Polish Challenge Fund 1st edition Airly Sp. z o.o. Gradis Sp. z o.o. SAULE S.A. Polish Challenge Fund 2nd edition Airly Sp. z o.o. Polish Challenge Fund 3rd edition Lichba Sp. z o.o. „MAKROTERM”, Agata i Krzysztof Wąchała – Spółka Jawna PROTE Technologie dla Środowiska Sp. z o.o. Vivende Sp. o.o.