State lobbying reports show the Committee to Save New York spent more than $4 million lobbying last year.
That's double the amounts spent individually by Exxon, Major League Soccer and Albany's powerful teacher and public employee unions.
The Committee to Save New York has refused to identify its donors or say if they do business with the state.
It aired campaign-like TV ads since Cuomo was elected, helping boost his high poll ratings and political capital.
Lobbying groups influence government and the public on legislation and state spending. The reports were released Thursday by the Joint Commission on Public Ethics.
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