Plumbing Manufacturers Institute

The National Asphalt Pavement Association is the only trade association that exclusively represents the interests of the asphalt pavement mix producers and contractors on the national level with Congress, government agencies, and other national trade and business organizations. NAPA supports an... Read More

APTA serves and leads its diverse membership through advocacy, innovation, and information sharing to strengthen and expand public transportation. Read More

The mission of the Geospatial Information & Technology Association (GITA) is to provide excellence in education, information exchange, and applied research on the use and benefits of geospatial information and technology in business, utility, and government applications worldwide. Read More