Organizations
20 of the 1,979 organizations that named Department of the Interior on a federal lobbying report.
What each reported on reports that name it, 2019 to 2026. A report names several issues, so each figure is the whole report.
| Chamber of Commerce of the U.S.A. | 2026 | 31 | $538M |
| National Association of Realtors | 2026 | 12 | $213M |
| American Chemistry Council | 2026 | 25 | $99.5M |
| Occidental Petroleum Corporation | 2026 | 31 | $74.4M |
| Lockheed Martin Corporation | 2025 | 19 | $63.5M |
| Microsoft Corporation | 2026 | 26 | $62.2M |
| Chevron, U.S.A., Inc. | 2026 | 31 | $61M |
| Bayer Corporation (Consolidated Report) | 2026 | 31 | $58.2M |
| Exxon Mobil Corp. | 2026 | 29 | $58M |
| Shell USA, Inc. | 2026 | 31 | $52.3M |
| Nextera Energy, Inc. | 2026 | 40 | $52.1M |
| National Association of Manufacturers | 2026 | 18 | $51.2M |
| Amazon.com Services LLC | 2026 | 10 | $44.5M |
| Conocophillips | 2026 | 53 | $43.2M |
| American Petroleum Institute | 2026 | 24 | $39M |
| Duke Energy Corporation | 2026 | 20 | $28.5M |
| U.S. Travel Association | 2026 | 31 | $27.9M |
| Pacific Gas and Electric Company | 2026 | 16 | $27.5M |
| National Association of Home Builders | 2026 | 31 | $26.7M |
| Business Roundtable Inc. | 2026 | 3 | $24.4M |
