| Investigative Resources International | nationwide | 800-252-5853 |
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| Tri-County Private Investigations of Missouri | nationwide | 816-407-1213 |
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| Kalmbach and Associates | nationwide | 888-540-0601 |
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| Accident Reconstruction & Investigation, LTD | nationwide | 888-266-9365 |
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| Middleton Investigative Services | nationwide | 866-647-8091 |
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| Poindexter & Associates, Inc. | Raleigh, NC | 919-859-5294 |
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| IPSA Intenational, Inc. | nationwide | (510)748-1234 |
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| Shaffer & Associates, Forensic Technologies | nationwide | 888-831-1431 |
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| CDS Group International LLC | nationwide | 402-462-9966 |
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| L.S.S. Consulting Inc. Legal and Security Strategics | nationwide | 248-366-5020 |
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| Southern Model Builders, LLC | nationwide | 251-625-2862 |
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| JP Investigative Group, Inc. | Charlotte, NC | 877-990-2111 |
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| Special Investigative Services | Charlotte, NC | |
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| Gietzen & Associates, Inc. | nationwide | 888-779-2345
813-223-3233 |
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| Verdict Resources, Inc. | nationwide | 888-800-8895 |
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| DIBS USA - Computer Forensics | nationwide | 917-202-0551 |
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| Workplace Criminalistics and Defense International | nationwide | 877-527-8706 or 713-353-3914 |
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| Investigation and Paralegal Group | nationwide | 314-642-6000 |
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| Morgan Associates Private Svc. | Fletcher, NC |
