Didier Kling

Viparis Holding hosts events. The company is headquartered in Paris, France.

Cep Developpement is a French company that specializes in organizing fairs, trade shows, and congresses. The private company was founded in 2007 and is based in Paris, France.

Île-de-France de Mobilités designs, organizes, and finances the public transportation used by residents across the greater Paris region. It also funds modernization projects and infrastructure upgrades to roads and railways. The company is headquartered in Paris, France.