Locations and subsidiaries
17 countries
more than 100 locations
60 subsidiaries

56204 LA GACILLY Cedex
Tel. : +33 2 99 08 11 14
Created in the 1900s by the Le Chêne family and taken over in 1992 by Cardinal Edifice, Le Chêne Constructions enjoys a solid reputation on the Morbihan department and more broadly on the Great West. Proximity, flexibility and efficiency are the main assets of this building company.
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Building construction

Am Hardtwald 6-8
76275 Ettlingen
Germany
HRB 107691 Amtsgericht Saarbrücken
Allemagne Visit the website
The NGE subsidiary in Germany was founded in 2021. The company is based in Ettlingen, Baden-Württemberg. Its main clients are fibre optic network operators, municipalities and engineering offices. In Germany, NGE offers project financing, planning, civil engineering and installation of fibre optic networks as well as connection to homes.
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Pipelines & other underground networks

Côte d'Ivoire
NGE – Ivory Coast’s team demonstrate their expertise on a daily basis, notably by taking part in major local development projects: construction of dams, water and sewage systems, creation of highways or ring roads, widening works, creation of high-speed rail lines, runways for airports, ports, buildings, etc.
Depending on the needs, NGE can take charge of the project design, including on the most technical sites, or provide an expert look at the work entrusted to it.
In terms of financial engineering, NGE – Ivory Coast has the means and skills necessary to intervene on the projects financed, both for PPPs (Public Private Partnerships) and for concessions. Combining power and experience, NGE – Ivory Coast relies on NGE ressources and expertises to design and implement projects requiring the mobilization of multiple skills in public works.
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Geotechnical solutions
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Urban infrastructures & earthworks
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Rail infrastructures
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Road building & road equipment
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Civil engineering
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Pipelines & other underground networks

Tel. : +221 33 824 67 66
NGE – SENEGAL’s team demonstrate their expertise on a daily basis, notably by taking part in major local development projects: construction of dams, water and sewage systems, creation of highways or ring roads, widening works, creation of high-speed rail lines, runways for airports, ports, buildings, etc.
Depending on the needs, NGE – SENEGAL can take charge of the project design, including on the most technical sites, or provide an expert look at the work entrusted to it.
In terms of financial engineering, NGE – SENEGAL has the means and skills necessary to intervene on the projects financed, both for PPPs (Public Private Partnerships) and for concessions. Combining power and experience, NGE – SENEGAL relies on NGE ressources and expertises to design and implement projects requiring the mobilization of multiple skills in public works.
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Rail infrastructures
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Geotechnical solutions
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Urban infrastructures & earthworks
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Road building & road equipment
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Civil engineering
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Pipelines & other underground networks

Canada
NGE – CANADA is the international and multi-business subsidiary of NGE.
The entity based in Canada is dedicated to business development activities within the country.
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Building construction
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Pipelines & other underground networks
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Civil engineering
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Road building & road equipment
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Rail infrastructures
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Geotechnical solutions
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Urban infrastructures & earthworks

Tel. : +33 (0)3 89 23 03 29
Pontiggia SAS is an Alsatian public works company created in 1991 by Robert Lichtenberger.
It is above all a story of women and men whose quality and determination have allowed the company to grow steadily and continuously since its inception.
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Road building & road equipment

76600 Le Havre
France
NGE CONNECT is a new subsidiary company formed to take care of the design, rollout and maintenance of smart device networks, such as video surveillance, urban transport management, smart lighting and parking systems, and environmental monitoring systems. It is part of the Pipelines & Other Underground Networks business line.
Created out of our acquisition of S2F Network in Le Havre, whose core business is the development of smart device networks, to complement our expertise in optical fibre optics and power supply systems, NGE Connect will allow the Group to position itself in the market for the smart technologies that will be central to regional development going forward.
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Pipelines & other underground networks

75 009 Paris
France
Tel. : +33 1 44 80 09 10
The real estate development division of NGE is working alongside the territories to support developments in the real estate sector and offer a global response to the service of usage. This division is able to offer global solutions by bringing together the expertise of the Group’s three main businesses in construction, concessions and real estate development.

31470 FONSORBES, Midi-pyrénées
France
Tel. : +33 5 56 96 62 73
LACIS provides dedicated electrical installation services for all types of project.

Square Edouard VII
20 rue de Caumartin
75009 PARIS
France
Tel. : +33 1 44 80 09 10
Working through NGE Concessions, we step in where the Group’s centres of expertise are required to fund, design, construct, service and maintain infrastructures by setting up Public Private Partnerships in the form of concession contracts, public service outsourcing contracts and partnership agreements. We can act as consortium lead contractors or consortium partners.