GT Infras Sarthe

What GT Infras Sarthe does

GT Infras Sarthe is a French regional infrastructure services company headquartered in Le Mans that constructs, renovates and maintains utility distribution networks exclusively within the Sarthe department. The company's core offering is organized into three integrated service lines: dry networks (Réseaux secs) covering gas and electricity distribution, wet networks (Réseaux humides) covering potable water and sanitation, and an in-house engineering studies department (Bureau d'études) handling project design, CAD drafting, topography, geodetection and georeferencing. Technical capabilities include deep trench excavation up to 6 meters with multiple shoring systems, live (under-pressure) gas network construction, trenchless lead service replacement, and Panda compaction testing. Operations are supported by conventional civil-engineering software (Eras, Atlas, Camelia, Geovisual under CARTO 200) and tablet-based construction management, with no disclosed AI/ML capability.

The company serves three customer segments — public sector clients (collectivités: Ville du Mans, Conseil Départemental de la Sarthe, SMAEP de la Région Mancelle), national utility operators (Enedis, GRDF) and private businesses and individuals — via direct project-based engagement, public procurement and recurring multi-year maintenance tranches. Revenue mechanics are quote-based project pricing on one-time construction contracts and multi-year framework agreements, with no standard pricing tiers publicly disclosed. The company is a wholly-owned subsidiary of GARCZYNSKI TRAPLOIR SAS (capital €2,963,000, Le Mans), itself operating within the VINCI Energies group's Pôle Infras Ouest Réunion, and is led by director Jean-Louis CARON. QSE certification (ISO 9001, ISO 14001, OHSAS 18001) has been maintained since 2014.

Name

GT Infras Sarthe

Legal name

GARCZYNSKI TRAPLOIR SAS

Website

https://infras-sarthe.garczynski-traploir.fr

Company type

Private

Founded year

1919

Operating status

Operating

Headcount range

1–10 employees

Short description

GT Infras Sarthe constructs, renovates and maintains gas, electricity, potable water and sanitation networks within the Sarthe department of France, serving public authorities, national utility operators (Enedis, GRDF), businesses and individuals via project-based contracts under its parent VINCI Energies.

Ownership category

akta.pro rank

Product category

Utility Infrastructure Construction Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Architectural, Engineering, and Related Services (5413), Water Supply and Irrigation Systems (221310)

SIC

Water Supply (4941), Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Construction Management & Delivery (EPCM/CMAR/Design-Build Oversight) (EUANALAE)

akta.pro secondary industry

Dewatering & Groundwater Control (Wellpoints, Deep Wells, Cutoff Systems) (IMAFAOAF)

Keywords

• Utility network construction
• Gas pipeline installation
• Electrical network services
• Water network construction
• Infrastructure engineering studies

Headquarters

HQ city

Le Mans

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Infrastructure Construction Services: Project-based construction and renovation services for utility networks (gas, electricity, water, sanitation) for public and private clients in the Sarthe department. Revenue is generated through public procurement contracts and private construction projects.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

GT Infras Sarthe designs, constructs, renovates, and maintains dry networks (gas and electricity distribution) and wet networks (potable water and sanitation) for public and private clients in the Sarthe department. The company operates an integrated engineering studies office (Bureau d'études) that handles project design, CAD drafting, topography, georeferencing, and geodetection. Services cover underground burial of overhead lines, aerial electrical construction, gas branch connections, water/sanitation pipe laying up to 6 meters depth, and emergency response for utility operators.

Product overview

GT Infras Sarthe is an infrastructure services company (not a software/technology product company) offering a unified portfolio of construction and engineering services for utility networks. The core offering consists of three integrated service lines: (1) Réseaux secs (dry networks) encompassing gas and electricity distribution, (2) Réseaux humides (wet networks) covering potable water and sanitation systems, and (3) Bureau d'études (engineering studies) providing project design, CAD drafting, topography, and georeferencing. These services are delivered as an integrated offering, with the engineering studies department supporting all project work from design through construction completion.

Differentiator

Problem solved

Functional benefit

Products and services

• Réseaux secs (Dry Networks) Construction, renovation, and maintenance of electricity and gas distribution networks, including both underground and overhead lines for high voltage (HTA 20kV) and low voltage (BTA 240/410V) systems. Serves public-sector clients, utility operators, and private developers in the Sarthe department.
• Réseaux humides (Wet Networks) Construction and maintenance of water supply (potable water) and sanitation networks (wastewater and stormwater), including pipe laying, connection work, and network renewal up to 6 meters depth. Serves public-sector water authorities and private developers in the Sarthe department.
• Bureau d'études (Engineering Studies) Integrated engineering studies department providing project studies, CAD drafting, topography, geodetection, georeferencing, and regulatory compliance using Eras, Atlas, Camelia, and Geovisual software. Supports all field construction work from design through completion for internal and external clients.
• Gaz (Gas Networks) Specialized gas network construction and maintenance including welding, pressure testing, pipe installation (PE 40-160mm diameter), branch connections, and industrial safety work. Serves GRDF and private clients in the Sarthe department.
• Électricité (Electricity Networks) Electricity network services including underground burial of overhead lines, aerial line construction (concrete and wood poles), transformer station installation, public lighting, and emergency storm-damage support. Serves Enedis and public-sector clients in the Sarthe department.
• Eau potable (Potable Water) Drinking water network construction and renewal including pipe laying (steel, cast iron, PVC, PEHD), valve and hydrant installation, pressure testing, disinfection, and lead service line replacement without excavation. Serves public water authorities (e.g., SMAEP de la Région Mancelle) and private clients in the Sarthe department.
• Assainissement (Sanitation) Wastewater and stormwater drainage network construction and renewal including excavation, shoring systems, pipe installation up to 6 meters depth in cast iron, concrete, PVC, or PRV materials, and pumping station work. Serves public-sector clients including Ville du Mans for tram line infrastructure in the Sarthe department.

Quantifiable outcome

• 200 projects completed per year
• +2 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Three partnerships are on record, tiered core and minor.

• GARCZYNSKI TRAPLOIRcoreOthers · 1 January 1919Parent company of GT Infras Sarthe. GARCZYNSKI TRAPLOIR is a SAS (simplified joint-stock company) with capital of 2,963,000 euros, registered in Le Mans. The company was founded in 1919 by Messieurs GARCZYNSKI and TRAPLOIR for rural electrification of the Sarthe department. GT Infras Sarthe is one of the operating entities under this parent company structure.
• VINCI EnergiescoreOthersGT Infras Sarthe is part of the VINCI Energies group, specifically within the 'Pôle Infras Ouest Réunion'. VINCI Energies is a major international group specializing in energy and digital infrastructure. The group provides access to the VINCI Energies Academy for employee training and development, and fosters inter-company collaboration for enriching career paths. VINCI Energies promotes a 'zero accident' safety objective across all its subsidiaries.
• VINCI Energies AcademyminorStrategic or Co-development PartnerTraining partnership providing GT Infras Sarthe employees access to professional development programs and skills training through the VINCI Energies Academy. Supports the company's active training policy and human capital development.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• INEO (EQUANS): French electrical and energy networks contractor within EQUANS, active in overhead/underground electrical works, public lighting and energy infrastructure. Comparable in dry-network and electrical DSO work, with a national scope and a wider services portfolio.
• SPIE France: A large multi-technical services group active in French electrical networks, gas networks and urban infrastructure. Comparable in core activity (utility network construction and maintenance) but operates at national scale and across a much broader services portfolio.
• Bouygues Energies & Services: Energy and digital infrastructure arm of Bouygues, with French operations in electrical networks, public lighting and urban infrastructure. Overlaps with GT Infras Sarthe on electrical network construction and DSO relationships, but at materially greater scale.
• Eiffage Énergie Systèmes: A major French electrical networks and energy services contractor, part of Eiffage. Comparable in core capability on electrical and gas networks, public lighting and infrastructure, but with a much larger national footprint and broader energy services scope.
• Cegelec (VINCI Energies): A VINCI Energies sister entity delivering electrical, HVAC and energy infrastructure projects in France. Overlaps with GT Infras Sarthe on electrical and gas network capabilities and on DSO/collectivité clients, but operates nationally across a much broader services portfolio.

Direct peers

• Sogetrel: French specialist in energy and telecom network deployment, including overhead/underground electrical works, public lighting and FTTH. Closely matches GT Infras Sarthe's dry-network offering and DSO/government client base, though at a larger scale.
• Firalp: French network infrastructure group (electricity, gas, water, fiber) serving DSO and public-sector clients across multiple regions. Closely comparable in service mix and customer base to GT Infras Sarthe, and is similar in being an aggregation of regional entities.
• Sobeca: A VINCI Energies sister entity specialized in electrical, gas and telecom network construction in France. Highly comparable to GT Infras Sarthe in service mix (dry networks, wet networks, design office) and customer base (DSOs and collectivités), but operates at national scale.
• Sade (Veolia group): French specialist contractor in water and wastewater network construction, renewal and maintenance. Closely comparable to GT Infras Sarthe's wet-network offering (potable water and sanitation), with similar public-sector and water authority clients but a national footprint.

Regional players

• Stureno (STURNO): French regional network infrastructure contractor active in electrical, gas and telecom networks for DSO and public-sector clients. Similar in service mix to GT Infras Sarthe, but focused on a different regional geography and at a smaller scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/gt-infras-sarthe

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GT Infras Sarthe