| Kundenname | Stadt | Land |
|---|---|---|
| GEFA-Leasing GmbH | Wuppertal | Germany |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | Niedernhall-Waldzimmern | Germany |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | Ingelfingen-Criesbach | Germany |
| GEMÜ Holding GmbH & Co. KG | Ingelfingen | Germany |
| Genel Sistem Dizayni A.S. | Maltepe/Istanbul | Turkey |
| General Electric Energy Services Europe | Bourogne | France |
| Gerhard Koke KG | Eschborn | Germany |
| Gesellschaft für Ingenieur- Dienstleistungen | Marl | Germany |
| Gesellschaft für Ingenieurdienste mbH | Königsbrück | Germany |
| GESTRA AG | Bremen | Germany |
| GETEC PARK.EMMEN | Emmen | Netherlands |
| GICON - Großmann Ingenieur Consult GmbH | Dresden | Germany |
| GIG Karasek GmbH | Attnang-Puchheim | Austria |
| GIG Karasek GmbH | Gloggnitz-Stuppach | Austria |
| Glaunach GmbH | Klagenfurt | Austria |
| GMVT mbH | Burgau | Germany |
| Goetze KG Armaturen | Ludwigsburg | Germany |
| Goodwin International Limited | Stoke-on-Trent | United Kingdom |
| Griesemann Engineering GmbH & Co. KG | Wesseling | Germany |
| Grillo-Werke AG | Frankfurt am Main | Germany |
| Grupa LOTOS S.A. | Gdansk | Poland |
| Grutesen (privat) | Brüggen | Germany |
| Gujarat Alkalies And Chemicals Limited | Dahej | India |
| Gujarat Narmada Valley Fertilizers & Chemicals Ltd. | Bharuch | India |
| Gujarat State Fertilizers and Chemicals Limited | Vadodara | India |