisconsin with over 30 branches serving Southern and Northeastern Wisconsin, plus Lake and McHenry Counties in Illinois. With over 375,000 members and $6 billion in assets, it offers a full range of banking products including checking, savings, loans, and mortgages. As a member-owned institution, Landmark returns profits to members through competitive rates and low fees.

Langley Federal Credit Union (Langley FCU) is a federally-chartered credit union headquartered in Newport News, Virginia, and one of the 100 largest credit unions in the United States. Founded in 1936 by NASA employees, it serves over 300,000 members across the Hampton Roads region and Raleigh, North Carolina, with 21 branches and access to approximately 55,000 surcharge-free ATMs. The credit union offers comprehensive financial services including savings, checking, mortgages, auto loans, credit cards, and investment services.

Latino Community Credit Union (LCCU) is a federally-insured, member-owned credit union headquartered in Durham, North Carolina, established in 2000. It is a community development financial institution serving over 220,000 members from 137 countries with more than $1.2 billion in assets and 15 branches across North Carolina. LCCU provides bilingual (Spanish and English) financial services and has made $2.3 billion in loans since its founding.

Launch Credit Union was chartered in April 1963 and serves members in central Florida. The credit union operates branches throughout Brevard and Volusia counties and offers personal and business banking products including checking, savings, loans, and credit cards. It is a member-owned financial cooperative rated 5-Star by Bauer Financial.

LBS Financial Credit Union, established in 1935 as the Long Beach School District Employees Federal Credit Union, serves the greater Long Beach area and surrounding counties in California. The credit union has over 140,000 members and more than $2 billion in total assets. Originally serving school district employees, it has expanded to include residents and workers across fifty cities in Los Angeles, Orange, Riverside, San Bernardino, and San Diego counties.

Leaders Credit Union is a not-for-profit, member-owned financial cooperative based in Jackson, Tennessee, established in 1957. It serves members throughout West Tennessee and the mid-south region with branches in Jackson, Dyersburg, Union City, Milan, Martin, Arlington, Bartlett, and Memphis. The credit union offers checking, savings, loans, mortgages, and credit card services to its membership.

LGE Community Credit Union is a federally insured, member-owned financial institution serving metro Atlanta and northwest Georgia since 1951. The credit union operates in 15 counties in Georgia (Bartow, Catoosa, Chattooga, Cherokee, Cobb, Dade, Douglas, Floyd, Fulton, Gordon, Murray, Paulding, Polk, Walker, and Whitfield) and offers checking, savings, loans, mortgages, and credit card services. LGE has announced plans to merge with Ascend Federal Credit Union.

Liberty Federal Credit Union, headquartered in Evansville, Indiana, is a member-owned financial institution serving over 270,000 members across all fifty states and internationally. Established in 1936, it operates branches in Indiana, Kentucky, and Tennessee, and is the second-largest credit union in Indiana with over $4 billion in assets. The credit union offers comprehensive banking services including checking, savings, mortgages, auto loans, and home equity products.