Mayer Brown LLP is a registered federal lobbying firm. For Q3 2026 it reported $1.03M across 44 client reports and lists 10 lobbyists across its filings. Issues include Trade (domestic/foreign), Taxation/Internal Revenue Code, Telecommunications and Health Issues.
| Client | Reported | Issues |
|---|---|---|
| VOLVO CAR CORPORATION | $130K | Transportation, Trade (domestic/foreign) |
| ONSEMI (ON SEMICONDUCTOR CORPORATION) | $110K | Energy/Nuclear, Taxation/Internal Revenue Code, Trade (domestic/foreign) |
| COALITION FOR REGULATED HFCS INC. | $90K | Chemicals/Chemical Industry |
| GALAXY DIGITAL HOLDINGS, LP | $80K | Taxation/Internal Revenue Code |
| SOLONIAN RESOURCES, LLC | $80K | Trade (domestic/foreign) |
| MICHELIN NORTH AMERICA, INC. | $70K | Trade (domestic/foreign) |
| AT&T SERVICES INC | $60K | Telecommunications |
| CTIA - THE WIRELESS ASSOCIATION | $50K | Telecommunications |
| 21ST CENTURY PRIVACY COALITION | $50K | Telecommunications |
| IFM INVESTORS PTY LTD. | $50K | Transportation |
| WAUPACA FOUNDRY, INC. | $40K | Trade (domestic/foreign) |
| STARR INSURANCE HOLDINGS, INC. | $30K | Insurance |
| PENN ALUMINUM INTERNATIONAL LLC | $30K | Trade (domestic/foreign) |
| UNITED STATES STEEL CORPORATION | $30K | Trade (domestic/foreign) |
| HEALTH CARE ALLIANCE FOR PATIENT SAFETY | $30K | Consumer Issues/Safety/Products, Health Issues |
| THE BASIC FUND | $20K | Taxation/Internal Revenue Code |
| SUNIVA, INC. | $20K | Trade (domestic/foreign) |
| ELEMENT ELECTRONICS | $20K | Trade (domestic/foreign) |
| OURARING INC. | $10K | Health Issues, Taxation/Internal Revenue Code, Trade (domestic/foreign) |
| PRIMEMAX MEDICAL INDUSTRIES, INC. | $10K | Trade (domestic/foreign) |
| NOVOCURE | $10K | Trade (domestic/foreign) |
| COINBASE, INC. | $10K | Trade (domestic/foreign) |
| SHIPPING TAXATION COALITION (INFORMAL COALITION) | $0 | |
| PALO ALTO NETWORKS, INC. | $0 | |
| MAERSK SERVICES USA INC. | $0 | |
| AMERICAN EXPRESS | $0 | |
| WORLD JEWISH RESTITUTION ORGANIZATION | $0 | |
| SECURITY INDUSTRY ASSOCIATION | $0 | |
| ITO EN (NORTH AMERICA) INC. | $0 | |
| SYENSQO USA LLC | $0 | |
| VISA INC. | $0 | |
| ARKEMA INC | $0 | |
| CHUBB INA HOLDINGS, INC. (FORMERLY ACE INA HOLDINGS, INC.) | $0 | |
| SONOS INC. | $0 | |
| ARISTA NETWORKS, INC. | $0 | |
| UBER TECHNOLOGIES, INC. | $0 | |
| ABBOTT LABORATORIES | $0 | |
| SABIN METAL CORPORATION | $0 | Taxation/Internal Revenue Code |
| HUNTSMAN CORPORATION | $0 | |
| SOUTHWIRE COMPANY, LLC | $0 | |
| MEDLINE INDUSTRIES, L.P. (FORMERLY MEDLINE INDUSTRIES, INC.) | $0 | |
| MEC AERIAL WORK PLATFORMS | $0 | |
| METAL EXCHANGE CORPORATION | $0 | |
| LIVE NATION ENTERTAINMENT, INC. | $0 |
| Year | Reported | Clients |
|---|---|---|
| 2026 | $3.18M | 49 |
| 2025 | $4.63M | 54 |
Amounts are the filer's good-faith estimates, per report, and cannot be split by issue. See the Capitol Clarity rankings and method.