Capitol Clarity / Lobbyists / P / William Pennington

William Pennington: federal lobbyist

William Pennington is named as a lobbyist on federal disclosure filings for 13 clients through Cornerstone Government Affairs, Inc. and 1 other registrant. The most recent filing naming them posted in October 2026. Issues reported include Defense, Budget/Appropriations, Marine/Maritime/Boating/Fisheries and Transportation.

13Clients on filings
2Registrants
10Issue categories
2Years with reports

Clients and registrants

ClientRegistrantLatestIssues
PLAYGROUND GLOBAL, LLCCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Communications/Broadcasting/Radio/TV, Defense, Energy/Nuclear
SUPPLY ENERGETICS, INC.CORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Budget/Appropriations
KRATOS DEFENSE & SECURITY SOLUTIONSCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense
ULTRA FKA ULTRA ELECTRONICS - FLIGHTLINE SYSTEMSCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Budget/Appropriations
RESPOND-USCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Medical/Disease Research/Clinical Labs, Budget/Appropriations
U.S. MERCHANT MARINE ACADEMY ALUMNI ASSOCIATION AND FOUNDATIONCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Transportation, Defense, Marine/Maritime/Boating/Fisheries
EPIRUS, INC.CORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Aviation/Airlines/Airports, Budget/Appropriations
SIGMA DEFENSE SYSTEMS LLCCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Budget/Appropriations
NUMAT TECHNOLOGIES, INC.CORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense
BOLLINGER SHIPYARDS, LLCCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Marine/Maritime/Boating/Fisheries, Homeland Security
SEASATELLITES, INC.CORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Homeland Security, Budget/Appropriations
FORTRESS INFORMATION SECURITY, LLCCORNERSTONE GOVERNMENT AFFAIRS, INC.Q3 2026Defense, Budget/Appropriations
AEROVIRONMENT INC.AEROVIRONMENT, INC.Q4 2025Defense

Activity by year

YearClientsRegistrants
2026121
202511

Contributions reported on Form LD-203

YearItemsTotal
202632$52K
20251$250

Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name William Pennington. See the Capitol Clarity rankings and method.