From Michael Tremoglie's article on LegalNewsline:
Many organizations filed amicus briefs in favor of the Sacketts. Among them were the U.S. Chamber of Commerce, the Competitive Enterprise Institute and the American Civil Rights Union. The Natural Resources Defense Council and the Idaho Conservation League filed amicus briefs in favor of the EPA.
Source URL: http://cei.org/citations/supreme-court-rules-against-epa-strong-arm