Complex sentence: In 1968 the company merged with the electrical engineering company SPIE to form Spie Batignolles, after being briefly owned by the AMEC group (2003) the civil engineering construction activities were split and sold.
Split into simpler sentences: In 1968 the company merged with the electrical engineering company SPIE to form Spie Batignolles. After being briefly owned by the AMEC group (2003) the civil engineering construction activities were split and sold.