| # |
| 4pm | 118-120 Rathmines Road Lower, Rathmines | 4pm.ie | +353 1 497 7705 | |
| A |
| A&A Computer Training | 20 Saint Agnes Road, Crumlin | aandacomputertraining.com | +353 1 456 3186 | |
| Adverts Marketplace Limitednot edited since 2019 | Golden Lane, Temple Bar | adverts.ie | | |
| Amazon dub19 | Portobello, no street on record | | | |
| Amazon Web Services Ireland Ltd | Burlington Road, Ranelagh | aws.amazon.com | | |
| Automate | Fitzwilliam Square North, Ranelagh | automate.ie | | |
| C |
| Cashman Technologies Ltd | 43 Heytesbury Street, Portobello | cashman.biz | +353 86 608 4457 | |
| Celtrino | 125 Parnell Street, International Financial Services Centre | celtrino.com | +353 1 8739900 | |
| D |
| Distilled Medianot edited since 2015 | Golden Lane, Temple Bar | distilledmedia.ie | +353 1 4218700 | |
| E |
| E-graphicsnot edited since 2019 | Grove Road, Portobello | | | |
| Etsy Ireland UC | 1 Le Pole Square, Ship Street Great, Temple Bar | etsy.com | | |
| F |
| Facebook IrelandMeta | East Road, East Wall | | | |
| FCR Medianot edited since 2020 | Stoneybatter, no street on record | fcrmedia.ie | +353 1 618 8000 | |
| Foxit | 5 Ormond Quay Upper, Temple Bar | foxit.com | | |
| G |
| Google Irelandnot edited since 2018 | Arkle Road, Ringsend | | | |
| I |
| Information Systems Services (Trinity College) | 200-201 Pearse Street, Temple Bar | tcd.ie | | |
| ISS Helpdesk Officenot edited since 2021 | Glasnevin, no street on record | | | |
| J |
| Journal Media Limitednot edited since 2015 | Golden Lane, Temple Bar | thejournal.ie | | |
| K |
| Kooomo | 25 Eden Quay, Temple Bar | kooomo.com | +353 1 969 5288 | |
| M |
| Meta | Block J Serpentine Avenue, Ballsbridge | meta.com | | |
| Mindfulness Centrenot edited since 2019 | Pembroke Street Lower, Temple Bar | mindfulness.ie | +353 1 6394955 | |
| MongoDB | Shelbourne Road, Ballsbridge | mongodb.com | +353 1 9014654 | |
| Motherboard | 78 Grove Road, Harold's Cross | motherboard.ie | +353 1 4975562 | |
| N |
| Nettl | Stephen Street Lower, Temple Bar | nettl.com | +353 1 405 4775 | |
| O |
| OpenApp Limited | 189 Parnell Street, Temple Bar | openapp.ie | +353 1 872 9331 | |
| OpenJaw Technologies | 1-3 Ormond Quay Upper, Temple Bar | openjawtech.com | +353 1 525 7100 | |
| Q |
| Qualcomnot edited since 2019 | 1-2 Liberty Lane, Portobello | qualcom.ie | +353 1 475 0202 | |
| R |
| Riot Games | 7-11 Sir John Rogerson's Quay, International Financial Services Centre | riotgames.com | | |
| S |
| Salesforce | North Wall Quay, North Wall | salesforce.com | +353 1 4403 500 | |
| Shutterstock | 7-11 Sir John Rogerson's Quay, International Financial Services Centre | shutterstock.com | | |
| Silvercloud Health | 1 Stephen Street Upper, Temple Bar | silvercloudhealth.com | +353 1 554 9771 | |
| T |
| The Anchorage | 17-19 Sir John Rogerson's Quay, International Financial Services Centre | | | |
| The Website Shopnot edited since 2019 | 9-11 Harold's Cross Road, Harold's Cross | thewebsiteshop.ie | +353 1 5065597 | |
| W |
| WBA Technology Center | 40 Molesworth Street, Temple Bar | walgreensbootsalliance.com | | |
| webfactorynot edited since 2014 | 7 Bachelors Walk, Temple Bar | webfactory.ie | +353 1 6789992 | |
| Wildcard Software Ltd. | Rathmines Park, Rathmines | wildcard.ie | +353 1 5253126 | |
| Wondr | 9a Wicklow Street, Temple Bar | wondr.io | +353 1 559 4270 | |
| Wrikenot edited since 2021 | 1 Grand Parade, Rathmines | wrike.com | | |
| X |
| X | Fenian Street, International Financial Services Centre | about.twitter.com social page | | |
| Z |
| Zorin OS Technologies Ireland | Taylor's Lane, The Liberties | | | |