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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 ↓
1891Hewlett Packard Enterprise ›
DC
◆ $10K$120K
1892Highland Engineering ›
MI
—$120K
1893Horizon3.ai ›
CA
—$120K
1894Howell Laboratories ›
ME
—$120K
1895Humacyte ›
NC
—$120K
1896Human Factors And Ergonomics Society ›
CA
—$120K
1897Hypori ›
VA
—$120K
1898Inspiritec ›
PA
—$120K
1899Intellisense ›
CA
—$120K
1900Intergalactic ›
UT
—$120K
1901International Association Of Amusement Parks And Attractions ›
VA
—$120K
1902International Association Of Movers - (Formerly -H H G F A A) ›
DC
—$120K
1903International Longshore & Warehouse Union ›
CA
—$120K
1904International Stability Operations Association ›
DC
—$120K
1905Iten Defense ›
OH
—$120K
1906Jag Consulting ›
FL
—$120K
1907Johnstown-cambria County Airport Authority & Cambrian Hills Development ›
PA
—$120K
1908Jsx ›
TX
—$120K
1909Katmai Government ›
AK
—$120K
1910Knds - Kmw + Nexter Defense ›—$120K
1911Knectiq ›
MN
—$120K
1912Kymeta ›
WA
—$120K
1913Lam Research ›
CA
—$120K
1914Laser Marking Technologies ›
MI
—$120K
1915Leading Technology Composites ›
KS
—$120K
1916Legalzoom ›
CA
—$120K
1917Leonardo Drs Inc (Former Drs Technologies Inc.) ›
NJ
◆ $43K$120K
1918Lifeport ›
WA
—$120K
1919Lithion Battery ›
NV
—$120K
1920Lockheed Martin ›
VA
◆ $295K$120K
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