MPWiK Warszawa
Creotech
Ferchau Poland
RADMOR S.A.
TP Polska
HR score
Pronar sp. z o.o.
Klimas Wkręt-met
UNIS GROUP
BUDIMEX S.A.
Polskie Koleje Państwowe S.A.
AB Industry
Manpower
Metro Warszawskie
Sii
ZUT INDUSTRIAL
InPost
Amplus Sp. z o.o.
NG Engineering Group
Instytut Techniki Budowlanej
PM Group
ArcelorMittal Poland
PORR S.A.
SECO/WARWICK S.A.
Link Group
emagine
Levelite P.S.A.
Fideltronik
HERTZ NEW TECHNOLOGIES sp. z o.o.
NEXT GENERATION ENGINEERING POLAND SP. Z O.O.
NewU sp z o.o.
ROCKWOOL GLOBAL BUSINESS SERVICE CENTER
NEWCOLD
INALCA POLAND Sp. z o.o.
Orange Polska
AGENCJA ZATRUDNIENIA KS SERVICE S.A
Frapol
Ventix Sp. z o.o.
Grupa KDM sp. z o.o.
Roltec Sp. z o.o.
Hyundai Engineering Poland Sp. z o.o.
MIRBUD S.A.
Spółka ERBUD Industry Centrum
Alior Bank SA
ERBUD S.A.
ROCKWOOL Global Business Service
Level Work