Representing your ideas—and interests—in Washington for nearly a century. Whether you own a business, represent one, lead a corporate office, or manage an association, the Chamber of Commerce of the United States of AmericaSM provides you with a voice of experience and influence in Washington, D.C., and around the globe. Our staff of experts—policy specialists, lobbyists, and lawyers—make up the world's largest not-for-profit business federation, representing: 3,000,000 businesses 2,800 state and local chambers 830 business associations 96 American Chambers of Commerce abroad Our members include businesses of all sizes and sectors—from large Fortune 500 companies to home-based, one-person operations. In fact, 96% of our membership encompasses businesses with fewer than 100 employees.