Chambers, Conlon & Hartwell, LLC
Chambers, Conlon & Hartwell, LLC is a lobbying firm that has earned $6.0M in lobbying income across 139 filings, representing 23 clients over 4 years (2018–2021). The firm employs 20 lobbyists across 16 policy issue areas.
🤖
AI Overview
Chambers, Conlon & Hartwell, LLC has earned $6.0M in lobbying income across 139 filings, representing 23 clients. It is an active participant in federal lobbying. across 16 policy areas. Active from 2018 to 2021.
$6.0M
Total Income
23
Clients
20
Lobbyists
139
Filings
Income by Year
| Year | Lobbying Income |
|---|---|
| 2018 | $2.7M |
| 2019 | $1.9M |
| 2020 | $1.2M |
| 2021 | $280K |
Clients (23)
Alaska RailroadCapital Metropolitan Transportation AuthorityGeorgetown Rail EquipmentSouthern California Regional Rail AuthorityVia Metropolitan TransitSeneca Group LLC on Behalf of Lockheed MartinCanadian National RailwayJoliet Regional Port District/lewis University Airport (Klot)Northeast Illinois Regional Commuter Railroad CorporationMilhouse Engineering and Construction , INC on Behalf of Cook CountyPhiladelphia International AirportVillage of Plainfield, IllinoisAmerican Short Line & Regional Railroad AssociationCarpi & Clay on Behalf of Transbay Joint Powers AuthorityNorfolk Southern Railway CorporationNational Railroad Construction and Maintenance AssociationRailway Engineering Maintenance Suppliers AssociationSaving Our ServiceU.S. Ras Association-midwestCity and Borough of JuneauCouncil of State GovernmentsFincher Denmark on Behalf of Clayton County EntitiesVintage Tub and Bath, INC.
Lobbyists (20)
Issue Areas (16)
Related Analysis
Related Investigations
The 22,000% ROI
When lobbying spending yields outsized returns.
Big Pharma's $452M Lobbying Machine
How pharmaceutical companies spend hundreds of millions to influence health policy.
The Defense Lobby
Defense contractors spend millions lobbying for contracts worth billions.
The 2025 Tariff Panic
As tariffs return, lobbying on trade surges.
Federal Lobbying Statistics 2025
The definitive stats — $37.7B total, industry breakdowns, and trends.
What Is Lobbying? A Complete Guide
How lobbying works, who does it, and why it matters.
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.