- Granite Island Group - http://www.tscm.com/
Telecommunications security, counterintelligence, and security consulting. Based in Massachusetts.
- Aegis Intelligence - http://www.aegis.sageweb.co.uk/
Security consultants specialising in technical surveillance countermeasures, information security and corporate investigations. Based in Scotland.
- Technical Security Consultants Inc. - http://www.dbugman.com/
Services in the areas of electronic countermeasures and protection of proprietary information, training and seminars. Carrollton, Georgia.
- TSCM Technical Services - http://www.tscmtech.com/
Security consulting service dedicated to the detection of eavesdropping and electronic surveillance.
- Executive World Services - http://executiveworldservices.com/
Assistance to business and government in the detection and nullification of electronic information theft and eavesdropping systems. Braselton, Georgia.
- TSCM - http://www.tscm.co.za/
Debugging and eavesdropping detection training and services. Based in South Africa.
- Advanced Countermeasures - http://counterspy.iwarp.com/
Offers services in locating electronic eavesdropping devices through electronic detection and manual inspection. Serves the Midwestern US.
- Audiotel International - http://www.audiotel-int.com/
Manufacturer of counter surveillance electronics including harmonic receivers, junction detectors, bug and mobile phone detectors and cable checkers. Located in Corby, United Kingdom.
- EED Co, Inc - http://www.bugfinderusa.com/
Offer counter-surveillance sweep services. Tools used, credentials and contact details. Based in New York, USA.
- Artemis Security Solutions Ltd - http://www.artemis-tscm.com/
Offer counter-surveillance sweep and inspection services. Details of services, equipment used and company background. Based in London, United Kingdom.
- Research Electronics International - http://www.research-electronics.com/
Offer training in how to conduct counter-surveillance investigations. Also design and manufacture electronic countermeasure equipment. Based in Algood, Tennessee, USA.
- International Protective Group - http://ipg-protect.com/
Offer counter-surveillance sweep services and training. Information on approach and results of previous investigations. Mississauga, Ontario, Canada.
- Murray Associates - http://www.spybusters.com/
Eavesdropping detection and counterespionage consulting services. Includes espionage newsletter archive and downloadable guidance on security and bug detection. Based in Oldwick, New Jersey, USA.
- J.A. Lasorsa & Associates - http://www.lasorsa.com/
Provides debugging, anti-wiretapping, and audio countermeasure services, security services and consulting, confidential investigations, executive protection, threat and vulnerabiltiy assessments, workplace and school violence consulting, and computer network security.
- International Procurement Services Ltd. - http://www.intpro.co.uk/
Features security equipment for government and corporate users. Specializes in electronic counter measures and team training. UK based.
- Spy Nexus Inc. - http://www.spy-nexus.com/
Bug detectors, counter-surveillance equipment, telephone tap and phone wiretap detection devices, and body wire detectors.
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