• TEKSYSTEMS INC
• TJX Companies, Inc.
• TTM Healthcare Group
• TUI Group
• Talbot Group (Redwood Extended Care Facility)
• Tandem Project Management
• Taylor Hopkinson
• Team Horizon
• Teamworx
• Temple Bar Hotel
• Tesco Ireland Limited
• Test Triangle
• The Alzheimer Society of Ireland

• The Blackstone Group
• The Dean Hotel
• The Europe Hotel & Resort
• The Firm - Hotel and Catering Recruitment
• The FitzGerald Group
• The Fitzwilton Hotel
• The Gibson Hotel - Galsay
• The Ivy Collection (Troia Restaurants UK Ltd.)
• The K Club
• The Kingsley Hotel
• The Maritime Hotel
• The Montenotte Hotel
• The Morgan Hotel

• The National Maternity Hospital
• The National Orthopaedic Hospital Cappagh Designated Activity Company
• The Old Orchard Pub
• The Panel Group
• The People Group
• The Q Cafe Company
• The Recruitment Company
• The Rehab Group
• The River Lee Hotel
• The School Food Company
• The Shelbourne Hotel
• The SpitJack
• The Westbury Hotel

• The Works Stores
• Thornshaw Scientific
• Thorntons Recycling
• Three Ireland (Hutchison) Limited
• Three Steps Residential Assessment & Intervention
• Tier5Group
• Tigers Childcare
• Top Security Ireland
• Traditional Meat Company Ireland
• Tricel Ireland
• Trinity Care Nursing Homes
• Trinity College Dublin
• Trinity Recruitment