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BORUSAN MANNESMANN

İstanbul
+90 212 393 58 00

www.borusanmannesmann.com
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ÇOLAKOĞLU METALURJİ

İstanbul
444 26 27

www.colakoglu.com.tr
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MASNA PLASTİK

Manisa
+90 236 314 37 08

masna.com.tr
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MİLFİT ÇELİK ÇEKME BORU

Kocaeli
0262 751 53 60

www.milfit.com.tr
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POLİBOR

İstanbul
+90 212 671 0265

www.polibor.com.tr
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SANBOR

İzmir
444 78 51

www.sanbor.com.tr
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TEKBOR

İstanbul
+90 412 456 6052

www.tekbor.com.tr
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TOSÇELİK PROFİL

Hatay
+90 326 656 2890

www.toscelik.com.tr