A lobbying organization that represents the interests of all lobbyists regardless of political affiliation.

A nonpartisan group that tracks spending on state-level elections and public policy influence. The website includes a tool to track specific lobbyists and their ties to particular interests and government officials.

This website offers a description of ethics issues in lobbying. The website is published by the Markkula Center for Applied Ethics at Santa Clara University.

This web guide is provided by the United States House of Representatives in order to help the public and lobbyists understand and comply with the Lobbying Disclosure Act.

Includes background information on the FEC, full text of federal campaign laws and regulations, and a database of campaign contributions searchable by individual, committee, or candidate.