Laurent Dumas

Emerige SAS provides building restoration and development services. The firm offers its services to owners and managers of heritage and cultural buildings, museums, houses, tourist places and monuments. The company was founded by Laurent Dumas in 1989 and is headquartered in Paris, France.

Masathis SAS is an investment holding French company founded in 2006. The private company is based in Paris, France. The company operates as an investment holding company. and has subsidiaries in France.

Piasa SA provides auction services. It sells antiquities, Asian and contemporary arts, Islamic arts, silver and jewelry, ceramics, prints, arms and militaria, old master drawings and paintings, letters, manuscripts et autographs, books, furniture, fashion and old toys, photography products, and wine. The company was founded in 1996 and is headquartered in Paris, France.

ERMEWA Group SA engages in the rental of industrial wagons and tank containers. It also provides construction, maintenance and repair services. The company was founded in 1956 and is headquartered in Geneva, Switzerland.