iiSBE has a worldwide network of professionals in sustainable built environment and 9 national chapters.

Links to the national chapters:

• Canada - iiSBE Canada
• Czech Republic - Czech sustainable building society - iiSBE Czech
• Dominican Republic - Dominican Republic Green Building Council (DRGBC)
• Israeli - iiSBE Israel
• Italy - iiSBE Italia
• Portugal - iiSBE Portugal
• South Korea
• Spain - GBC España
• Taiwan - Taiwan Society of Sustainable Built Environment