"Chicago Bridge & Iron". Companies History - The biggest companies in the world (بالإنجليزية الأمريكية). 29 Jun 2013. Archived from the original on 2023-03-25. Retrieved 2020-07-20.
"Chicago Bridge & Iron". Companies History - The biggest companies in the world (بالإنجليزية الأمريكية). 29 Jun 2013. Archived from the original on 2023-03-25. Retrieved 2020-07-20.