(FTC). The Federal Trade Commission enforces a variety of federal antitrust and consumer protection laws. The Commission seeks to ensure that the nation's markets function competitively, and are vigorous, efficient, and free of undue restrictions. The Commission also works to enhance the smooth operation of the marketplace by eliminating acts or practices that are unfair or deceptive. It main office is located at 600 Pennsylvania Avenue, N.W., Washington, D.C. 20580. Website: http://www.ftc.gov.