Research consultancy in acoustics.

Mainly specialised in high-pressure cleaners, ALTO is one of the branches of the world leader in professional cleaning equipment: NILFISK-ADVANCE.

Thanks to an experience and unique expertise acquired since its creation in 1963, Busch proposes the widest range of solutions and service for vacuum and overpressure applications in the market.

European leader in the market of industrial and residential door opening and docking systems.

National federation for distributors, renters and repairers of building, public works and handling equipment.

Manufacturer of electrical equipment and fuse boards.

European leader in scaffolding.

Major player for measuring equipment in the building sector and industry.

The general public brand of the world leader in professional cleaning equipment: NILFISK-ADVANCE.

With more than one century of experience, NILFISK-ADVANCE is the world leader in professional cleaning equipment.

Vinci Energie’s industrial and tertiary maintenance brand

Development of river transport in the Paris region for professionals and the general public.

Specialist in the transmission of on-line alarms made secure by GSM.

International leader for auction sales of equipment for the building and public works sector and industry.

Producer of sensors and sensor solutions for industrial applications.

National union for crane drivers.