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Money in politics

Lobbying

3,438 companies · $1.8B · 258 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 ↓
421University Of Michigan ›
MI
—$670K
422W. L. Gore & Associates ›
DE
—$670K
423Hanwha Aerospace ›
VA
—$660K
424Tunica Biloxi Tribe Of Louisiana ›
LA
—$660K
425Teco Holdings Inc. Formerly Known As Energy ›
DC
—$653K
426Caci ›
VA
◆ $23K$650K
427Kropp ›
MD
—$650K
428Ciena Corporation (Formerly Ciena Corporation Broadband Group) ›
DC
—$640K
429Transport Workers Union Of America Afl-cio ›
DC
—$640K
430Koch Government Affairs Llc (Fka Koch Companies Public Sector Llc) ›
KS
—$630K
431Mcwane ›
AL
—$630K
432Orano Usa Llc (Formerly Known As Areva Nuclear Materials Llc) ›
MD
—$630K
433Texas A&m University System ›
TX
—$630K
434Hidden Level ›
NY
—$624K
435Defense Credit Union Council ›
DC
—$620K
436Liberty Media ›
CO
—$620K
437Merlin Labs ›
MA
—$620K
438California Forever ›
CA
—$610K
439Howmet Aerospace Inc Formally Known As Arconic ›
PA
—$610K
440Verizon ›
DC
—$610K
441Amazon Web ›
DC
—$600K
442Consolidated Edison Company Of New York ›
NY
—$600K
443Geo ›
FL
—$600K
444Martin's Point Healthcare ›
FL
—$600K
445Materion Brush ›
OH
—$600K
446Parker Meggitt ›
DC
—$600K
447Ppl ›
DC
—$600K
448Solugen ›
TX
—$600K
449X-bow Launch Systems Inc. Dba X-bow ›
NM
—$600K
450Daikin ›
NY
—$597K
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