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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 ↓
4231Illinois Association Of School Boards ›
IL
—$100K
4232Intersystems ›
VA
—$100K
4233Ion Storage ›
MD
—$100K
4234Ionic Mineral Technologies ›
UT
—$100K
4235Jackson Municipal Airport Authority ›
MS
—$100K
4236Johnson County Ks ›
KS
—$100K
4237Karman-sd (Fka Systima Technologies Inc.) ›
WA
—$100K
4238Kerbey Harrington Pinkard Llp On Behalf Of Cabot ›
MA
—$100K
4239Klas Government ›
VA
—$100K
4240Leap Manufacturing ›
TX
—$100K
4241Live Nation Entertainment ›
CA
—$100K
4242Lyondellbasell Industries ›
TX
—$100K
4243Mabus Group Llc Obo Zeel Networks ›
VA
—$100K
4244Manatee County Port Authority ›
FL
—$100K
4245Marin Clean Energy ›
CA
—$100K
4246Marion County Oregon ›
OR
—$100K
4247Mcdermott+ Consulting (On Behalf Of The American Academy Of Ophthalmology) ›
DC
—$100K
4248Melanoma Research Alliance ›
DC
—$100K
4249Mesa County ›
CO
—$100K
4250Millcreek Utah ›
UT
—$100K
4251Montgomery Airport Authority ›
AL
—$100K
4252Mueller Water Products ›
GA
—$100K
4253National Association Of Regulatory Utility Commissioners ›
DC
—$100K
4254National Cannabis Industry Association ›
DC
—$100K
4255Native Village Of Eklutna ›
AK
—$100K
4256New Jersey Institute Of Technology ›
NJ
—$100K
4257New York University Langone Medical Center ›
NY
—$100K
4258Northern Arapaho Tribe ›
WI
—$100K
4259Novacoast ›
CA
—$100K
4260Pdi ›
NJ
—$100K
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