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Money in politics

Lobbying

7,718 companies · $3.4B · 487 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 Otherclear sector
#CompanySectorsPAC donationsLobbying spend ↑
5581Winchester Ammunition ›
MO
—$230K
5582Zerofox ›
MD
—$230K
5583Smurfit Westrock(Fka Westrock) ›
GA
—$233K
5584International Longshore And Warehouse Union ›
CA
—$235K
5585National Council On Teacher Retirement 9370 Studio Court Elk Grove Ca 95758 ›
CA
—$235K
5586Old Dominion University ›
VA
—$235K
5587Delta Council ›
MS
—$237K
5588Dendreon Pharmaceuticals ›
CA
—$238K
5589Inland Empire Health Plan ›
CA
—$239K
5590Ugt Renewables/Sun Africa ›
FL
—$240K
55911 Nation ›
FL
—$240K
55921-800 Contacts ›
UT
◆ $46K$240K
5593Advanced Environmental Monitoring Holdings (Aemh) ›
MD
—$240K
5594Alpek Polyester ›
NC
—$240K
5595Am General ›
VA
◆ $20K$240K
5596American Association Of Crop Insurers (Aaci) ›
DC
◆ $7K$240K
5597American Association Of Nurse Anesthesiology ›
IL
—$240K
5598American Center For Manufacturing & Innovation (Acmi) ›
TX
—$240K
5599American Federation For Aging Research ›
NY
—$240K
5600American Public Transportation Association (Apta) ›
DC
—$240K
5601Americans For Tax Reform ›
DC
—$240K
5602Ameripen ›
MA
—$240K
5603Ametrine ›
TX
—$240K
5604Amgen Inc. Fka Horizon Therapeutics ›
IL
—$240K
5605Apiject ›
CT
—$240K
5606Aptargroup ›
IL
—$240K
5607Aptive Resources ›
VA
—$240K
5608Arcosa ›
TX
—$240K
5609Arianespace ›
DC
—$240K
5610Association For Advancing Automation ›
MI
—$240K
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