Matthew Ziegman is named as a lobbyist on federal disclosure filings for 11 clients through Barnes & Thornburg, LLP. The most recent filing naming them posted in October 2026. Issues reported include Budget/Appropriations, Trade (domestic/foreign), Defense and Small Business.
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| THE PROGRESS GROUP | BARNES & THORNBURG, LLP | Q3 2026 | Government Issues |
| SUPERIOR AIR GROUND AMBULANCE SERVICE, INC. | BARNES & THORNBURG, LLP | Q3 2026 | Medicare/Medicaid, Labor Issues/Antitrust/Workplace, Budget/Appropriations |
| PERSONALIS | BARNES & THORNBURG, LLP | Q3 2026 | Veterans, Budget/Appropriations |
| MISSISSIPPI BAND OF CHOCTAW INDIANS | BARNES & THORNBURG, LLP | Q3 2026 | Indian/Native American Affairs, Taxation/Internal Revenue Code, Gaming/Gambling/Casino |
| LYTEN, INC. | BARNES & THORNBURG, LLP | Q3 2026 | Defense, Energy/Nuclear, Budget/Appropriations |
| U.S. FASHION INDUSTRY ASSOCIATION | BARNES & THORNBURG, LLP | Q3 2026 | Trade (domestic/foreign) |
| TILE COUNCIL OF NORTH AMERICA | BARNES & THORNBURG, LLP | Q3 2026 | Trade (domestic/foreign) |
| SPECIALTY EQUIPMENT MARKET ASSOCIATION | BARNES & THORNBURG, LLP | Q3 2026 | Automotive Industry |
| BSIDE CAPITAL | BARNES & THORNBURG, LLP | Q3 2026 | Small Business, Budget/Appropriations |
| BEECHER EMISSION SOLUTION TECHNOLOGIES, LLC D/B/A WARD DIESEL | BARNES & THORNBURG, LLP | Q3 2026 | Defense, Budget/Appropriations |
| BLUE ORIGIN LLC | BARNES & THORNBURG, LLP | Q3 2026 | Aerospace, Budget/Appropriations |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 11 | 1 |
| 2025 | 11 | 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 Matthew Ziegman. See the Capitol Clarity rankings and method.