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.
- http://www.audiotel-support.com/

AEGIS Defence Services Ltd
- Security consultants specialising in technical surveillance countermeasures, information security and corporate investigations. Based in Scotland.
- http://www.aegisworld.com/

CPT International Ltd.
- Covert surveillance training, countermeasures, and technical security as well as exhibition and corporate event security.
- http://www.cpt-i.com/

Audio Visual Security Ltd.
- CCTV products and equipment.
- http://www.avsecurity.com

Spy Nexus Inc.
- Bug detectors, counter-surveillance equipment, telephone tap and phone wiretap detection devices, and body wire detectors.
- http://www.spy-nexus.com/

International Procurement Services Ltd.
- Features security equipment for government and corporate users. Specializes in electronic counter measures and team training. UK based.
- http://www.intpro.co.uk/

J.A. Lasorsa & Associates
- 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 netw
- http://www.lasorsa.com/

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.
- http://www.spybusters.com/

Professional Development TSCM Group Inc.
- Offers professional level services and advanced training for government, military, law enforcement, corporate, and the financial sector.
- http://ipg-protect.com/

Research Electronics International
- Offer training in how to conduct counter-surveillance investigations. Also design and manufacture electronic countermeasure equipment. Based in Algood, Tennessee, USA.
- http://www.research-electronics.com/

Artemis Security Solutions Ltd
- Offer counter-surveillance sweep and inspection services. Details of services, equipment used and company background. Based in London, United Kingdom.
- http://www.artemis-tscm.com/

EED Co, Inc
- Offer counter-surveillance sweep services. Tools used, credentials and contact details. Based in New York, USA.
- http://www.bugfinderusa.com/

Advanced Countermeasures
- Offers services in locating electronic eavesdropping devices through electronic detection and manual inspection. Serves the Midwestern US.
- http://counterspy.iwarp.com/

TSCM
- Debugging and eavesdropping detection training and services. Based in South Africa.
- http://www.tscm.co.za/

Executive World Services
- Assistance to business and government in the detection and nullification of electronic information theft and eavesdropping systems. Braselton, Georgia.
- http://executiveworldservices.com/

TSCM Technical Services
- Security consulting service dedicated to the detection of eavesdropping and electronic surveillance.
- http://www.tscmtech.com/

International Procurement Services Ltd
- Electronic counter measures sweeps in the United Kingdom.
- http://www.securitysearch.co.uk/

Technical Security Consultants Inc.
- Services in the areas of electronic countermeasures and protection of proprietary information, training and seminars. Carrollton, Georgia.
- http://www.dbugman.com/

Communication Security Inc.
- Technical surveillance countermeasure services. Bay City, Texas.
- http://www.bugsweep.com/

Granite Island Group
- Telecommunications security, counterintelligence, and security consulting. Based in Massachusetts.
- http://www.tscm.com/