Aon Corporation
Based in IL
AI Overview
With $8.7M in lobbying spend across 32 quarterly filings, Aon Corporation is one of the biggest lobbying spenders in Washington. Their lobbying covers 4 issue areas. Active from 2018 to 2025.
Spending Trend
View as table
| Year | Lobbying Spend |
|---|---|
| 2018 | $810K |
| 2019 | $990K |
| 2020 | $780K |
| 2021 | $1.5M |
| 2022 | $1.4M |
| 2023 | $1.2M |
| 2024 | $930K |
| 2025 | $1.1M |
Issues Lobbied
Lobbying Firms
Lobbyists
Government Agencies Targeted
These are the government entities that Aon Corporation disclosed contacting in their lobbying filings.
What They Lobby About
These are actual descriptions from their quarterly lobbying disclosure filings, summarizing what they lobbied Congress and federal agencies about.Issue areas: Insurance, Transportation, Health Issues, Energy
legislative proposals regarding healthcare.
Legislative proposals regarding the national flood insurance program reauthorization.
Legislative proposals regarding healthcare.
Legislative proposals regarding the national flood insurance program reauthorization.
H.R. 5381, GRATER Act of 2018.
Retirement and insurance proposals.
H.R. 5381, GRATER Act of 2018.
Retirement and insurance proposals.
Related Analysis
Related Investigations
Similar Clients
Explore More
Data Sources: Senate LDA Filings
Last updated: February 2026
This site is an independent journalism project. Analysis and editorial content are not affiliated with or endorsed by any government agency.