Recommended Employment Screening Providers After a comprehensive review of research methods and procedures, the following firms are recommended as employment screening providers. Castlebranch Employment Screening Links to Investigative Web Sites If you are an investigator, a courtsearch client and would like to be listed below please contact: webmaster@courtsearch.com The Castle Branch Investigative Group, Inc. Edwards Investigations Piedmont Investigations ACCAR - P.I. JP Investigative Group Inc Charlotte Protective Service, Inc. Crump Investigations MR. Rogers P.I. Services - Gary Rogers Ronnie Smith DJG Investigative Services - Dwayne J. Green Diversified Investigations,Inc. - Rodney Knowles Federex, Inc. Sterling Investigative Group - Ritchie McManus