| American Petroleum Institute | lobbying_client | $0 | $14.4M | $0 | $14.4M |
| United Airlines, INC. | pac | $292K | $13.9M | $0 | $14.2M |
| Shell USA, INC. (fka Shell Oil Company) | lobbying_client | $0 | $14.1M | $0 | $14.1M |
| National Shooting Sports Foundation, INC. | pac | $716K | $13.3M | $0 | $14.0M |
| Blue Cross and Blue Shield Association | lobbying_client | $0 | $13.9M | $0 | $13.9M |
| Novo Nordisk INC. | lobbying_client | $0 | $13.5M | $0 | $13.5M |
| Entertainment Software Association | pac | $16K | $13.1M | $0 | $13.1M |
| Open Society Action Fund | lobbying_client | $0 | $13.1M | $0 | $13.1M |
| National Association of Children's Hospitals (n.a.c.h.) | lobbying_client | $0 | $12.8M | $0 | $12.8M |
| Samsung Electronics America INC | pac | $267K | $12.6M | $0 | $12.8M |
| Credit Union National Association, INC. DBA Americas Credit Unions | lobbying_client | $0 | $12.8M | $0 | $12.8M |
| Investment Company Institute | pac | $907K | $11.9M | $0 | $12.8M |
| Sanofi US Services INC | pac | $220K | $12.5M | $0 | $12.7M |
| Rai Services Company | lobbying_client | $0 | $12.7M | $0 | $12.7M |
| American Israel Public Affairs Committee | pac | $5.9M | $6.4M | $0 | $12.3M |
| American Health Care Association | pac | $378K | $11.9M | $0 | $12.3M |
| Pmi US Corporate Services INC. (fka Pmi Global Services INC.) | lobbying_client | $0 | $12.2M | $0 | $12.2M |
| Abbvie | pac | $719K | $11.5M | $0 | $12.2M |
| Humana INC. | pac | $542K | $11.6M | $0 | $12.2M |
| Toyota Motor North America INC (tma) | lobbying_client | $0 | $12.0M | $0 | $12.0M |
| Exxon Mobil Corporation | pac | $467K | $11.4M | $0 | $11.9M |
| American Electric Power Company, INC. and Affiliated Corporations | lobbying_client | $0 | $11.7M | $0 | $11.7M |
| International Paper | pac | $429K | $11.3M | $0 | $11.7M |
| Lyondell Chemical Company | pac | $113K | $11.5M | $0 | $11.6M |
| Fox Corporation | lobbying_client | $0 | $11.6M | $0 | $11.6M |
| Aicpa Association of International Certified Professional Accountants | lobbying_client | $0 | $11.5M | $0 | $11.5M |
| Air Transport Association of America, INC. (D/B/A Airlines for America) | lobbying_client | $0 | $11.4M | $0 | $11.4M |
| Citigroup Washington, INC. | lobbying_client | $0 | $11.2M | $0 | $11.2M |
| Wells Fargo & Company | lobbying_client | $0 | $11.2M | $0 | $11.2M |
| Prudential Financial, INC. | pac | $612K | $10.5M | $0 | $11.1M |
| Association of American Railroads | pac | $102K | $10.8M | $0 | $10.9M |
| Pepsico, INC. | pac | $119K | $10.8M | $0 | $10.9M |
| Managed Funds Association | pac | $236K | $10.6M | $0 | $10.8M |
| International Business Machines Corporation (IBM) | lobbying_client | $0 | $10.8M | $0 | $10.8M |
| Alliance for Automotive Innovation | pac | $54K | $10.7M | $0 | $10.8M |
| Jpmorgan Chase & CO. | pac | $698K | $10.0M | $0 | $10.7M |
| Health Care Service Corporation, a Mutual Legal Reserve Company ("hcsc") | lobbying_client | $0 | $10.7M | $0 | $10.7M |
| Constellation Energy Generation, LLC | lobbying_client | $0 | $10.6M | $0 | $10.6M |
| Iheartmedia INC. | pac | $288K | $10.2M | $0 | $10.5M |
| Electronic Payments Coalition | lobbying_client | $0 | $10.5M | $0 | $10.5M |
| Consumer Technology Association | pac | $345K | $10.1M | $0 | $10.5M |
| American Association for Justice | lobbying_client | $0 | $10.4M | $0 | $10.4M |
| Bae Systems | pac | $584K | $9.7M | $0 | $10.3M |
| BP America INC | lobbying_client | $0 | $10.3M | $0 | $10.3M |
| Real Estate Roundtable | lobbying_client | $0 | $10.2M | $0 | $10.2M |
| Vertex Pharmaceuticals Incorporated | pac | $117K | $10.0M | $0 | $10.1M |
| Dow Chemical Company DBA Dow | lobbying_client | $0 | $10.1M | $0 | $10.1M |
| Paramount Skydance Corporation | lobbying_client | $0 | $9.9M | $0 | $9.9M |
| U.S. Travel Association | pac | $197K | $9.8M | $0 | $9.9M |
| Gsk (fka Glaxosmithkline INC.) | lobbying_client | $0 | $9.9M | $0 | $9.9M |