| Investigation and Paralegal Group | nationwide | 314-642-6000 |
 |
| Southern Model Builders, LLC | nationwide | 251-625-2862 |
|
| Kalmbach and Associates | nationwide | 888-540-0601 |
|
| Verdict Resources, Inc. | nationwide | 888-800-8895 |
|
| Investigative Resources International | nationwide | 800-252-5853 |
|
| Accident Reconstruction & Investigation, LTD | nationwide | 888-266-9365 |
|
| CDS Group International LLC | nationwide | 402-462-9966 |
|
| Middleton Investigative Services | nationwide | 866-647-8091 |
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| Shaffer & Associates, Forensic Technologies | nationwide | 888-831-1431 |
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| Gietzen & Associates, Inc. | nationwide | 888-779-2345
813-223-3233 |
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| Tri-County Private Investigations of Missouri | nationwide | 816-407-1213 |
|
| Agency, Inc. | Silver Spring, MD | (301) 585-7807 |
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| Workplace Criminalistics and Defense International | nationwide | 877-527-8706 or 713-353-3914 |
|
| DIBS USA - Computer Forensics | nationwide | 917-202-0551 |
|
| L.S.S. Consulting Inc. Legal and Security Strategics | nationwide | 248-366-5020 |
|
| IPSA Intenational, Inc. | nationwide | (510)748-1234 |
|
| S & H Investigators | Cambridge, MD |
| Keyton Investigation, Inc. | Baltimore, MD |
| Neff Decker Investigations | Earleville, MD |
