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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 ↓
1501Halocarbon ›
GA
—$160K
1502Helicity Space ›
CA
—$160K
1503Hendrick Motorsports Performance ›
NC
—$160K
1504Howmet ›
PA
—$160K
1505Hunter Buildings ›
TX
—$160K
1506Huron Consulting ›
IL
—$160K
1507Idaho Scientific ›
ID
—$160K
1508Idemia ›
VA
—$160K
1509Illinois Quantum And Microelectronics Park ›
IL
—$160K
1510Impsa ›
PA
—$160K
1511Institute Of International Education (Iie) ›
NY
—$160K
1512James Hardie Building Products ›
IL
—$160K
1513Jfd North America ›
VA
—$160K
1514Kennametal ›
PA
—$160K
1515Lake Charles Regional Airport ›
LA
—$160K
1516Legion Intelligence (Fka Yurts Technologies Inc.) ›
CA
—$160K
1517Leidos ›
VA
◆ $165K$160K
1518Leonardo Drs Inc. (Fka Rada Technologies Llc) ›
MD
◆ $43K$160K
1519Long Island University ›
NY
—$160K
1520Lumen Technologies ›
DC
—$160K
1521Lunar Outpost ›
CO
—$160K
1522Magnera ›
NC
—$160K
1523Magpul Industries ›
CO
—$160K
1524Major County Sheriffs Of America (Formerly Major County Sheriffs' Association) ›
VA
—$160K
1525Mantech ›
VA
—$160K
1526Maritime Tactical Systems (Martac) ›
FL
—$160K
1527Metallus (Fka Mettallus) ›
OH
—$160K
1528Metals Affordability Initiative Association ›
OH
—$160K
1529Mission Essential ›
OH
—$160K
1530National Public Finance Guarantee ›
NY
—$160K
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