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| Centrala Zaopatrzenia Hutnictwa S.A. |
| Fabryka Samochodów Osobowych S.A. |
| ExxonMobil Poland Sp. z o.o. |
| GfK Polonia Sp. z o.o. |
| Panasonic Polska sp. z o.o. |
| PKP Energetyka Sp. Z o.o. |
| PTK Centertel |
KET exam is recognised at various stages of a job career.
Check recognition of other exams: PET, FCE, CAE, CPE, BEC, IELTS
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