William Castle is named as a lobbyist on federal disclosure filings for 2 clients through Air And Space Forces Association (f/k/a Air Force Association) and 1 other registrant. The most recent filing naming them posted in October 2026. Issues reported include Defense and Financial Institutions/Investments/Securities.
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| AIR AND SPACE FORCES ASSOCIATION (F/K/A AIR FORCE ASSOCIATION) | AIR AND SPACE FORCES ASSOCIATION (F/K/A AIR FORCE ASSOCIATION) | Q3 2026 | Aerospace, Defense, Veterans |
| JOHN K. CASTLE | WILLIAM CASTLE | Q3 2025 | Financial Institutions/Investments/Securities |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
| 2025 | 2 | 2 |
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 Castle. See the Capitol Clarity rankings and method.