The One Big Beautiful Bill (OBBB) has received widespread support from a diverse range of American organizations and industry groups. Key supporters include Americans for Prosperity, the National Federation of Independent Business (NFIB) Small Business Champions, the U.S. Chamber of Commerce, and the National Association of Home Builders. Other notable endorsements come from the National Rifle Association (NRA), Pro-Life America, the Association of Builders and Contractors, Americans for Tax Reform, the American Forest and Paper Association, and the American Petroleum Institute. Additional backing was expressed by the National Restaurant Association, the Economic Investment Alliance, the American Farm Bureau, the National Association of Manufacturers, the National Cattlemen’s Beef Association, the American Council of Engineering Companies, the National Fraternal Order of Police, Club for Growth, and the Heritage Foundation. These endorsements highlight broad-based institutional support across multiple sectors for the OBBB.