Vogon International Ltd  
   Company with offices in United Kingdom and Germany performing computer investigations.
   http://www.vogon-computer-evidence.co.uk/

Pinkerton Consulting & Investigations  
   European offices located in the United Kingdom, France, Sweden and Germany.
   http://www.pinkerton-europe.com/

Nationwide Investigations Group  
   United Kingdom firm performing investigations throughout the world.
   http://www.nationwideinvestigations.com/

No Hiding Place Ltd.  
   International investigation and detective agency based in the United Kingdom.
   http://www.nohiding.com

American Investigations  
   Private investigators serving Europe from offices in France.
   http://www.europe-detectives.com/

Act Investigations  
   French detective firm providing services throughout Europe.
   http://www.actinvestigations.com

Duncan & King Investigations  
   Private inquiry agency offering services throughout the Pacific.
   http://www.dki.com.au/

Security Associates Group  
   Security consulting and investigative firm providing services for business and governments. Based in Miami, Florida.
   http://www.sagnv.com/

Fuller Group Security  
   Computer crime investigator with offices in Hong Kong and Sydney.
   http://www.fullergroup.com/

SilverWing Investigations Ltd  
   Investigative services in Canada and India. Based in Delta, British Columbia.
   http://silverwinginvestigations.com/

Smith Brandon International  
   Worldwide due diligence and business intelligence gathering. Based in the District of Columbia.
   http://www.smithbrandon.com

Incognito Investigations, Inc.  
   New York private investigation agency offering services throughout the world.
   http://www.incognitoinvestigations.com/

TACTICS Private Investigations  
   Private investigators offering international service. Based in Mississippi.
   http://www.tacticsone.com

Asiavest Investigative Services  
   Private investigation firm with offices in Taiwan and the United States.
   http://www.angelfire.com/ca6/asiavest/pi.html

Talon Executive Services, Inc.  
   Corporate security consulting and investigation company based in California.
   http://www.talonexec.com

Intelsec Consultants Limited  
   International investigations, corporate security, counter espionage, analysis and strategic planning. Based in the Cayman Islands.
   http://www.intelsecconsultants.com/

Terence Keen & Associates  
   Ontario based private investigator providing services in Canada the United Kingdom.
   http://www.investigativepower.com/

International Detective Agency  
   Investigative firm based in Taiwan, also serving mainland China.
   http://www.detective.com.tw/

Background Check International, LLC  
   Pre-employment screening for larger companies throughout the world. Based in Temecula, California.
   http://www.bcint.com/

The W Group  
   International private investigations and risk mitigation. Based in Walnut Creek, California.
   http://www.w-group.net/

International Security Network Ltd.  
   Provide a wide range of private security services to the public and corporate clients worldwide. Based in Cheshire, England.
   http://www.isnuk.com/

Investigative Resources International  
   Long Beach, California firm offering investigative services throughout the world.
   http://www.factfind.com/

Investigative Solutions  
   International investigation and research service to the legal profession, commerce and private clients. Based in the United Kingdom.
   http://investigativesolutions.co.uk/

Peter Smith  
   International fraud enquiries, corporate due diligence. International services. Based in the United Kingdom.
   http://www.uk-private-investigators.com/

James W Kenney Interests  
   Private investigator offering global services. Based in San Antonio, Texas.
   http://www.kenneyinvestigations.com/

Bentley Associates, Inc.  
   Conducting domestic and international investigations. Based in Andover, Maryland.
   http://www.bentley-associates.com/

Brian Brown & Associates Inc.  
   International fire and explosion investigation services. Based in British Columbia, Canada.
   http://www.bbai.com/

Jell Ltd.  
   Independent corporate research, troubleshooting and intelligence-gathering company. Based in England, with an office in Russia.
   http://www.jellgroup.com

Kroll, Inc.  
   International investigations, security, forensic accounting, and risk consulting services.
   http://www.krollworldwide.com/

Quest Research Ltd.  
   Corporate research and screening services throughout Asia, from offices in India, Australia, China, and Dubai.
   http://www.questresearch.com/

CTC International Group, Inc.  
   Investigative agency that gathers worldwide business intelligence. West Palm Beach, Florida.
   http://www.ctcintl.com/

Cyber Crime International  
   Tracking international computer crime, from offices in Albuquerque, New Mexico.
   http://www.cybercrimeinternational.com/

Manuel, Daniels, Burke International, LLC  
   Investigation firm providing services worldwide from offices in Nevada and Virginia.
   http://www.mdbinternational.com/

Cyrus International  
   International investigative firm offering services including asset tracking, due diligence, corporate investigations and protective security. Based in London, England.
   http://www.cyrus-international.com/

Detective-Russia Agency  
   Investigations, background checks and location of missing persons in Russia and Ukraine. Offices in Moscow and Kiev.
   http://www.detective-russia.com/

Mega Company Services Plc  
   Business information and due diligence investigations in the Arab world. Based in Oxford, England.
   http://www.mega.co.uk

Risk Analysis  
   Security risk management and investigative consultancy with offices throughout Europe.
   http://www.risk-analysis.org/

Diamond Investigations Pty Limited  
   Worldwide investigative services from offices in Melbourne, Australia.
   http://www.diamondinvestigations.com.au/

Elliott & Associates, Ltd.  
   New Mexico based investigative firm offering international services.
   http://www.prvt-eye.com/

Orion Management International Ltd.  
   International investigative firm based in Golden, Colorado.
   http://www.orionomi.com

Pan American Investigations  
   Tucson, Arizona firm offering services throughout Latin America.
   http://mywebpage.netscape.com/edmoos/panam.html

The Pelican Group  
   Private investigative agency with offices in Fort Lauderdale, Florida and Sao Paulo, Brazil.
   http://www.investigationsgroup.com/

Security Associates  
   Fraud and security investigations in Europe and the Middle-East. Based in Nicosia, Cyprus.
   http://www.euroinvestigations.com/

The LUBRINCO Group  
   International investigative and protective services. Headquartered in New York.
   http://www.lubrinco.com/

NFC Global, Inc.  
   International due diligence, investigations and consulting. Based in Horsham, Pennsylvania.
   http://www.nfcglobal.com/

Citigate Global Intelligence and Security  
   Global business investigation and intelligence services.
   http://www.citigategis.com/

Saturn-K  
   Investigations, security consultants, trainers and providers of legal, physical and technology security services. Located in Kiev, Ukraine.
   http://www.saturn.k.kiev.ua/en/