• I.T. Alliance Group Limited
• IBEC - Irish Business And Employers Confederation
• IBM
• IC Resources Ltd
• ICDS Recruitment Consultants
• ICT Services
• IDA Ireland
• IDG Direct
• IFAC Accountants
• ILCU - Irish League Of Credit Unions
• IPSUS Technologies Ltd
• IQVIA fka:QuintilesIMS
• IRC Dublin

• IRE Recruitment Services
• ISM Recruitment
• ISS Ireland Ltd
• ISS Recruitment Group
• IT Staff Recruitment
• ITech Consult
• Iceland Foods
• Icon
• Iconic Offices
• Igloo3
• Ikea
• Indaver
• Independent Solutions

• Infoplus Technologies UK Limited
• Informatica Ireland
• Ingenio Global
• Insight HR
• Insomnia Coffee Company
• Institute Of Technology Carlow
• Intact Software
• Integer Engineering
• Integrity360
• Intel Corporation
• InterTradeIreland
• Interaction Recruitment
• Intercom, Inc

• Intercontinental Dublin
• Ipsen Manufacturing Ireland Limited
• Irish Blood Transfusion Service
• Irish Cancer Society
• Irish Distillers Pernod Ricard
• Irish HomeCare
• Irish Life Financial Services Ltd
• Irish Pensions & Finance
• Irish Recruitment Consultants (Impellam Group)
• Irish Water
• Irish Wheelchair Association (IWA)
• i-Pharm Consulting
• itContracting (Evros Technology Group)