| Kundenname | Stadt | Land |
|---|---|---|
| Ingenieurbüro H. Kölsch | Köln | Germany |
| Ingenieurbüro Kiefer & Voss GmbH | Erlangen | Germany |
| Ingenieurbüro UTEK GmbH | Dortmund | Germany |
| innogy SE | Essen | Germany |
| Innogy SE Corporate Procurement | Dortmund | Germany |
| Innospec Deutschland GmbH | Herne | Germany |
| Innospec Leuna GmbH | Leuna | Germany |
| innovatherm GmbH+Co.KG | Butzbach | Germany |
| INOES Feluy SA | Feluy | Belgium |
| INOMATEK GMBH | Burgkirchen | Germany |
| Inor Process AB | Malmö | Sweden |
| INOVYN Deutschland GmbH | Rheinberg | Germany |
| INOVYN Manufacturing Belgium NV | Antwerpen | Belgium |
| Inplana Industrieplanung GmbH | Neustadt /Donau | Germany |
| Inplana Industrieplanung GmbH | Neustadt /Donau | Germany |
| Institut f. Energie-, System-, Material- & Umwelttechnik e.V | Bochum | Germany |
| Institute de Regulation ed D'automation | Arles | France |
| Institute for Plasma Research | Gandhinagar | India |
| INTECH ENGINEERS s. r. o. | Bratislava | Slovakia |
| Integral Engineering und Umwelttechnik GmbH | Wien | Austria |
| Intergraph (Deutschland) GmbH | Ismaning | Germany |
| Intergraph Israel LTD | Kiryat-Motzkin | Israel |
| International West Technology Transfer Company | Tehran | |
| Intertek Deutschland GmbH | Kaufbeuren | Germany |
| INTRA-AUTOMATION GmbH | Grevenbroich | Germany |