Partial list of clients Walter Fields has served in the past.
- United States Agency for International Development (US AID)
- National Forum for Black Public Administrators
- New Jersey Democratic State Committee
- New Jersey Coalition for Civil Justice
- New York Urban League
- Center for Constitutional Rights
- National Safety Council
- New Jersey Institute for Social Justice
- Rent-A-Center Stores
- New Jersey Coalition for Local Telephone Competition
- Florio for Senate Campaign
- Campbell for State Senate Campaign
- Center for the Analysis of Public Issues
- Morgan State University School of Education and Urban Studies
- Irvington (NJ) Board of Education
- New Jersey Republican Senate Committee