During these twenty-five years Pro-Engineering ltd had successful cooperation with many companies such as:

INVESTORS:

• Public enterprise "Roads of Serbia"
• Public enterprise "Serbian railways "
• The Highway Institute Serbia A.D.
• "Srbijaput" a.d.
• AD "Novi Pazar-Put"
• COWI A/S Denmark a.d.
• Feromont oprema

INVESTORS AND PARTNERS:

• “CIP”Institute ,
• Mostprojekt a.d.
• “Mostogradnja” etc...

BUSINESS ASSOCIATES:

• ”Asmec consultants”
• “Filos inženjering“
• “IMS” Institute ,