• InTime Media

• Intuity

• Intune Networks

• Invistech IT Support

• IO

• IP Labs GmbH

• IP Telecom Ltd.

• IPC Digital Media

• iPing LTD

• iQuate

• 

  IRC – Irish Recruitment Consultants

• IRC – Irish Recruitment Consultants

• Ircona

• Irish Cancer Society

• Irish College of English

• Irish Computer Society

• Irish Computers

• Irish Data Protection Commission

• Irish Distillers Pernod Ricard

• Irish Home Care

• Irish International

• Irish League of Credit Unions

• Irish Nurses & Midwives Organisation

• Irish Stock Exchange