- National Association Of Real Estate Boards3
- National Council of Senior Citizens1
- National Council on Disability (U.S.)1
- National Education Association of the United States1
- National Federation Of Business And Professional Women's Clubs1
- National Governors' Conference1
- National Restaurant Association (U.S.)1
- Nickles, Don1
- North, Oliver1
- O'Neill, Tip2
- Oregon Association Of Realtors1
- Patten, Edward J. (Edward James), 1905-19941
- Pauls, Frederick H.3
- Paxon, Bill, 1954-1
- Pell, Claiborne, 1918-20091
- Petro, Sylvester, 1917-20071
- Poff, Richard H. (Richard Harding), 1923-20114
- Pollak, Stephen J.1
- Poole, William Daniel, 1932-20211
- Porter, Harry H., 1900-19711
