• CCS Cleaning
• COREcruitment International
• CPL Recruitment (CPL Group)
• CPM Group
• CRL Recruitment
• Camden Recruitment Partners
• Capita plc
• CarTrawler
• Carechoice Group
• CareerZone Limited
• Careerwise Recruitment
• Carpetright plc
• Carrick Recruitment Ltd

• Carton House
• Castleknock Hotel & Country Club
• Castlemartyr Resort, Co
• CeX Ltd
• Centric Health Group
• Charles River Laboratories International
• Charleville Park Hotel
• Cheshire Ireland
• Chill Insurance
• Chris Mee Group
• Cisco
• Citigroup
• Citrix Systems, Inc

• Claran Consultants
• Clarity Locums
• Clarity Recruitment
• Clarks.Com
• Cliff At Lyons
• Clontarf Castle
• ClubTravel
• Cognizant
• Communicare Healthcare
• Compass Group PLC
• Complete Lab Solutions
• Computer Futures Solutions Ltd.
• Computershare Limited

• Concern Worldwide
• Connect Recruitment
• Cook Medical
• Coombe Women & Infants University Hospital
• Coopero Limited
• Copperfasten Technologies
• Cork Simon Community
• Cornhouse Consulting Limited
• Cornmarket Group Financial Services Ltd
• Cregg Group
• Crossell
• Crowne Plaza Dublin Airport
• Cushman & Wakefield, Inc.