• Trust5

• TSFY LTD t/a NUACOM

• Tuath Housing

• Tuath Housing Association

• Tuath Housing Association

• Tune Presto

• Tweak.com

• Twelve Horses

• TyreDogg

• UCD

• Ultra Electronics Airport Systems

• Unbound

• Unitec IT Solutions

• United Drug

• University College Cork (UCC)

• University College Dublin

• UPMC Whitfield Hospital

• Van Rath

• Vantage Resources

• Vanty International

• VBT

• Velocity Markets Ltd.

• Venderion B.V.

• Vendor Shop (Vendorshopsocial.com)