Sii Sp. z o.o. · Bydgoszcz
Sii Sp. z o.o. · Poznań
Sii Sp. z o.o. · Toruń
Sii Sp. z o.o. · Lublin
Sii Sp. z o.o. · Łódź
Vistulo (for a major N. American bank) · pl
Verita HR · Kraków
