Brian Philip Downey is named as a lobbyist on federal disclosure filings for 14 clients through Capital Park Partners LLC. The most recent filing naming them posted in October 2026. Issues reported include Defense, Aerospace and Homeland Security.
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| QARBON AEROSPACE | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense, Manufacturing |
| AMETEK AIRTECHNOLOGY GROUP LTD | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| SUMITOMO CORPORATION OF AMERICAS | CAPITAL PARK PARTNERS LLC | Q3 2026 | Aerospace, Defense, Manufacturing |
| SLSCO LTD | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| ULTRA INTELLIGENCE & COMMUNICATIONS | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| PHOENIX SEMICONDUCTOR CORPORATION | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| R2 WIRELESS, INC. | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense, Homeland Security |
| BIGBEAR.AI, LLC | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| XIPHOS PARTNERS, INC. | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| MARCONI TECHNOLOGIES | CAPITAL PARK PARTNERS LLC | Q3 2026 | Defense |
| BELCAN | CAPITAL PARK PARTNERS LLC | Q1 2026 | Defense, Manufacturing |
| ITOCHU AVIATION, INC. | CAPITAL PARK PARTNERS LLC | Q4 2025 | Aerospace, Defense |
| ALTAEROS ENERGIES, INC. | CAPITAL PARK PARTNERS LLC | Q3 2025 | Aerospace, Defense, Homeland Security |
| BERYLLIUM INFOSEC, INC. | CAPITAL PARK PARTNERS LLC | Q2 2025 | Defense |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 9 | 1 |
| 2025 | 9 | 1 |
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 Brian Philip Downey. See the Capitol Clarity rankings and method.