Sediul Central, POLONIA
Strada Adama Mickiewicza No 29, Etaj 18
40-085 Katowice
Telefon: +48 798 411 084
E-mail: info@gfs-eng.com
BULGARIA
9 Pozitano str., entr.B, floor 5, office 16
1000 Sofia
E-mail: info@gfs-eng.com
ROMANIA
5 Mendeleev Str., floor 4, office n. 1.6
Sector 1, Bucharest
E-mail: info@gfs-eng.com
PORTUGALIA
Rua Dr. Francisco Torres 37, 1o Andar, 4750-160 Barcelos
E-mail: info@gfs-eng.com