| Fészek Részek Kft. | G pavilon 504A | |
| Garden SPA S.r.o. (SK) | G pavilon 301B | |
| Gastro-Line Hungary Kft. | G pavilon 203B1 | |
 | GBC Solino s.r.o. (CZ) | D pavilon 204L | |
 | Geberit Műszaki Tanácsadó és Kereskedelmi Kft. | A pavilon 202A | |
 | Gege Hungary Kft. | G pavilon 201CA | |
 | GEMINI KFT. | G pavilon 504DA | |
| GlassRock Insulation company S.A.E (EG) | A pavilon 312D | |
| Glázer Attila ev. | G pavilon 504A | |
| Glück Kft. | A pavilon 203B | |
| Gold Company Group Kft. | G pavilon 202F1 | |
| Golen Power Technology Co., Ltd. (CN) | D pavilon 203A | |
 | Grand Union Kft. | A pavilon 304J | |
| Grand-Remont Kft. | A pavilon 206F | |
 | GRAND-ÁCS Kft. | A pavilon 308H | |
 | Graubunden Metal Srl (RO) | G pavilon 205B | |
| Green Powerlink Technology Corporate Kft. | A pavilon 101B | |
| GreenMIG Hungary Kft. | A pavilon 206K | |
 | Greensun Solar Energy Tech Co., Limited (CN) | D pavilon 101B | |
 | Greentechnic Hungary Kft. | A pavilon 104A | |
 | Greto Polska Sp. z.o.o. (PL) | D pavilon 203D | |
 | Grundfos South East Europe Kft. | A pavilon 202A | |
| Grupa Topex Sp. zo.o.Sp.k. (PL) | A pavilon 105D | |
 | Gruppo Bardelli (IT) | A pavilon 204E | |
| Gábor-Bau Trade Kft. | A pavilon 308K | |
 | GépDepo.hu Kft. | A pavilon 107C | |
| H4Y Készházak | A pavilon 211H | |
 | HACO s.r.o. (CZ) | A pavilon 302D | |
 | HAM-BAU Építőipari és Kereskedelmi Kft. | D pavilon 201D | |
| Hanary Porcelán | G pavilon 504A | |
| HANNABI | G pavilon 504A | |
| Hansgrohe Szaniterkereskedő Kft. | A pavilon 202A | |
 | Helios ventilátorok - Kamleithner Budapest Kft. | A pavilon 302A, 302B | |
 | HEPA Magyar Exportfejlesztési Ügynökség Nonprofit Zrt. (HEPA Hungarian Export Promotion Agency) | A pavilon 111C | |
| Herczku-Kályhás Kft. | G pavilon 204E | |
| Herz Armatúra Hungária Kft. | A pavilon 303A | |
| HEXONIC SP z.o.o. (PL) | A pavilon 102B | |
| Hikoki Power Tools Hungary Kft. | A pavilon 207H | |
| Hintafotel.hu Kft. | A szabad terület PSZ6 | |
| Holland Pázsit Kft. | G pavilon 301D | |
 | Home Spa Wellness Kft. | G pavilon 103A | |
| HORA | G pavilon 504A | |
| Horizont Global Kft. | A pavilon 310B | |
 | HRP Europe Kft. | A pavilon 105H | |
 | HSG Consulting Kft. | G pavilon 403B | |
| Huawei Technologies Hungary Kft. | D pavilon 202A, 202B, 202C | |
 | HUIYANG ZHAOPENG, PLASTIC BUILDING, MATERIALS&METAL CO., LTD. (CN) | A pavilon 306N | |
 | Hung-Art Kft. | G pavilon 104B | |
 | Hunova Built Kft. | A pavilon 313B | |
| Hunova Built Kft. | D pavilon 102B | |