• SAP Software Solutions
• SCL Sales Ltd
• SEC Recruitment
• SGS Ireland
• SONAS RECRUITMENT
• STL Logistics Limerick
• Saint John of God Community Services
• Salthill Hotel
• Sam Dennigan & Co.
• Sanderson Recruitment
• Sandymount Hotel
• Sanmina Corporation
• Savills Ireland
• Schoolhouse Hotel
• Securitas Security Services Ireland
• Shearwater Hotel
• Sheraton (Marriott International, Inc.)
• Sigmar Recruitment - Sigmar Recruitment Consultants
• SimoTech
• Skechers Ireland
• Skillfinder International
• Sky Handling Partner
• Slieve Russell Hotel
• Smiggle UK
• Smyths Toys HQ UC
• SoftCo
• Sophia Housing Association
• Speedy Asset Services
• Spencer Hotel Dublín City
• Spirit Motor Group
• Sports Direct
• St Michael's House
• St Patrick’s Mental Health Services (SPMHS)
• St. Catherine's Association
• St. James Hospital Foundation
• St. Vincent's University Hospital
• Stack and.co
• Starbucks Ireland
• Staycity Aparthotels Ltd
• Stelfox It Recruitment
• Storm Recruitment
• Storm Technology
• Storyful
• Strandvaus
• Stryker
• SuperValu - Musgrave
• Superdry
• Superior Express Ltd
• Supermac's
• Suretank Group
• Susquehanna International Group, LLP
• Swissport International