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Federal Lobbying Data · Senate LDA Filings · Updated Quarterly
LobbySpend

Lobbying in Illinois

9 organizations headquartered in Illinois with federal lobbying disclosures.

9
Organizations
$652.5M
Total Lobbying Spend
232
Lobbyists
88
Revolving Door

Organizations HQ'd in Illinois

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).

Sources: Senate Office of Public Records LDA Filings
Last updated:

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.