Principals / Clients (3)
Lobbying firm
- John Patrick Costello LLC1 lobbyist
Contact
Belleville, IL
Phone numbers and street addresses are not published.
Data sourced from public Illinois Secretary of State filings (Illinois Secretary of State, Lobbyist Division: Lobbyist Entity Client Data (Illinois Data Portal, updated daily), 2026 registrations, refreshed November 9, 2026). Is this you? Claim this profile (free). Want a Featured listing?