| Kundenname | Stadt | Land | 
|---|---|---|
| HARBIN BINDA VALVE MANUFACTURE Co., LTD. | Harbin | China | 
| Harbin Electric Corporation co. | Harbin | China | 
| HARDWARE INFOGERANCE SAS | Nanterre | France | 
| Hasenjäger & Domeyer Metallverarbeitung-GmbH & Co. KG | Celle | Germany | 
| Hatch Associates LTD | Brisbane | Australia | 
| Hatch Associates LTD. | Mississauga | Canada | 
| Hatch Energy Ltd. | Calgary | Canada | 
| Hefei General Machinery Research Institute | HF | China | 
| Hefei Institute of Plasma Physics | China | |
| Henjes Metall- und Anlagenbau GmbH | Garbsen | Germany | 
| Henkel AG & Co. KGaA | Düsseldorf | Germany | 
| HERA Planung & techn. Revision GmbH | Marl | Germany | 
| Herberholz GmbH | Ennepetal | Germany | 
| Hermann C. Starck GmbH & Co KG | Laufenburg | Germany | 
| HEROSE GMBH Armaturen und Metalle | Bad Oldesloe | Germany | 
| Hexion GmbH | Iserlohn-Letmathe | Germany | 
| Hexion Specialty Chemicals Forest Products GmbH, | Leuna | Germany | 
| Hindustan Petroleum Corporation Limited | Visakhapatnam | India | 
| Hindustan Petroleum Corporation Ltd. | Mumbai | India | 
| HIT GmbH | Hamburg | Germany | 
| Hitachi Power Europe GmbH | Oberhausen | Germany | 
| Hoam ICT | Gwangmyeong-si | Republic of Korea | 
| Hochschule Bochum | Bochum | Germany | 
| Hochschule Fulda | Fulda | Germany | 
| Hochschule für angewandte Wissenschaften - | München | Germany |