Granite Island Group - Telecommunications security, counterintelligence, and security consulting. Based in Massachusetts. Communication Security Inc. - Technical surveillance countermeasure services. Bay City, Texas. Technical Security Consultants Inc. - Services in the areas of electronic countermeasures and protection of proprietary information, training and seminars. Carrollton, Georgia. Executive World Services - Assistance to business and government in the detection and nullification of electronic information theft and eavesdropping systems. Braselton, Georgia. EED Co, Inc - Offer counter-surveillance sweep services. Tools used, credentials and contact details. Based in New York, USA. Research Electronics International - Offer training in how to conduct counter-surveillance investigations. Also design and manufacture electronic countermeasure equipment. Based in Algood, Tennessee, USA. Professional Development TSCM Group Inc. - Offers professional level services and advanced training for government, military, law enforcement, corporate, and the financial sector. Murray Associates - Eavesdropping detection and counterespionage consulting services. Includes espionage newsletter archive and downloadable guidance on security and bug detection. Based in Oldwick, New Jersey, USA. International Procurement Services Ltd. - Features security equipment for government and corporate users. Specializes in electronic counter measures and team training. UK based. Spy Nexus Inc. - Bug detectors, counter-surveillance equipment, telephone tap and phone wiretap detection devices, and body wire detectors. Audio Visual Security Ltd. - CCTV products and equipment. CPT International Ltd. - Covert surveillance training, countermeasures, and technical security as well as exhibition and corporate event security. AEGIS Defence Services Ltd - Security consultants specialising in technical surveillance countermeasures, information security and corporate investigations. Based in Scotland. TSCM Services - Debugging and eavesdropping detection training and services. Based in South Africa. Audiotel International - Manufacturer of counter surveillance electronics including harmonic receivers, junction detectors, bug and mobile phone detectors and cable checkers. Located in Corby, United Kingdom.