AFAQ 9001 certified, DARRAS ET JOUANIN has been a major player in construction and civil engineering in the Ile-de-France region since 1914.

The civil engineering sector mainly involves contracts relating to environmental and public health projects. The largest public and private customers use the company's services in order to create waste water and drinking water networks, and to carry out associated civil engineering works. These projects are carried out in the framework of specific calls for tender as well as through one-off maintenance contracts to order.

The Construction sector mainly works with public customers (ministries, schools, property owners, etc.) on specific, medium-sized contracts and one-off maintenance contracts to order.

DARRAS ET JOUANIN also have a pile-driving department - SOFOR - which intervenes anywhere in France for pile-driving and tubing operations.
All of these works are carried out by teams which are managed by skilled operatives with extensive experience, allied to the company's know-how.