Lobbying in Illinois
9 organizations headquartered in Illinois with federal lobbying disclosures.
Organizations HQ'd in Illinois
National Association of Realtors
Real Estate · 10 policy areas · 60 lobbyists
Blue Cross Blue Shield Association
Insurance · 7 policy areas · 60 lobbyists
American Medical Association
Healthcare · 8 policy areas · 60 lobbyists
Abbott Laboratories
Pharmaceutical & Health Products · 6 policy areas · 16 lobbyists
AbbVie Inc
Pharmaceutical & Health Products · 6 policy areas · 14 lobbyists
United Airlines
Transportation · 5 policy areas · 7 lobbyists
Archer Daniels Midland
Agriculture & Food · 5 policy areas · 6 lobbyists
Deere & Company
Agriculture & Food · 5 policy areas · 5 lobbyists
Allstate Corporation
Insurance · 4 policy areas · 4 lobbyists
Frequently Asked Questions
LobbySpend tracks 9 organizations headquartered in Illinois with combined federal lobbying spending of $652.5M over the reporting period.
National Association of Realtors leads lobbying spending in Illinois with $348.2M in total reported expenditures, earning an Influence Score of B.
Organizations headquartered in Illinois lobby on 24 different policy areas. 88 registered lobbyists have former government positions (revolving door connections).
For this entity, the underlying data on this page comes from the Senate Lobbying Disclosure Office LD-2 filings. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the Senate Lobbying Disclosure Office LD-2 filings; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. lobbying activity with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Senate Lobbying Disclosure Act database, 2026.