ACSS
Online training.

AOR Communications
"Authority On Radio Communications"

Audiotel International - UK
Europe's Leading Manufacturer of TSCM Equipment.                                                                                  

AvCom of Virginia
Microwave Test Equipment

Black Box
The One Source for Worldwide Infrastructure Services.

Brickhouse Security
Brickhouse Security is a technology provider for Business, Government and Law Enforcement.

Business Espionage Controls & Countermeasures Association (BECCA)
“The purpose of the association is to research and exchange information about business espionage controls and countermeasures; to establish and encourage a code of ethics within the profession, and to promote our professional image within the business community through a Certified Confidentiality Officer (CCO) Program. It is organized exclusively for, and will be operated for scientific, literary and educational purposes.”.

Canadian Technical Security Professionals Association (CTSPA)
The TSB is the primary sponsor and organizer of a Canadian based Professional Association with the objective of fostering the development of common professional best practices, standards, ethics and training within the TSCM industry.

Center for Democracy & Technology
Center for Democracy & Technology

Contact East
Products for Testing, Assembling and Repairing Electronic Equipment.

Crypto Museum
Museum of Equipment from the "Cold War".

Digi-Key Tech Zone
Over 465,000 Electronic Components in Stock from more than 440 Supplier Partners..

Digital Due Process
Digital Due Process.

Edmund Scientific
Electronic Products and Kits

Electronic Frontier Foundation
"Leading Civil Liberties group defending your rights in the digital world.".

Electronic Privacy Information Center
Electronic Privacy Information Center.

Espionage Research Institute
The Espionage Research Institute (ERI) is dedicated to collecting and promulgating information on hostile espionage activity. That is done through the process of accepting, screening, and editing reports of hostile activity as they are received from ERI Associates and its Advisors.

Institute of Electrical & Electronic Engineers (IEEE)
IEEE is the world’s largest professional association dedicated to advancing technological innovation and excellence for the benefit of humanity. IEEE and its members inspire a global community through IEEE's highly cited publications, conferences, technology standards, and professional and educational activities.

Jameco
Tools, Electronics and Test Equipment.

Microtest
Fluke Networks has acquired Microtest to offer the best copper and fiber test solutions available. 

Mini-Circuits
Electronic Components

Newark Electronics
The Broadest Electronics Selection for MIL/AERO Applications

Privacy Rights Clearinghouse
Privacy Rights Clearinghouse.

Professional Development TSCM Group (PDTG) - Canada
PDTG is a Canadian Corporation with 30+ Years of Professional Experience in Providing TSCM Services and Certification (Designate) Training.

RCFP.org
TRCFP Reading Room.

Rohde &  Schwarz
High End Equipment.

Security Guide

Science Watch
Science watch has been Tracking Trends and performance in Global Research Since 1989. Thomson Reuters is the world's largest international multimedia news agency.

Shearwater TSCM - UK
Shearwater TSCM (Technical Surveillance Counter Measures) specialises in the design, manufacture and training for integrated counter surveillance solutions. Clients include government, military organisations, police, larger corporations and of course professional sweep teams.

Signal Hound USB Specrum Analyser
The Signal Hound USB-SA44 is a Software Defined Radio (SDR) optimized as a spectrum analyzer. It is compact, simple to use, and an effective troubleshooting tool for general lab use, engineering students, ham radio enthusiasts, and electronics hobbyists. Using recent innovations in RF technology, the Signal Hound has the sensitivity, accuracy and dynamic range you’d expect in a unit many times its cost.

SIPE - Germany
High Tech Equipment Manufacturing for 40 years.

Spectral Guard - Canada
Canadian Associate of Shearwater. Spectral Guard conducts technical surveillance countermeasures (TSCM) sweeps and evaluations for private and government facilities.

Stratfor Global Intelligence
Global team of intelligence professionals provide an audience of decision-makers and sophisticated news consumers in the U.S. and around the world with unique insights into political, economic, and military developments. The company uses human intelligence and other sources combined with powerful analysis based on geopolitics to produce penetrating explanations of world events. This independent, non-ideological content enables users not only to better understand international events, but also to reduce risks and identify opportunities in every region of the globe..

Tektronix
Oscilloscopes, Real-Time Spectrum Analysis and other High Quality Test Equipment.

Test Equipment Plus
Test Equipment Plus, provides top quality, affordable service, sales, and support for the used test and measurement market. Specialize in HP® / Agilent® electronic test equipment, but service equipment from all major manufacturers. CRT and Color LCD retrofit kits for HP/Agilent.

The Red Balloon
The Most Informative Video on Industrial Espionage and Electronic Eavesdropping Ever Produced.  

TSCM Handbook
The Technical Surveillance Countermeasures Handbook and Other Valuable TSCM Resources.  

WiNRADiO
WiNRADiO Communications manufacture radio communications equipment for a very wide range of applications.
Customers include professional communications radio users in government, military, security, surveillance,
spectrum monitoring organizations, telecommunications, industry, as well as radio and computer enthusiasts.

Worldwide BandplanDatabase
PerCon has completed development of a Worldwide Bandplan Database. The WBP is the first product of its kind. It combines the bandplans of nearly 100 countries, the EU and other frequency coordination organizations in a uniform, searchable database.