Comprehensive Investigative Services
- Provides a full range of process service, skip tracing and investigative services. Contact information provided.
- http://www.detectiveden.com/

Privacy Resolutions PC
- Privacy consulting firm, serving businesses and individuals.
- http://www.privacyresolutions.com/

Investigative Services Agency
- Offers security, corporate investigations, private investigations and corporate consulting.
- http://www.investigative-agency.com/

Myers Service Inc.
- Licensed private investigators and detectives specializing in background checks, insurance fraud, interviews, interrogation, locates, electronic debugging and asset investigations.
- http://www.detectiveservices.com

Don C. Haworth & Associates, Inc.
- A fully licensed and insured private investigative agency offering information on lines of service, security consulting, professional affiliations and contact.
- http://www.falconpi.com/

Ross/Murdoch Group Inc.
- Professional private investigators offering nationwide process serving, and fraud investigations. Description of services, professional affiliations and contact information.
- http://www.ross-murdoch.com/

United Processing, Inc.
- A licensed private detective agency offering investigative and process services.
- http://www.unitedproc.com/

Northern Investigations & Security Services, Inc.
- A full service detective and security agency. Offers listing of services offered, clients, and contact information.
- http://www.chicagoinvestigator.com/