HP has membership in the following U.S. state
and local associations.
| Association of Oregon Industries |
| Business Council of New York |
| California Issues Forum |
| California Manufacturers & Tech Association |
| California Taxpayers Association |
| Chamber of Commerce, Palo Alto |
| Chamber of Commerce, San Jose Silicon Valley |
| Colorado Association of Commerce & Industry |
| Conference of Western Attorneys General |
| Council of State Governments |
| Greater Austin Chamber of Commerce |
| Idaho Association of Commerce & Industry (IACI) |
| Illinois Manf. Association |
| Louisiana Association of Business and Industry |
| Michigan State Chamber of Commerce |
| Minnesota State Chamber of Commerce |
| National Conference of State Legislatures |
| National Governors Association |
| Nebraska Association of Commerce & Industry |
| New Mexico Association of Commerce & Industry |
| New York League of Conservation Voters |
| North Carolina Technology Assoc |
| Oklahoma State Chamber of Commerce |
| Plano Chamber of Commerce |
| Silicon Valley Leadership Group |
| State Government Affairs Council |
| State Legislative Leaders Foundation |
| Technology Council of Central Pennsylvania |
| Texas Association of Manufacturers |
| Texas Conservative Research Institute |
| Wisconsin Manufacturers & Commerce |