Employer:
Regional Board of Roads in Oleśnica

Localization:
Oleśnica

Employer:
MPWiK Sp z o. o. / BPBK

Localization:
?

Employer:
Sita Polska Sp z o.o. Pracownia projektowa Bonus

Localization:
?

Employer:
ZDIK Wałbrzych - Wałbrzych Board of Roads and Public Transport

Localization:
Wałbrzych

Employer:
PTC

Localization:
Wrocław

Employer:
Inarko

Localization:
Wałbrzych