
Digital Ai is an American technology company specializing in anti-tamper and digital rights management (DRM) for Internet of Things (IoT), mobile, and other applications. Arxan's security products are used to prevent tampering or reverse engineering of software, thus preventing access or modifications to said software that are deemed undesirable by its developer. The company reports that applications secured by it are running on over 500 million devices. Its products are used across a range of industries, including mobile payments & banking, automotive, healthcare and gaming.

Crypto AG was a Swiss company specialising in communications and information security. It was secretly jointly owned by the American Central Intelligence Agency (CIA) and West German Federal Intelligence Service (BND) from 1970 until about 1993, with the CIA continuing as sole owner until about 2018. With headquarters in Steinhausen, the company was a long-established manufacturer of encryption machines and a wide variety of cipher devices.

Futurex LP, commonly referred to as Futurex, is a privately held Texas-based information technology company specialized in cryptography.

Gemalto was an international digital security company providing software applications, secure personal devices such as smart cards and tokens, and managed services. Formed in June 2006 by the merger of two companies, Axalto and Gemplus International. Gemalto N.V.'s revenue in 2018 was €2.969 billion.

ID Quantique (IDQ) is a Swiss company, based in Geneva, Switzerland, and provides quantum key distribution (QKD) systems, quantum safe network encryption, single photon counters, and hardware random number generators.

PGP Corporation was a company that sold Pretty Good Privacy computer software. It was founded in 2002, and acquired by Symantec in 2010.

Safelayer Secure Communications S.A. is a Spanish private company founded in May 1999. It develops software products on the public key infrastructure area. Safelayer's technology is part of the three major certification and digital identity projects in Spain: Fábrica Nacional de Moneda y Timbre, the Spanish ID card DNI electrónico and the Spanish E-passport. Safelayer's technology also secures the NATO X400 messaging system.

SafeNet, Inc. was an information security company based in Belcamp, Maryland, United States, which was acquired in August 2014 by the French security company Gemalto. SafeNet's products are marketed under the SafeNet product brand, and include solutions for enterprise authentication, data encryption, and key management. SafeNet's software monetization products are sold under Gemalto's Sentinel brand.