Consumer law advocate Cary Flitter has helped numerous clients over the past twenty years. The following is a partial list of the companies and organizations he has sued on behalf of his clients:
| Academy Collection | Account Management Systems |
| Accounts Receivable Technologies | Account Solutions Group |
| Affiliated Credit Services | Affinity Receivable Management |
| AFNI | Alliance One |
| Allied Interstate | Amato & Associates |
| Asset Acceptance |
| Daniels & Norelli, P.C. | Delta Management |
| Eastern Asset Management | Encore Receivable Management |
| ER Solutions | Evans & Associates |
| Evans Law Associates | Evergreen Professional Recoveries |
| Federated Financial Corp. of America | Financial Credit Services |
| First National Collection Corp. | Financial Trust Credit Union |
| Genesis Financial Systems | Global Vantege |
| Hudson & Keyse LLC |
| IC Systems |
| Jefferson Capital Systems |
| KCA Financial Services |
| Law Office of Paul Coleman | Law Office of Frederick Hanna |
| Law Office of Laurence Hecker | Law Office of Mitchell N. Kay |
| Law Office of Gerald E. Moore & Associates | Law Office of Christopher Ranieri |
| Law Office of Thomas J. Russell | Law Office of Schettine & Nguyen |
| Law Office of J. Scott Watson | LVNV Funding, LLC |
| Malcolm S. Gerald & Associates | Mann Bracken, LLC |
| Mercantile Adjustment Bureau | Merchants Credit Guide Co. |
| Midland Credit Management | Midpoint Resolution |
| MRS Associates |
| NAFS-National Action Financial Service | National Credit Adjusters |
| National Enterprise System | Nationwide Collections, Inc. |
| NCA Financial Services | NCO Financial Systems |
| Northeast Credit & Collection | Northland Group |
| North Shore Agency |
| OMNI Credit Services | OSI |
| Palisades Collections | Patenaude & Felix |
| Phillips & Burns | Phillips & Cohen, LLP |
| Pinnacle Credit Services, LLC | Plaza Associates |
| Portfolio Recovery Associates | Primary Financial Services |
| Pro-Line Solutions Group |
| Remit Corporation | Resurgent Capital Services |
| RJM Acquisitions, LLC | RMCB - Retrieval Masters Creditors Bureau |
| Rickart Collection Systems | Jesse Riddle & Associates |
| Security Credit Systems | Shapiro Law Office |
| Simm Associates | SR Financial |
| Sunrise Credit Services | Superior Asset Management |
| Unifund | United Collection Bureau |
| United Recovery Systems | Universal Fidelity |
| Weltman Weinberg & Reis |
| Zenith Acquisition |