Ballast Nedam Dredging
www.ballast-nedam.nl 
Founded in 1969 through the merger of Amsterdamsche Ballast Maatschappij and Nederlandse Aannemingsmaatschappij. Dredging activities were merged with Hollandsche Aanneming Maatschappij in 2001 to form Ballast HAM Dredging which was subsequently acquired by Van Oord in 2003.
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