| Total | 26,629 | 2026 | |
| Dawn Meats Ireland UC | 1,065 | 2026 | |
| Google Ireland Limited | 1,008 | 2026 | |
| Ernst & Young | 736 | 2026 | |
| Amazon Development Centre Ireland Limited | 726 | 2026 | |
| Redwood Extended Care Facility UC | 697 | 2025 | |
| University Limerick Hospitals Group | 673 | 2026 | |
| Mowlam Healthcare Services Unlimited Company | 660 | 2026 | |
| Cork University Hospital | 613 | 2026 | |
| Nua Healthcare Services Limited | 566 | 2026 | |
| Accenture Limited | 534 | 2026 | |
| Tata Consultancy Services Limited | 491 | 2026 | |
| Costern Unlimited Company | 459 | 2026 | |
| Amazon Web Services EMEA SARL | 449 | 2026 | |
| WuXi Biologics Ireland Limited | 434 | 2026 | |
| Resilience Healthcare Limited | 401 | 2026 | |
| Deloitte Ireland LLP | 391 | 2026 | |
| Bartra OpCo (Beaumont NH) Limited | 386 | 2026 | |
| InisCare Limited | 372 | 2026 | |
| Anglo Beef Processors Ireland Unlimited Company | 369 | 2026 | |
| Intel Ireland Limited | 365 | 2026 | |
| St. James's Hospital | 361 | 2025 | |
| Applus Inspection Services Ireland Limited | 361 | 2026 | |
| Tallaght University Hospital | 350 | 2026 | |
| Amazon Data Services Ireland Limited | 339 | 2026 | |
| QT Technologies Ireland Limited | 339 | 2026 | |
| St. Vincent's Healthcare Group | 331 | 2026 | |
| Cognizant Technology Solutions Ireland Limited | 320 | 2026 | |
| Children's Health Ireland | 311 | 2026 | |
| University Hospital Kerry | 302 | 2026 | |
| Liffey Meats (Cavan) Unlimited Company | 293 | 2026 | |
| University Hospital Waterford | 291 | 2026 | |
| Galway University Hospital | 289 | 2026 | |
| Applied Materials Ireland Limited | 283 | 2026 | |
| Amazon Ireland Support Services Limited | 282 | 2026 | |
| Mater Misericordiae University Hospital | 280 | 2026 | |
| Mastercard Ireland Limited | 279 | 2026 | |
| Microsoft Ireland Research Unlimited Company | 262 | 2026 | |
| Software Labs Campus Unlimited Company | 261 | 2026 | |
| Monaghan Mushrooms Ireland UC | 249 | 2026 | |
| TLC Health Services Limited | 247 | 2026 | |
| TikTok Technology Limited | 241 | 2026 | |
| Rosderra Irish Meats Group Unlimited Company | 237 | 2026 | |
| Meta Platforms Ireland Limited | 227 | 2026 | |
| Rosderra Irish Meats Group UC | 225 | 2025 | |
| Knockrobin Nursing Home Limited | 223 | 2026 | |
| Letterkenny University Hospital | 222 | 2026 | |
| Infosys Limited | 221 | 2026 | |
| South Tipperary General Hospital | 221 | 2026 | |
| Beaumont Hospital | 220 | 2025 | |