The U.S. Small Business Administration (SBA) aims to strengthen the economy by supporting small businesses through education, capital access, and federal contracting, having achieved 25.75% of federal contract dollars awarded to small businesses in FY 2015. The SBA offers various programs and resources, including loan guarantees and innovation funding, facilitating $27.9 billion in lending in FY 2015. Notable success stories include various small businesses like Costco and Nike, showcasing the impact of SBA support.