The National Small Business Association (NSBA) is a non-profit organization in the United States that advocates for the interests of small businesses. Founded in 1937, it aims to provide resources, support, and a unified voice for small business owners on issues such as legislation, taxation, and regulations that affect their operations. NSBA offers various services, including educational programs, networking opportunities, and access to research on small business trends. By representing small businesses at the federal level, the NSBA works to ensure that their needs and concerns are addressed in policy-making processes.