Prestressing steels
The following manufacturers and companies have currently been attributed ASQPE certificates :
- CB TRAFILATI ACCIAI S.p.A.
- NEDRI SPANSTAAL BV
- SIDERURGICA LATINA MARTIN S.p.A.
- TRAFILERIE MERIDIONALI S.p.A
- TYCSA PSC S.L.
- D&D DROTARU
- FAPRICELA S.A.
- S.I.W. SIAM INDUSTRIAL WIRE Co Ltd
- SOCITREL S.A.
- MAKLADA
- PRETENORTE
- SOLETANCHE FREYSSINET
- WBO ITALCABLES
- ASLAK (Maadaniyah)
- GALCORE – Gallega de Cordones y Alambres S.L.
- USHA MARTIN LIMITED
- ELSEWEDY