1987
Rabot Dutilleul acquires Palm Promotion, a real estate development company.
1986
René Dutilleul retires but still keeps a hand in the business as Honorary Chairman.
1985
The Material Composites division and Betsinor Composites company are created.
1983
Jean-François Craye (engineering degree, ISEN) joins the company.
1981
The Real Estate Development division is created.
1978
Barthélémy Dutilleul, co-founder of Rabot Dutilleul, dies.
1975
The General Contractor division and Gerim company are created.
1971
Jean-Pierre Sternheim (engineering degree, IDN, Centrale Lille) and Jean-François Dutilleul (engineering degree, HEI), join the Group.