U. S. Nongovernmental Source
- An individual citizen of the United States or a U. S. corporation, association or other organization substantially composed of United States citizens, which is not directly a part of the government (for example, a self-employed individual, consulting firm, licensee, or contractor, excluding active or reserve military personnel, Civil Service employees, and other individuals employed directly by the government); specifically excluded are corporations or associations under foreign ownership, control, and influence. (NCSC-2)