The Commission for Environmental Cooperation (CEC) is an international organization established by Canada, Mexico, and the United States to address environmental matters. The site includes reports and publications providing information on environmental topics such as ecosystems, green economy, enforcement, pollutants, and climate change. In addition, the site provides tools and resources, press releases, upcoming events, and a virtual library.

Export.gov is a comprehensive resource for both small and large businesses looking to export. This site includes information on tariffs and duties, a fact sheet, a video and text explaining the NAFTA Rules of Origin, and resources pertaining to customs procedures.

The NAFTA Secretariat, which administers the North American Free Trade Agreement provides information about the rules of procedure, dispute settlement, alternative dispute resolution, national sections, and various resources.

The United States Trade Representative is a federal agency focused on specialized trade issues within many regions of the world. This site features NAFTA facts regarding manufacturing, trade balance, and the Trans-Pacific Partnership.

The United States Department of Agriculture's Foreign Agriculture Service describes the implications of the North American Free Trade Agreement, specifically the impact on the agriculture industry. The site offers data, analysis, and recent news.