topographical survey and control services, land services for studies and works for the development and modernization of the national road network on the territory of the Hauts-De-France region
Expert surveyor services relating to land ownership in the Hauts-De-France regionland services for studies and works on the development and modernization of the national road network in the territories of the Hauts-De-France region
surveying and topographic control services in the departments of Somme (80) and Pas-De-Calais (62)land services for studies and works on the development and modernization of the national road network in the territories of the Hauts-De-France region
survey and topographic control services in the departments of Nord (59) and Aisne (02) north of the junction between the A26 and the Rn2land services for studies and works on the development and modernization of the national road network in the territories of the Hauts-De-France region
Survey and topographic control services in the departments of Oise (60) and Aisne (02) south of the junction between the A26 and the Rn2land services for studies and works on the development and modernization of the national road network in the territories of the Hauts-De-France region