Technical Communications Corporation was organized in 1961 as a Massachusetts corporation to engage primarily in consulting activities. Since the late 1960s, the business has consisted entirely of the design, development, manufacture, distribution, marketing and sale of communications security devices and systems. The secure communications solutions provided by TCC protect vital information transmitted over a wide range of data, fax and voice networks. TCC's products have been sold into over 100 countries and are in service with governments, military agencies, telecommunications carriers, financial institutions and multinational corporations. The Company's business consists of one industry segment, which is the design, development, manufacture, distribution, marketing and sale of communications security devices and systems.