| Gustavo Daniel Presman | Buenos Aires |
| Gustavo Hernán Troisi | Buenos Aires |
| GV Sistemas, S.R.L. | Buenos Aires |
| H.J.M. INGENIERÍA | Buenos Aires |
| HARDkey | Buenos Aires |
| Hardtec S.R.L. | Santa Fe |
| Helius Information Technology | Buenos Aires |
| HELPDESK Soluciones Informática | Buenos Aires |
| Henry Tecnologia, S.A.S. | Buenos Aires |
| Herac Modern Solutions | Buenos Aires |
| Hernan Lo Russo | Buenos Aires |
| Hewlett Packard Argentina | Buenos Aires |
| Hexacom S.A. | Buenos Aires |
| Hexacta | Buenos Aires |
| HG Studio | Buenos Aires |
| HGDI InfoAR Soluciones | Buenos Aires |
| Hipernet S.A. | Buenos Aires |
| HIT Cowork | Buenos Aires |
| Hitech Solutions | Buenos Aires |
| HK - IT Experts | Córdoba |
| HM-NET Recuperacion de datos | Buenos Aires |
| Holistor | Santa Fe |
| Horizonte Informática Educativa S.r.l. | Buenos Aires |
| HostBA.com | Buenos Aires |
| Hosting Bahia | Buenos Aires |
| Hostmania | Buenos Aires |
| House Internet S.R.L. | Buenos Aires |
| Hoztear | Buenos Aires |
| HUELLA Software | Buenos Aires |
| Huenei IT Services | Buenos Aires |
| Husky Software | Santa Fe |
| Hynet IT Solutions | Buenos Aires |
| Hypersys | Buenos Aires |
| I&C Internet y Comunicaciones S.A. | Buenos Aires |
| I-techno | Buenos Aires |
| IAE Business School | Buenos Aires |
| IASA Soluciones Informáticas | Buenos Aires |
| IbisDev | Buenos Aires |
| iCAP | Buenos Aires |
| Icetec, Ltda | Buenos Aires |
| id4you | Buenos Aires |
| Ideah Diseño | Córdoba |
| IG Servicios Integrales S.R.L. | Buenos Aires |
| iLatina Business Services S.A. | Buenos Aires |
| iMaat S.A.S. | Buenos Aires |
| Image Campus S.A. | Buenos Aires |
| Imagen Zero y Metafora | Buenos Aires |
| Imágenes Digitales | Buenos Aires |
| Imagenesis | Buenos Aires |
| IMD S.R.L. | Buenos Aires |