Hasan Abu Shalbak have formed in the last few years affiliations and sister companies (subsidiaries) and associates throughout the region through which it exports its technical knowledge into areas and regions, there are:
- Montgomery Watson Harza, “MWH”
Based in USA, deals with water and the environment - CH2MHILL
Based in USA, deals with construction management projects - DHV Consultants
Based in Netherlands - Dr. Dahlem
Luxemburg - Hydroconsiel, PLC
Gradagne, France - LEMA (Ondio, MWH, Hasan Abu Shalbak)
- WS Atkens
United Kingdon, London