118. Forcepoint

Forcepoint (formerly known as Websense) provides information technology security solutions, including real-time web security, data security and email security. It employs 52 people in Ireland.

117. Extreme Networks

Extreme Networks, with roots going back to its foundation as networking innovator Cabletron in 1983, is a Siemens Enterprise Communications company. It is a multi-billion dollar provider of hardware, software, and services delivers unified voice, video, and data communi...

116. Unity Technology Solutions

Unity Technology Solutions is an independent provider of ICT managed services. It provides a complete suite of integrated solutions across the entire ICT spectrum including voice, call recording and analytics, unified communications, infrastructure, security and IT con...

115. Dialogic

Dialogic Distribution Limited is a wholly owned subsidiary of Dialogic Corporation. The company is engaged in the manufacture, sale and distribution of connectivity products for PC and local area networks. It is also a provider of multimedia and signaling technology and...

114. CSG International

Intec Billing Ireland is part of Intec International which was acquired by CSG International. The wider group provides an end-to-end revenue and customer management platform, encompassing mediation, billing, rating, charging, customer care, web self-service, analytic...

113. BAE Systems Detica

BAE Systems Detica delivers information intelligence solutions to government and commercial customers by helping them to collect, exploit and manage data so they can deliver business services more effectively and economically. The company also develops solutions to stre...

112. Matrox

Matrox Europe designs hardware and software for graphics, video, and industrial imaging applications. The hardware includes video imaging boards and graphics boards for computer maufacturers, computer equipment distributors and end users. It employs 24 people from its ...

111. Logicalis

Logicalis is an international managed services and IT solutions provider with over 6,500 employees worldwide. Logicalis has had successful operations in Dublin and Cork for over 25 years. Employees are highly-trained service specialists who design, specify, deploy and...

110. Rigney Dolphin

Rigney Dolphin is an Irish family-owned outsource service provider established in 1990. The company offers a variety of bespoke services including contact centre solutions, customer relationship management, HR and recruitment services and contact centre consultancy se...

109. Datalex

Datalex is a travel software firm whose platform drives some 75 million travel bookings per year. Clients include Aer Lingus, Continental Airlines, Trailfinders and United Airlines and Air China. Datalex is the global leader in travel retail software and solutions ...

108. Verizon Ireland

Verizon is a global group specialising in communications, IT solutions, information and entertainment services. The group is headquartered in Basking Ridge, New Jersey, and employs more than 100,000 people. Its Irish operation provides telecommunication services and...

107. Harkness Screens International

Harkness Screens International manufactures projection screens for a wide variety of applications such as cinema, pro AV, simulators, live theatre, special events, convention centres, TV studios, and theme parks. Its corporate headquarters are located in Dublin's Merrio...

106. Citrix Systems Ireland

Citrix Systems Inc. was founded in 1989 to provide server, desktop and application virtualisation, networking and cloud computing technologies to enable better work efficiency. American company Citrix solutions power business mobility through secure, personal workspac...

105. Imagine Communications

Imagine Communications provides telecommunications services to corporate and residential customers. The company is probably best known in Ireland for its WiMax or Worldwide Interoperability for Microwave Access product, a 4G wireless technology giving consumers home ...

104. Intuition Publishing

Intuition was established in 1985, supplying computer-based training to the financial markets. Since then the company has grown to become a leading provider of technology-enabled learning to a broad range of markets including financial markets, life science & pharma and...

103. Codex

Codex is one of Ireland's largest stationery and office supplies firms. Set up in 1979 by Brendan Murphy, it is still a family-run business. It has extended its offering to include Interiors, Print & Design and Facilities Management.

102. Electronic Arts

Electronic Arts Ireland provides customer support and network hosting for Electronic Art’s computer games, including the hugely successful FIFA and Medal of Honour games. Electronic Arts Ireland provides these services to other companies within the Electronic Arts grou...

101. Concentrix

Concentrix (the Irish operations of which were previously known as Stream Ireland) was acquired by Synnex and merged with its Concentrix subsidiary in 2018. Concentrix offers sales, customer care and technical support to its customers. It has a global network of appr...

100. Guidewire Software

Guidewire Software builds core software systems for the general insurance industry. In 2011, it established a Global Services and Development centre in Blanchardstown Corporate Park in Dublin. In 2015, Guidewire Software announced the creation of 60 to 80 new jobs to ...

99. Premiere Conferencing

PGi provides teleconferencing and web-related communications solutions using video, web and audio conferencing enhanced with social networking and media sharing. Established in 1991, PGi now has a presence in 25 countries worldwide. The group's headquarters are i...