Locations and subsidiaries

17 countries
more than 100 locations
60 subsidiaries

(Siège social)
Parc d’Activités de Laurade


GUINTOLI is the historical and main subsidiary of NGE for the VRD activity and earthworks. Thanks to its regional entities (BARAZER TP, BROUTIN TP, MARMIN TP, MULLER TP, TP LYAUDET, and TPRN), it is able to work on construction sites of all sizes, from general earthworks to VRD works.

Drawing on the experience gained over several decades on the major motorway and LGV construction sites, GUINTOLI operates throughout the country as a specialist in land movements.

  • Urban infrastructures & earthworks Urban infrastructures & earthworks
ZA de Restavy
Rue Jean Brito
56 240 PLOUAY

BARAZER is the specialized regional earthworks subsidiary of NGE, a French multi-category building and public works group.

BARAZER, a local player serving its territory, carries out earthworks of all types (from general earthworks to urban Vrds), intended for public and private customers.

Whether it is for urban or road projects, BARAZER approaches each project with the same know-how: its expertise and knowledge of the territory allow it to provide tailor-made solutions to serve the client and his work.

The synergies developed with the NGE Regional Directorates offer BARAZER the opportunity to position itself on more technical projects.

  • Urban infrastructures & earthworks Urban infrastructures & earthworks
Lieu-dit La Périère

BERENGIER DEPOLLUTION is an expert in the field of pyrotechnic depollution and asbestos removal.

  • Urban infrastructures & earthworks Urban infrastructures & earthworks
(Siège social)
Parc d’Activités de Laurade

We provide a comprehensive service for water supply and wastewater drainage networks. We are expert in all the techniques involved in the collection, piping and treatment of wastewater, the replacement and interconnection of water abstraction pipelines and associated hydraulic structures, drinking water treatment, and the installation and fit-out of dry networks, especially those for electricity supply.


We are also well known for our expertise in optical fibre network engineering to facilitate the rollout of FttH (Fibre-to-the-Home) to areas not already served. Bridging the digital divide is a live and substantial social and regional development issue, and we are very proud to be part of the solution. One of our flagship projects in this market is a public initiative network (PIN) for the French departments of Haut and Bas-Rhin; the first of its kind on such a scale, it serves 700 separate communities.
We are involved in the design, construction and operation of two major public initiative networks in France, totalling 1,500,000 connections; a figure that represents 10% of all the PINs included in the French Superfast Broadband Plan.

  • Pipelines & other underground networks Pipelines & other underground networks
3 allée de la Seine

NGE INFRANET, with the support of EHTP and LACIS, has been created exclusively to pilot projects in the field of fibre optic deployment, and is responsible for the design of the telecom networks and the construction of the necessary infrastructures in air and underground.

The installation, the connection of optical equipment, as well as the maintenance of networks can also be ensured by his care. With her expertise, she is one of the major players contributing to the implementation of the France Tres Haut Débit plan. Its customers are telecom operators and communities.

  • Pipelines & other underground networks Pipelines & other underground networks
(Siège social)
Parc d’Activités de Laurade

NGE GC, the Group civil engineering subsidiary, works on technically complex projects whose advanced nature requires skills to be applied in synergy: transport infrastructures (road and rail engineered structures), industrial infrastructures (wastewater treatment plants, water reservoirs, hydropower plants, etc.) and functional infrastructures.

NGE GC also has a strong reputation for its underground work on major excavations, and for the repair and safety upgrading of road, rail and water system structures.

NGE GC has a presence in all NGE MULTI-EXPERTISE regions, in the form of Civil Engineering branches and within the Major Projects department.

  • Civil engineering Civil engineering
(Siège social)
Le Griffolet
19270 USSAC

Road construction specialist SIORAT builds and maintains roads, motorways, airports, multimodal transport hubs, urban road systems, etc. Working in conjunction with fellow NGE subsidiary AGILIS, alternatives such as concrete road surfaces can also be offered.

  • Road building & road equipment Road building & road equipment
ZI Mi-Plaine
29/31 rue des Tâches
France Visit the website

NGE FONDATIONS – a subsidiary of the NGE Group, which employs 14,000 people – is a contracting company specialising in geotechnical techniques, from soil mechanics to rock mechanics. NGE FONDATIONS provides support for all your foundation, reinforcement and special work projects.

With an operational presence throughout France, we provide our services in rural and urban areas, and in mountain and river environments.
Our organisational structure is designed to give us a regional presence that responds effectively to the needs of private-sector and public-sector customers, from private individuals to major infrastructure management operators. We play an active role in all types of national major project. These include the Grand Paris infrastructure plan, for which our teams are already working on several major projects.

For international projects, NGE FONDATIONS provides the full range of its expertise worldwide through NGE CONTRACTING, another NGE subsidiary company.

NGE FONDATIONS has 30 years of experience and multi-technical expertise: soil improvement, deep foundations, supporting structures, soil injection, reinforcement, difficult access contracting and civil engineering for specific applications.


  • 780 employees
  • 18 branches throughout France
  • 1 subsidiary: ROCS on the island of La Réunion
  • An in-house R&D Innovation department
  • €200 m in annual revenue for 2019
  • €80 m invested in an in-house plant and equipment fleet
  • Geotechnical solutions Geotechnical solutions
(Siège social)
Chemin du Corps de Garde - CS 80035
Visit the website

TSO brings its expertise in railway works for the construction, renewal and maintenance of infrastructure. With its various subsidiaries, it is also involved in the electrification and reworking of catenary lines, topography and the development of railway software, as well as the maintenance and reconstruction of locomotives and locomotives.

Focused on technological innovation, TSO participates in the development and testing of the most modern railway techniques: introduction of concrete ties, rail welding, elastic fasteners, continuous welded track, mechanized track and equipment renewal suites, track without ballast…

In France and internationally, TSO has signed several major projects with high-speed lines as well as conventional network lines.

  • Rail infrastructures Rail infrastructures
(Siège social)
Z.A. de Mernel - BP 7
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NGE BÂTIMENT is a building company covering the three main stages of a project: design, realization and operation. The plurality of its know-how and technical mastery enable it to position itself on national projects.

NGE BÂTIMENT is involved in the construction, maintenance and renovation of works of mass construction, in general enterprise or in the design-realization of all types of buildings: industrial buildings, offices and commercial equipment, housing, public facilities.

  • Building construction Building construction