The environmental services sector in Pays de la Loire features a mix of public administration bodies and private companies. Nantes Métropole, with 2,524 employees, focuses on local development and news. Séché Environnement specializes in circular economy and waste management, while ITGA provides regulatory compliance services for building, health, and safety. Néolithe transforms non-recyclable waste into construction materials, and ODYSSEE Environnement focuses on sustainable water management for industrial processes. Tri'n'Collect offers custom sorting and recycling of construction waste.
A notable pattern is the strong presence of public entities alongside private firms, indicating a collaborative approach to environmental management in the region. Several companies, such as Néolithe and Tri'n'Collect, founded in 2019, highlight recent developments in waste transformation and recycling solutions.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Nantes Métropolelinktr.ee
This organization in Nantes and its metropolitan area aims to create a new development model, embracing solidarity, collaboration, creativity, and openness They provide updates on local news |
2,524 | |||
| 2 |
Séché Environnementgroupe-seche.com
Séché Environnement is a leading independent environmental services operator focusing on circular economy, waste management, and global pollution solutions with sustainable development values |
831 | |||
| 3 | 668 | ||||
| 4 |
ADX Groupeadx-groupe.com
Specializes in mandatory real estate diagnostics, asbestos detection, environmental analysis, BIM services, and asbestos risk training for various properties and infrastructures. |
406 | |||
| 5 |
Inovalysinovalys.fr
Inovalys is a consolidation of 6 public laboratories specializing in food safety, animal health, agriculture, environment, offering a wide range of accredited services |
268 | |||
| 6 |
DEMOSTENepc-demosten.fr
Company intervenes on all types of industrial, urban, tertiary, and civil engineering projects across France, public and private, leveraging significant human and material resources. |
194 | |||
| 7 |
CapAtlantique La Baule-Guérande Agglocap-atlantique.fr
A local government organization managing 15 communes with 75,000 residents, focusing on preserving natural resources and serving the community in Loire-Atlantique and Morbihan |
175 | |||
| 8 |
Terres de Montaiguterresdemontaigu.fr
Nine municipalities collaborating to boost business growth and provide quality services and facilities to over 50,000 residents in the region. |
168 | |||
| 9 |
Groupe Valléegroupe-vallee.fr
Company specializing in secondary building work, operating nationally and internationally, with over 75 years of experience and significant revenue. |
145 | |||
| 10 | 130 | ||||
| 11 |
CAPOCCIcapocci.fr
Public works company specializes in earthmoving, demolition, roadworks, and foundations. Company also manages polluted land and recycles materials, ensuring project completion with quality and safety. |
129 | |||
| 12 |
Néolitheneolithe.fr
Transforms non-recyclable, non-hazardous waste into construction materials, specifically aggregates for concrete, reducing landfill waste and CO2 emissions through a circular alternative. |
113 | |||
| 13 |
ODYSSEE Environnement | Water Treatmentodyssee-environnement.fr
A company specializing in sustainable water management for industrial processes, focusing on ethical and environmentally friendly solutions, including consulting, research, development, and distribution |
112 | |||
| 14 |
VENDEE EAUvendee-eau.fr
Organizes production and distribution of potable water for 19 communities in Vendée, managing public water service for 60 years. |
105 | |||
| 15 |
Tri'n'Collecttri-n-collect.fr
custom sorting, collection, and recycling of construction waste, ensuring regulatory compliance, environmental respect, and reduced labor for site workers |
80 | |||
| 16 |
ENVIE MAINEenvie-maine.com
The company specializes in renovating and selling affordable large appliances, as well as recycling electronic waste, aiming to help disadvantaged populations and promote sustainability |
70 | |||
| 17 |
Sud Vendée Littoralcc-sudvendeelittoral.fr
Public intercommunal entity uniting 44 municipalities for coordinated territorial planning, economic development, and environmental management in the region. |
70 | |||
| 18 |
Prolaser Grouppro-laser.com
Collection and remanufacturing of inkjet cartridges with advanced quality control, innovative logistics, e-business solutions, and healthcare product supply. |
69 | |||
| 19 |
Communauté de Communes du Pays de Château-Gontierpaysdechateaugontier.fr
A center of innovation and community in the heart of the Grand Ouest, offering a vibrant mix of urban and rural living, economic opportunities, cultural amenities, and social services |
68 | |||
| 20 |
Groupe Landaisgroupelandais.com
A company specializing in comprehensive public works services, including road construction, urban development, landscaping, and environmental impact management in western France |
67 | |||
| 21 |
Groupe LAURE Transports et Logistiquegroupelaure.fr
Family-owned transport and truck rental company since 1904, offering services in construction, industry, food, and recycling sectors nationwide Passionate about transportation and employee well-being |
66 | |||
| 22 |
Groupe Hervéhervegroupe.fr
Family-owned company specializing in aggregates, concrete, public works, recycling, and decorative materials with regional reputation and strong local commitment. |
64 | |||
| 23 |
Communauté de communes Sud Estuairecc-sudestuaire.fr
A community located on the Atlantic coast near Nantes and St-Nazaire, focusing on sustainable development, family support, and preserving natural resources |
62 | |||
| 24 |
ACCES REAGISacces-reagis.org
A socially responsible learning company helping individuals far from employment access job opportunities through training and support |
57 | |||
| 25 |
Groupe Merceronmerceron.com
Specialized in marine and river infrastructure projects, the company offers services such as bank protection, dike construction, piling, dredging, and more |
56 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 | 55 | ||||
| 27 |
GROUPE SFgroupesf.fr
A human-sized company specializing in road transport and logistics, providing tailored solutions for regional, national, and European shipments with a focus on environmental sustainability |
54 | |||
| 28 |
Groupe Estillegroupe-estille.fr
social enterprise focused on employment creation, environmental respect, and improving human conditions through sustainable and impactful regional activities |
47 | |||
| 29 |
JOUSSEjousse-sa.fr
Specializing in water treatment, purification, and pumping installations for public entities and industrial clients, offering quality services for over 70 years |
45 | |||
| 30 | 40 | ||||
| 31 |
PVE Groupe PAPINpve.fr
Specialized in designing, constructing, and installing concrete structures for sanitation and purification purposes Services include wastewater treatment plants, pumping stations, and custom concrete works nationwide |
39 | |||
| 32 |
Groupe Charpentiergroupe-charpentier.fr
Specializes in public works including excavation, concrete, asbestos removal, water treatment, pumping, and specialized outdoor landscaping services. |
38 | |||
| 33 | 35 | ||||
| 34 |
FB PROCEDESfbprocedes.com
A leading manufacturer and supplier of Bar Screens for the waste water treatment industry, offering innovative, reliable solutions with 30 years of experience worldwide |
34 | |||
| 35 |
COCA Atlantiquecoca-atlantique.com
Since 1960, our company specializes in providing potable water and sanitation services to public and industrial clients in the Atlantic region |
33 | |||
| 36 |
ATLANTIQUE INDUSTRIEatlantiqueindustrie.fr
Provider of industrial services and solutions based in Ancenis-Saint-Géréon, operating for 28 years in the industry sector. |
31 | |||
| 37 |
ENVIE ANJOUenvieanjou.com
A social enterprise specializing in collecting, renovating, and selling electrical appliances while providing employment integration programs for marginalized individuals, with over 25 years of technical expertise and a significant after-sales and repair service |
30 | |||
| 38 |
Envie ERG Atlantiqueenvie-44.envie.org
A member of the Envie Federation, our company collects, repairs, and sells electrical appliances while promoting social inclusion and sustainable practices |
25 | |||
| 39 |
SEMOSIAsemosia.com
A diverse group specializing in metalwork, industrial machinery, water treatment, and wastewater solutions with a global presence and over 200 employees |
24 | |||
| 40 |
POLLENIZpolleniz.fr
An association formed from a merger of regional professional syndicates, focusing on plant health through prevention, monitoring, and control of harmful organisms |
24 | |||
| 41 | 23 | ||||
| 42 | 23 | ||||
| 43 |
VEOLIA RECYLAGE ET VALORISATION DES DECHETS - Siège Région CENTRE OUEST
A waste management company specializing in collecting, sorting, and recycling non-hazardous waste from public and industrial clients, employing 2700 workers across four territories |
21 | |||
| 44 |
COURANT
A family-owned construction company in Maine et Loire, France, offering ready-mix concrete, quarries, public works, and BTP waste management services with a focus on customer satisfaction |
21 | |||
| 45 |
Beemyphonebeemyphone.fr
Beemyphone gives a new life to smartphones, tablets, laptops, and connected devices by repairing, refurbishing, and recycling them in an eco-friendly approach |
15 | |||
| 46 |
VALDÉFISvaldefis.fr
A company focused on environmental progress through the treatment and recycling of plant materials, wood, and organic waste, from top to bottom |
14 | |||
| 47 |
Picoty Ouestpicoty.fr
Specialized in distributing petroleum products and AdBlue for individuals and businesses, also offering industrial waste collection and fuel storage solutions |
13 | |||
| 48 |
ECL - ECONETecl-econet.com
The company designs, rents, and sells water treatment systems for construction sites Their ECONET systems filter cement wash water, neutralizing pH with CO2 injection |
12 | |||
| 49 | 10 | ||||
| 50 |
AtmoTrackatmotrack.fr
AtmoTrack provides hyperlocal air quality data solutions through sensors and digital tools to help governments, cities, and businesses reduce polluting emissions |
7 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
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The same list elsewhere in France
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