Locations and subsidiaries

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.

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.

NGE Contracting, a 100% subsidiary of NGE Group, is an innovating and international player in publics works.

NGE Contracting’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 Contracting 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 Contracting 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 Contracting relies on NGE ressources and expertises to design and implement projects requiring the mobilization of multiple skills in public works.

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.

NGE Contracting, a 100% subsidiary of NGE Group, is an innovating and international player in publics works.

NGE Contracting’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 Contracting 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 Contracting 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 Contracting relies on NGE ressources and expertises to design and implement projects requiring the mobilization of multiple skills in public works.

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.

NGE Contracting, a 100% subsidiary of NGE Group, is an innovating and international player in publics works.

NGE Contracting’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 Contracting 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 Contracting 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 Contracting relies on NGE ressources and expertises to design and implement projects requiring the mobilization of multiple skills in public works.

NGE CONTRACTING is the international and multi-business subsidiary of NGE.

The entity based in Canada is dedicated to business development activities within the country.

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.