• The Equine Warehouse

• The Health Information and Quality Authority – HIQA

• The Panel

• The Recruitment Bureau

• Think Research Corporation

• Tierney's Office Automation

• TitanHQ

• Top Tier Recruitment

• Topform Ltd

• TORI Global Limited

• Torry Harris Business Solutions (Europe) Limited

• Total Mobile

• Totterdell Communications

• TradeFacilitate

• Transaction Network Services

• Trayport

• Treaty Software

• Trent Recruitment

• Trilogy Technologies

• Trinity College Dublin

• Trojan IT Business Solutions

• TrueArgument

• TrueArgument

• Trust In Soda