Maryland Lobbying

Federal lobbying by clients headquartered in Maryland

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AI Overview

Clients headquartered in Maryland have spent $335.0M on federal lobbying across 18.4K filings. With 1,038 active lobbying clients, Maryland is a significant source of lobbying activity. This spending reveals which industries and companies in Maryland have the most at stake in federal policy.

$335.0M
Total Lobbying
1,038
Clients
18.4K
Filings

Spending by Year

YearSpending
2018$28.6M
2019$28.5M
2020$31.9M
2021$33.8M
2022$39.5M
2023$86.0M
2024$39.3M
2025$47.4M

Biggest Spenders in Maryland

#ClientSpending
1Rafael USA, INC.$6.3M
2Lockheed Martin Corporation$5.6M
3Chrysalis Holdings, INC. (D.B.A. Newday)$4.8M
4Transportation Institute$4.6M
5Sinclair Broadcast Group$4.3M
6Marriott International, INC.$3.8M
7Digestive Health Physicians Association, INC.$3.8M
8Otsuka America Pharmaceutical, INC.$3.7M
9Emergent Biosolutions$3.6M
10American Kidney Fund$3.3M
11Captial Funding Group INC$3.2M
12Redwood Holdings, LLC FKA Redwood Capital Investments$3.2M
13Emergent Biosolutions INC.$3.2M
14Adventist Healthcare$2.4M
15The Johns Hopkins University Applied Physics Laboratory LLC$2.3M
16Association for Molecular Pathology$2.2M
17Institutional Shareholder Services$2.2M
18USA Eb5 Immigration, LLC$2.2M
19Ionq INC.$2.2M
20Advanced Environmental Monitoring Holdings (Aemh)$2.1M
21Novavax, INC.$2.0M
22Kidney Transplant Collaborative$1.9M
23Enviva LLC (Formerly Known as Enviva LP)$1.9M
24Discovery Communications$1.9M
25Thales Defense & Security, INC.$1.9M

Data Sources: Senate LDA Filings

Last updated: February 2026

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