Welcome to The NISP Group

A FREE online referral/directory and list serve group for Licensed Private Investigators, Certified Polygraph Examiners, Licensed Private Security Professionals (Agency Owners) and Registered Process Servers.

A FREE online directory service of local, national and worldwide professional private investigators, polygraph examiners, security personnels and process servers for the general public.

Anyone requiring assistance with a personal or business matter can refer to The NISP Group with confidence knowing their needs will be handled professionally, discreetly and diligently.

All of The NISP Group members must meet their state's or country's minimum requirements to be a private investigator, polygraph examiner, private security professional or process server. However, The NISP Group recommends you perform your own due diligence in verifying state license and/or certification, insurance and/or bond before hiring any service professional.

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