Renaud Besancon

Duke Street LLP (Duke Street) is a private equity firm founded in 1988 by Edmund Turell. The firm is headquartered in London, the United Kingdom.

Cegelec SA provides services in electrical engineering, climate control and global maintenance. It provides its solutions in areas such as energy, electricity, automation, instrumentation and control, information and communication technologies, HVAC mechanics, maintenance and services. The company was founded in 2012 and is headquartered in Brussels, Belgium.

Alstom Power NV specializes in generating electricity. It is headquartered in Brussels, Belgium.

Cegelec SASU provides engineering and technological services. The firm offers assembly and maintenance services in the fields of instrumentation, ventilation systems, security control, radiologic control, electrical systems, control systems, and analyzers, as well as maintenance services for chemical laboratory and weather tower equipment. It provides its services in the areas of HV electrical installation, utility fluids, instrumentation and control systems, white room installation, and computerized pipeline management systems. The company was founded in 1989 and is headquartered in Paris, France.

Regourd Aviation SAS is a holding company, which engages in the rental and leasing of air transport equipment. The company was founded by Alain Regourd in 1976 and is headquartered in Paris, France.