Who lobbies through Mercury Public Affairs?

7 lobbyists registered with the Illinois Secretary of State name Mercury Public Affairs as their lobbying firm, representing 37 clients and employers.

Source: public lobbyist registrations filed with the Illinois Secretary of State (Illinois Secretary of State, Lobbyist Division: Lobbyist Entity Client Data (Illinois Data Portal, updated daily), 2026 registrations), refreshed November 9, 2026. Represent this organization? Claim this profile (free).

Registered lobbyists (7)

Clients and employers (37)

Search lobbyists for Mercury Public Affairs · More lobbying firms: M