U.S. Wealth WatcherCelebrating Political Fortunes
Money in politics

Lobbying

3,438 companies · $1.8B · 171 also fund a PAC

Companies don’t just donate — they hire lobbyists to push (or block) legislation. Federal law makes them disclose it. This ranks the companies and groups that spent the most lobbying Washington in 2025, drawn from Senate Lobbying Disclosure Act filings.

Spend is the company’s total for the year across everything they lobbied on (the law doesn’t break it down per bill). The ◆ PAC column shows what the same company’s political action committee gives to candidates — the ones doing both, spending to shape laws and funding the people who write them, are worth a closer look.

Filtered to Defense & Aerospaceclear sector
#CompanySectorsPAC donationsLobbying spend
3031Ouster
CA
$690K
3032Advancing Mental Health For Military Families
DE
$700K
3033Pennsylvania State University
PA
$700K
3034Advanced Medical Technology Association (Advamed)
DC
$10K$710K
3035Applied Research Associates
NM
$30K$710K
3036Bristow
TX
$710K
3037Dte Energy
MI
$56K$710K
3038Hewlett Packard Enterprise
DC
$40K$710K
3039Intealth
PA
$710K
3040National Propane Gas Association
DC
$80K$710K
3041Travel Tech: The Travel Technology Association
VA
$718K
3042Ameresco
MA
$720K
3043American Counseling Association
VA
$720K
3044Canadian National Railway
DC
$720K
3045Cigna
DC
$10K$720K
3046Global Medical Response
TX
$720K
3047Gnc
PA
$720K
3048Princeton University
DC
$720K
3049Radiance Technologies
AL
$720K
3050Rafael
MD
$720K
3051Yahoo
VA
$720K
3052South Coast Air Quality Management District
CA
$723K
3053Parker Hannifin
OH
$730K
3054Skywater Technology Foundry
MN
$730K
3055Astranis Space Technologies
CA
$735K
3056Society Of Thoracic Surgeons
DC
$737K
3057Allen Control
TX
$740K
3058Dupont De Nemours
DC
$740K
3059General Dynamics
VA
$318K$740K
3060Securities Industry And Financial Markets Association (Sifma)
DC
$20K$740K
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