| Kunde | Ort | Land | |
|---|---|---|---|
| Frankonia Eurobau | München | DE | |
| Frankonia Eurobau | Münster | DE | |
| Frankonia Eurobau | Hamburg | DE | |
| Frankonia Eurobau | Düsseldorf | DE | |
| Frankonia Eurobau | Nettetal | DE | |
| Franz Binder GesmbH | 6263 Fügen | AT | |
| Fraunhofer IAF Freiburg | Freiburg | DE | |
| Fraunhofer Institut IAO | Stuttgart | DE | |
| Fraunhofer Portugal Research Center | Porto | PT | |
| Freshfields Bruckhaus Deringer | Paris | FR | |
| Freyler Industriebau | Kenzingen | DE | |
| Fronius International GmbH | Wels | AT | |
| Gallery Hotel | Barcelona | ES | |
| Gavrilovic d.o.o | Petrinja (HR) | HR | |
| Gazprom | Moscow | RU | |
| Gazprom Bank | London | GB | |
| Generali | Warszawa | PL | |
| Generali | Zagreb | HR | |
| Generali Versicherungen AG | 1011 Wien | AT | |
| Generali zavarovalnica | Ljubljana | SI | |
| Gestador | Luxembourg | LU | |
| Givaudan | Dübendorf | CH | |
| Glandore | Dublin | IE | |
| Glaxo Smith Kline | London | GB | |
| GLD Invest | Kiev | UA | |
| Global One | Moscow | RU | |
| Global Security House | Kuwait | KW | |
| Goodman | London | GB | |
| Goodyear Epe | Kranj | SI | |
| GPA | 1030 Wien | AT | |
| Grawe Asigurari S.A. | Bucharest | RO | |
| Groupama | Lyon, Paris | FR | |
| Groupe Casino | Saint Etienne | FR | |
| Groupe Casino | Saint Etienne | FR | |
| Groupe Total Fina | Paris | FR | |
| Gulf Investment House | Aradia Al Senayea City | KW | |
| Haberkorn | 6922 Wolfurt | AT | |
| Hamburgisches Welt Wirtschafts Institut (HWWI) | Hamburg | DE | |
| Hameln rds | Bratislava | SK | |
| Handl Tyrol GmbH | 6551 Pians | AT | |
| Haniel | Shanghai | CN | |
| Hansa Treuhand | Hamburg | DE | |
| Harbour 360 | Bahrain | BH | |
| Haus Saalburg | Frankfurt | DE | |
| HBC Hamburg Bulk Carriers | Hamburg | DE | |
| Heidelberger Druckmaschinen | Wiesloch/ Heidelberg | DE | |
| Hella Jalousien | 9913 Abfaltersbach | AT | |
| Helmut-List-Halle | Graz | AT | |
| Helvetia Patria Versicherungen | Basel | CH | |
| Herbert Smith | Abu Dhabi | AE | |
| Herbert Smith | Paris | FR | |
| Herbert Smith - Woods Baggot | Dubai | AE | |
| Hermes Pharma GesmbH | Wien | AT | |
| HIT | Gorcia | SI | |
| Hochbauamt Stadt Zürich Einsatzzentrale KAPO |
Zürich | CH | |
| Hochfilzer Forst - Garten - Umwelt | Kundl | AT | |
| Hochtief Projektentwicklung | Essen, Hamburg | DE | |
| Hochtief Projektentwicklung | Düsseldorf | DE | |
| Hofer KG | 4642 Sattledt | AT | |
| Holcim | Zagreb | HR | |
| Honda Car Showroom | Dubai | AE | |
| Honeywell | Rolle | CH | |
| Howrey | Paris | FR | |
| HSBC | London | GB | |
| Hübner & Hübner | Wien | AT | |
| Hunton & Williams | London | GB | |
| Hutchison Telekom | Münster | DE | |
| HVB Bank Romania S.A. | Bucharest | RO | |
| HVG Kiadó Zrt. | Budapest | HU | |
| HYPO | Ljubljana | SI | |
| Hypo Alpe Adria Bank | Belgrad | RS | |
| Hypo Alpe Adria Bank | 9020 Klagenfurt | AT | |
| Hypo Alpe Adria Leasing | Belgrad | RS | |
| Hypo Group Alpe Adria | Zagreb | HR | |
| Hypo Group Alpe Adria | Belgrad | RS | |
| Hypo Tirol | 6020 Innsbruck | AT | |
| IBM Slovakia | Bratislava | SK | |
| IKB - Innsbrucker Kommunalbetriebe | 6020 Innsbruck | AT | |
| Ikogest | Luxembourg | LU | |
| Ilbau | Zagreb | HR | |
| Immorent | Zagreb | HR | |
| Infineon Technologies | 9500 Villach | AT | |
| Infrastrutture e gestioni spa | Pomezia (RM) | IT | |
| ING Bank | London | GB | |
| ING Barings Romania | Bucharest | RO | |
| Institute of Chartered Accountants | Milton Keynes | GB | |
| Institute of Chartered Accountants | London | GB | |
| Internorm | 4050 Traun | AT | |
| Internorm | Zagreb | HR | |
| Intersport Austria | 4600 Wels | AT | |
| Invensys | London | GB | |
| Invista, sàrl | Genf | CH | |
| Iris | Deventer | NL | |
| Irlandia Investment | Dublin | IE | |
| Iskratel | Kranj | SI | |
| ISoft | Manchester | GB | |
| ISTROKAPITAL | Bratislava | SK | |
| ITI Film Studio | Warszawa | PL | |
| ITV | London | GB | |
| Ivoclar | Naturns | IT |