Search the Pennsylvania Department of State Registration database of lobbyists and lobbying firms, and the organizations they represent. A full or partial name or firm name returns a detail of the lobbying disclosure form, required for those who lobby elected officials in Pennsylvania on behalf of companies or organizations.
[Article: Pennsylvania Lobbying Registrations Searchable Online]

The flow of federal campaign money can be seen by utilizing multiple data collection sites. Real Time Investigations shows how to piece together information from the newly launched Office of Management and Budget Congressional Earmarks database with other public records expenditure sources to match politicians with the lobbyists and the companies that benefit. Then go to FedSpending to identify the Congressional district that was the primary recipient of the funds.