Senate LDA data Updated quarterly Lobbying disclosures

Defense Lobbying

Heavy-volume Senate LDA filings on Defense: the largest registrant books in this issue code report quarterly LD-2 outlays and named contacts.

All issues → Methodology

The verdict

PlainInfluence tracks $501.8M in itemized Defense lobbying disclosures across 2,841 filers, among them CHAMBER OF COMMERCE OF THE U.S.A., BUSINESS ROUNDTABLE, AMAZON.COM SERVICES LLC, ranking #5 of 79 tracked issues by spend.

#5
of 79 issues by spend
$501.8M
tracked Defense lobbying
2,841
organizations lobbying
$177K
average per filer

Issue code: DEF · 2841 organizations lobbying on this issue

Total Lobbying Spend
$501.8M
Organizations
2,841

Defense filing shape

2,841 organizations filed on Defense (DEF) in 2023-2024, a wide registrant field where many distinct interests compete for attention.

CHAMBER OF COMMERCE OF THE U.S.A. leads this issue's filer table with $142.2M in all-issue lobbying; filings remain spread across 10 named organizations rather than collapsing into one registrant.

Because many distinct organizations file on Defense, the LD-2 stream here is a useful map of competing advocacy priorities before hearings or rulemakings register in outcomes.

Top Spenders

Rank Organization Total Lobbying
#1 CHAMBER OF COMMERCE OF THE U.S.A. $142.2M
#2 BUSINESS ROUNDTABLE $47.5M
#3 AMAZON.COM SERVICES LLC $39.1M
#4 CTIA-THE WIRELESS ASSOCIATION $36.3M
#5 COMCAST CORPORATION $36.1M
#6 ALTRIA CLIENT SERVICES $33.7M
#7 GENERAL MOTORS COMPANY $31.5M
#8 GOOGLE CLIENT SERVICES L.L.C. $30.9M
#9 GENERAL DYNAMICS CORPORATION $30.9M
#10 LOCKHEED MARTIN CORPORATION $29.5M
#11 PFIZER INC. $28.8M
#12 BOEING $27.9M
#13 CHARTER COMMUNICATIONS INC. $27.3M
#14 RTX CORPORATION AND AFFILIATES $26.8M
#15 QUALCOMM INCORPORATED $26.4M
#16 ORACLE CORPORATION $25.7M
#17 EDISON ELECTRIC INSTITUTE $25.1M
#18 SOUTHERN COMPANY $24.8M
#19 MICROSOFT CORPORATION $23.8M
#20 HONEYWELL INTERNATIONAL $22.0M
#21 NATIONAL ASSOCIATION OF MANUFACTURERS $20.1M
#22 NORTHROP GRUMMAN CORPORATION $19.8M
#23 WALMART INC. $19.5M
#24 NEXTERA ENERGY, INC $19.3M
#25 VISA INC $19.2M
#26 THE CIGNA GROUP AND SUBSIDIARIES (FORMERLY CIGNA CORPORATION AND SUBSIDIARIES) $18.7M
#27 CHEVRON U.S.A., INC. $17.7M
#28 AMERICAN CANCER SOCIETY CANCER ACTION NETWORK, INC. $16.7M
#29 INTEL CORPORATION $16.0M
#30 BAYER CORPORATION (CONSOLIDATED REPORT) $15.8M
#31 ELEVANCE HEALTH, INC. $15.7M
#32 HUNTINGTON INGALLS INDUSTRIES, INC. $15.2M
#33 NATIONAL MULTIFAMILY HOUSING COUNCIL $15.2M
#34 GENERAL ATOMICS $15.1M
#35 DUKE ENERGY CORPORATION $14.9M
#36 SHELL USA, INC. (FKA SHELL OIL COMPANY) $14.1M
#37 AMERICAN PROPERTY CASUALTY INSURANCE ASSOCIATION $13.9M
#38 DELL TECHNOLOGIES, INC. $13.8M
#39 OPEN SOCIETY ACTION FUND $13.1M
#40 NATIONAL ASSOCIATION OF CHILDREN'S HOSPITALS (N.A.C.H.) $12.8M
#41 CREDIT UNION NATIONAL ASSOCIATION, INC. DBA AMERICAS CREDIT UNIONS $12.8M
#42 SAMSUNG ELECTRONICS AMERICA INC $12.6M
#43 PALANTIR TECHNOLOGIES INC. $11.9M
#44 AMERICAN ELECTRIC POWER COMPANY, INC. AND AFFILIATED CORPORATIONS $11.7M
#45 HUMANA INC. $11.6M
#46 TEXTRON INC. $11.6M
#47 INTERNATIONAL BUSINESS MACHINES CORPORATION (IBM) $10.8M
#48 FORD MOTOR COMPANY $10.8M
#49 ALLIANCE FOR AUTOMOTIVE INNOVATION $10.7M
#50 CONSTELLATION ENERGY GENERATION, LLC $10.6M

Registrant concentration on Defense

Largest registrants by all-issue lobbying total among filers on code DEF (Senate LDA).

CHAMBER OF COMMERCE OF THE U…$142.2MBUSINESS ROUNDTABLE$47.5MAMAZON.COM SERVICES LLC$39.1MCTIA-THE WIRELESS ASSOCIATION$36.3MCOMCAST CORPORATION$36.1MALTRIA CLIENT SERVICES$33.7MGENERAL MOTORS COMPANY$31.5MGOOGLE CLIENT SERVICES L.L.C.$30.9M
All-issue lobbying total among filers on Defense · official public datasets

Source: U.S. Senate Office of Public Records, Lobbying Disclosure Act filings LD-2 quarterly lobbying disclosure filings (issue codes, registrants, expenditures) · 2024 Aggregated from quarterly LD-2 filings for issue code DEF; covers 2,841 registered organizations across the 2023-2024 reporting period. Data current as of August 2026.

Questions on this issue code

How much is spent lobbying on Defense?
$501.8M was reported on Defense (DEF) by 2,841 organizations in 2023-2024 Senate LDA filings, a heavy code by tracked outlay. CHAMBER OF COMMERCE OF THE U.S.A. leads the filer list.
Who are the biggest spenders on Defense lobbying?
Top filers on Defense include CHAMBER OF COMMERCE OF THE U.S.A., BUSINESS ROUNDTABLE, AMAZON.COM SERVICES LLC. Rankings use each organization's all-issue lobbying total among registrants that filed on code DEF.
How many organizations lobby on Defense?
2,841 organizations filed on Defense in 2023-2024, a broad filer field relative to other LDA issue codes.

Data: official public datasets, 2023-2024. Verify filings at lda.senate.gov.