| Special Investigative Services | Charlotte, NC | |
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| The Intelligence Group | nationwide | 908.901.0112 |
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| L.S.S. Consulting Inc. Legal and Security Strategics | nationwide | 248-366-5020 |
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| Tri-County Private Investigations of Missouri | nationwide | 816-407-1213 |
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| JP Investigative Group, Inc. | Charlotte, NC | 877-990-2111 |
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| OmniTrace Corporation | nationwide | 888-965-6696 |
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| Kalmbach and Associates | nationwide | 888-540-0601 |
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| IPSA Intenational, Inc. | nationwide | (510)748-1234 |
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| Investigative Resources International | nationwide | 800-252-5853 |
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| 3rd Degree Investigations, Inc. | nationwide | 919-872-2270 |
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| Investigation and Paralegal Group | nationwide | 314-642-6000 |
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| Gietzen & Associates, Inc. | nationwide | 888-779-2345 813-223-3233 |
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| Eagle Eye Detective Agency | Charlotte, NC | 704-376-2728 |
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| DTIS | nationwide | 402-438-6393 |
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| The John Haus Group (Va. DCJS 11-3303) | nationwide | 1-866-788-7010 |
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| Verdict Resources, Inc. | nationwide | 888-800-8895 |
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| Poindexter & Associates, Inc. | Raleigh, NC | 919-859-5294 |
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| CDS Group International LLC | nationwide | 402-462-9966 |
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| LandAmerica Information Company | nationwide | 800-368-3380 |
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