√ 1 Manager / Chargé d’Affaires
       √ 1 In charge of Development



       √ 1 Electrical Engineer
       √ 2 in Charge of Electrical Surveying
       √ 1 Projector specialized in electrical networks
       √ 4 CAD Drafters
       √ 3 Detection Technicians
       √ 2 Topographers

External technicians regularly intervene during detection operations for assisting the worksite foreman and for providing specific services such as opening, closing, sealing and detarring manholes and others.