# Environmental services companies headquartered in Brittany Tamtam tracks 48 environmental services companies headquartered in Brittany. This list ranks all of them by number of employees on LinkedIn, led by Rennes Ville et Métropole, Brest Métropole and Groupe PIGEON. Their median headcount is 54. Half of them were founded in 2011 or later. The most common headquarters are Brest (6), Rennes (6) and Vannes (3). These companies are primarily public sector bodies and environmental service providers located across Brittany. The list includes large metropolitan administrations such as Rennes Ville et Métropole, which fosters economic and urban development, and Brest Métropole, an urban community anchoring a region of 90 towns. Key environmental players like EMO specialize in water and sludge treatment, while Labocéa offers multidisciplinary analysis services in health, environment, and agri-food sectors. GUYOT environnement focuses on promoting a circular economy through waste collection and recycling. A significant pattern within this selection is the prevalence of government administration entities, indicating a strong public sector presence in Brittany's largest employers. These organizations, often founded in the 21st century like Saint-Brieuc Armor Agglomération and Dinan Agglomération, are dedicated to regional development, public service management, and supporting local businesses. 🇫🇷 Brittany · 48 companies · Updated Nov 11, 2026 | # | Company | Industry | Headquarters | Employees | Founded | |---|---|---|---|---|---| | 1 | [Rennes Ville et Métropole](https://www.tamtam.ai/c/rennes-ville-et-metropole) (rennes.fr)
Fosters economic, urban development, attracting talent and students. Provides diverse public services through 5300 agents, focusing on quality of life and professional growth. | Government Administration | 🇫🇷 Rennes | 1,828 | | | 2 | [Brest Métropole](https://www.tamtam.ai/c/brest-metropole) (brest.fr)
Brest métropole océane is a voluntary urban community in western Brittany, anchoring a region with 90 towns and 300,000 residents | Government Administration | 🇫🇷 Brest | 1,072 | 1973 | | 3 | [Groupe PIGEON](https://www.tamtam.ai/c/groupe-pigeon) (groupe-pigeon.com)
Independent family group involved in territorial development in the western region, focusing on urban planning and infrastructure projects | Construction | 🇫🇷 Louvigné-de-Bais | 526 | 1929 | | 4 | [EMO](https://www.tamtam.ai/c/emo) (emo-france.com)
Global provider of customized water and sludge treatment solutions for wastewater, drinking water, and industrial effluents with a dedicated in-house laboratory and worldwide distribution network | Industrial Machinery Manufacturing | 🇫🇷 Noyal-sur-Vilaine | 463 | | | 5 | [Saint-Brieuc Armor Agglomération](https://www.tamtam.ai/c/saint-brieuc-armor-agglomeration) (saintbrieuc-armor-agglo.bzh)
In the heart of Northern Brittany, Saint-Brieuc Armor Agglomération fosters innovation and research, offering financial aid and support to local businesses for economic growth | Government Administration | 🇫🇷 Saint-Brieuc | 452 | 2017 | | 6 | [Cap l'Orient agglomération](https://www.tamtam.ai/c/cap-l-orient-agglomeration) (lorient-agglo.bzh)
Group of 19 communes collaborating to create a dynamic, ambitious, and sustainable territory focused on community and quality of life. | Government Administration | 🇫🇷 Lorient | 334 | | | 7 | [Labocéa](https://www.tamtam.ai/c/labocea) (labocea.fr)
A multidisciplinary team in Brittany providing analysis services in health, environment, and agri-food sectors, offering sampling, laboratory testing, advice, and expertise with transparency and reliability | Environmental Services | 🇫🇷 Ploufragan | 313 | 2015 | | 8 | [GUYOT environnement](https://www.tamtam.ai/c/guyot-environnement) (guyotenvironnement.com)
A leading environmental company with 400 employees dedicated to promoting a circular economy by collecting, sorting, and recycling waste materials efficiently | Environmental Services | 🇫🇷 Brest | 212 | 1983 | | 9 | [Dinan Agglomération](https://www.tamtam.ai/c/dinan-agglomeration) (dinan-agglomeration.fr)
Management and development of a large intercommunal area in Northern Brittany, covering 65 communes and serving over 100,000 residents. | Government Administration | 🇫🇷 Dinan | 208 | 2017 | | 10 | [Golfe du Morbihan - Vannes agglomération](https://www.tamtam.ai/c/golfe-du-morbihan-vannes-agglomeration) (golfedumorbihan-vannesagglomeration.bzh)
Coordination and management of public services and development across 34 municipalities formed by merging three local communities. | Government Administration | 🇫🇷 Vannes | 207 | 2017 | | 11 | [Auray Quiberon Terre Atlantique](https://www.tamtam.ai/c/auray-quiberon-terre-atlantique) (auray-quiberon.fr)
Support sustainable development of urban, rural, and coastal areas, economic growth, tourism, environment, housing, mobility, culture, and social services. | Government Administration | 🇫🇷 Auray | 150 | 2014 | | 12 | [SAINT-MALO AGGLOMÉRATION (Coopération intercommunale)](https://www.tamtam.ai/c/saint-malo-agglomeration-cooperation-intercommunale) (stmalo-agglomeration.fr)
Coordination of economic growth, tourism promotion, urban planning, social housing, transport, environmental protection, waste management, and sports facilities development. | Government Relations Services | 🇫🇷 Cancale | 147 | 2001 | | 13 | [SPL EAU DU BASSIN RENNAIS](https://www.tamtam.ai/c/spl-eau-du-bassin-rennais) (eaudubassinrennais.fr)
Public local company managing water production and distribution for 470,000 residents across multiple municipalities in Rennes area with 140 employees. | Water, Waste, Steam, and Air Conditioning Services | 🇫🇷 Rennes | 143 | 2013 | | 14 | [CEDRE](https://www.tamtam.ai/c/cedre) (cedre.fr)
Non-profit association specializing in research, documentation, and expertise on accidental water pollution and response methods for marine and inland waters. | Environmental Services | 🇫🇷 Brest | 134 | 1979 | | 15 | [Les Gars des Eaux](https://www.tamtam.ai/c/les-gars-des-eaux) (lesgarsdeseaux.com)
A national expert in non-destructive leak detection and network detection, offering services for water leaks and infrastructure diagnostics | Environmental Services | 🇫🇷 Nivillac | 125 | 1993 | | 16 | [SARC Société ARmoricaine de Canalisations](https://www.tamtam.ai/c/sarc-societe-armoricaine-de-canalisations) (sarcouest.fr)
Specializes in potable water supply and sewer pipeline installation with over 40 years of expertise and strong commitment to sustainability. | Utility System Construction | 🇫🇷 Le Rheu | 123 | 1977 | | 17 | [Premier Tech Eau et Environnement - France](https://www.tamtam.ai/c/premier-tech-eau-et-environnement-france) (premiertechaqua.com)
Specializes in water treatment, non-collective sanitation, water storage, and rainwater recovery with innovative, ready-to-install solutions for various clients. | Manufacturing | 🇫🇷 Châteauneuf-d'Ille-et-Vilaine | 105 | | | 18 | [Tribord](https://www.tamtam.ai/c/tribord-brest) (e-tribord.com)
An insertion company specializing in environmental sector and waste management, operating in various territories in Brittany, Loire-Atlantique, and Manche | Environmental Services | 🇫🇷 Brest | 77 | 1990 | | 19 | [OCENE International](https://www.tamtam.ai/c/ocene-international) (ocene-industrie.fr)
Specialist in water treatment, hygiene, and environmental solutions for agriculture, industry, and communities nationally and internationally, focusing on performance, innovation, and sustainability | Automation Machinery Manufacturing | 🇫🇷 Louvigné-du-Désert | 70 | 1976 | | 20 | [SPHERE-THEAUD](https://www.tamtam.ai/c/sphere-theaud) (sphere-theaud.fr)
From waste collection to recycling, we provide sustainable solutions for communities, businesses, and individuals while preserving our teams and natural resources | Environmental Services | 🇫🇷 Saint Meen Le Grand - Avranches | 61 | 1974 | | 21 | [COLLECTIVITE EAU DU BASSIN RENNAIS](https://www.tamtam.ai/c/collectivite-eau-du-bassin-rennais) (eaudubassinrennais-collectivite.fr)
An utilities company in Rennes, France, focused on water management in the region of Bassin Rennais | Utilities | 🇫🇷 Rennes | 57 | 2015 | | 22 | [AQUATIRIS](https://www.tamtam.ai/c/aquatiris) (aquatiris.com)
An international network specializing in eco-friendly domestic waste water treatment systems, designing and creating reed beds without septic tanks | Water, Waste, Steam, and Air Conditioning Services | 🇫🇷 Bréal-sous-Montfort | 56 | 2007 | | 23 | [Dervenn](https://www.tamtam.ai/c/dervenn) (dervenn.com)
A pioneering community of companies founded in 2002, specializing in ecological engineering and biodiversity preservation with a national reach in France | Environmental Services | 🇫🇷 Betton | 55 | 2002 | | 24 | [HPC Envirotec SAS](https://www.tamtam.ai/c/hpc-envirotec-sas) (hpc.ag)
An environmental engineering company specializing in land recycling, consultancy, and infrastructure planning, part of a global alliance offering environmental services worldwide | Environmental Services | 🇫🇷 Saint-Erblon | 54 | 1993 | | 25 | [GES - Conseil indépendant en Environnement](https://www.tamtam.ai/c/ges-conseil-independant-en-environnement) (ges-sa.fr)
Specialized in water, environmental, and industrial research, GES provides consulting services to industries, local communities, and agricultural operations, with offices throughout France | Environmental Services | 🇫🇷 Noyal-sur-Vilaine | 53 | 1984 | | 26 | [Anticimex France](https://www.tamtam.ai/c/anticimex-france) (anticimex.fr)
Global provider of innovative, eco-friendly pest control solutions focused on preventive measures to ensure safer, healthier environments worldwide. | Environmental Services | 🇫🇷 Saint-Malo | 53 | 2018 | | 27 | [FORAFRANCE](https://www.tamtam.ai/c/forafrance) (forafrance.fr)
Specialists in water treatment for industries, providing tailored solutions from design to maintenance worldwide, focusing on ecological and economic realities | Environmental Services | 🇫🇷 La Mézière | 52 | 2005 | | 28 | [Veolia Recyclage & Valorisation des Déchets - Bretagne](https://www.tamtam.ai/c/veolia-recyclage-and-valorisation-des-dechets-bretagne) (veolia.fr)
The company transforms waste into new resources, following a circular economy approach to tackle the scarcity of natural resources | Renewables & Environment | 🇫🇷 Rennes | 50 | | | 29 | [La Feuille d'Érable](https://www.tamtam.ai/c/la-feuille-d-erable) (feuille-erable.fr)
Collection, sorting, and recycling of business waste including paper, cardboard, office waste, and other materials across Brittany region. | Waste Collection | 🇫🇷 Rennes | 43 | 1983 | | 30 | [EcoTree France](https://www.tamtam.ai/c/ecotree-france) (ecotree.green)
European leader in Nature-based Solutions, EcoTree enables individuals and businesses to support ecosystem projects for environmental protection and restoration in Europe | Environmental Services | 🇫🇷 Brest | 40 | 2014 | | 31 | [Groupe Ressources T \| Envie Bretagne](https://www.tamtam.ai/c/groupe-ressources-t-envie-bretagne) (ressources-t.org)
Provides inclusive employment through specialized recycling, reconditioning, transport, and waste management services supporting social and economic inclusion in Brittany. | Human Resources Services | 🇫🇷 Rennes | 40 | 1994 | | 32 | [Susty Wastes Solutions](https://www.tamtam.ai/c/susty-wastes-solutions) (sustywastes.com)
Designing, building, and upgrading waste sorting centers for recycling purposes | Industrial Machinery Manufacturing | 🇫🇷 Vannes | 35 | 2020 | | 33 | [COMMUNAUTE DE COMMUNES ARC SUD BRETAGNE](https://www.tamtam.ai/c/communaute-de-communes-arc-sud-bretagne) (arc-sud-bretagne.fr)
Government administration company in Bretagne, France managing the community and services of the ARC SUD region | Government Administration | 🇫🇷 Muzillac | 30 | 2011 | | 34 | [Energy &+](https://www.tamtam.ai/c/energy-and) (energy.bzh)
Specialized in energy solutions from biomass, offering design, installation, operation, maintenance, and optimization services for industrial, collective, and agricultural markets | Environmental Services | 🇫🇷 Saint-Nolff | 29 | 2006 | | 35 | [Rainéa](https://www.tamtam.ai/c/rainea) (rainea.fr)
A network specializing in water treatment, focusing on individual sanitation, rainwater recovery, and domestic water treatment in France Providing tailored solutions and commitments 🌧💧🇫🇷 | Construction | 🇫🇷 Thorigné-Fouillard | 28 | 2021 | | 36 | [Recycleurs Bretons](https://www.tamtam.ai/c/recycleurs-bretons) (recycleurs-bretons.fr)
Environmental services company specializing in recycling based in France, focused on promoting sustainability and eco-friendly practices in the region | Environmental Services | 🇫🇷 Guipavas | 17 | | | 37 | [Pandobac](https://www.tamtam.ai/c/pandobac) (pandobac.com)
Offers reusable packaging solutions to businesses and communities, replacing single-use food containers, saving costs, space, and promoting eco-friendly logistics. | Environmental Services | 🇫🇷 Rungis | 16 | 2018 | | 38 | [MéGO!](https://www.tamtam.ai/c/mego) (me-go.fr)
A European pioneer since 2005 in recycling cigarette butts in France, specializing in urban furniture Services include audit, sales, collection, recycling, and traceability | Wholesale Recyclable Materials | 🇫🇷 St Divy | 12 | 2017 | | 39 | [DBO France](https://www.tamtam.ai/c/dbo-france) (dbofrance.com)
DBO France distributes System O)) wastewater treatment solutions in France, promoting environmentally friendly products that are proven, low maintenance, and adaptable | Environmental Services | 🇫🇷 Brécé | 11 | 2012 | | 40 | [Maitréa](https://www.tamtam.ai/c/maitrea) (maitrea.fr)
A key player in energy transition, offering waste treatment, local material valorization, and decarbonized energy production for businesses and communities Seeking ambitious individuals | Services for Renewable Energy | 🇫🇷 Brest | 11 | 2016 | | 41 | [Enerpro Biogaz](https://www.tamtam.ai/c/enerpro-biogaz) (enerpro-biogaz.fr)
Enerpro Biogaz specializes in decentralized methanization to convert organic waste into biogas and natural fertilizer at agricultural and agro-industrial sites Visit their website for more information | Biomass Electric Power Generation | 🇫🇷 Vern-sur-Seiche | 10 | 2015 | | 42 | [REGIE MALOUINE DE L'EAU](https://www.tamtam.ai/c/regie-malouine-de-l-eau) (rme.saint-malo.fr)
A French utilities company based in St Malo, specializing in water management services | Utilities | 🇫🇷 Saint-Malo | 9 | 2012 | | 43 | [SURPLUS AUTO](https://www.tamtam.ai/c/surplus-auto) (surplusauto.fr)
Automotive recycling center founded in 1989, focused on long-term stability and a strategic approach for sustainable business activities | Motor Vehicle Manufacturing | 🇫🇷 Saint-Renan | 9 | 1989 | | 44 | [SOCIETE HYDRO'ENVIRONNEMENT](https://www.tamtam.ai/c/societe-hydro-environnement) (hydro-environnement.fr)
Innovative company specializing in water treatment solutions for industries, municipalities, and businesses, focusing on water resource preservation and environmental protection | Industrial Machinery Manufacturing | 🇫🇷 Quimper | 7 | 2014 | | 45 | [Susty Wastes Solutions Energy](https://www.tamtam.ai/c/susty-wastes-solutions-energy) (sustywastes.com)
The company specializes in designing, constructing, and setting up waste treatment facilities for energy production through composting, anaerobic digestion, and biomass conversion | Industrial Machinery Manufacturing | 🇫🇷 Vannes | 7 | 2023 | | 46 | [TELLUS Environment](https://www.tamtam.ai/c/tellus-environment) (tellus-environment.com)
A company founded in 2012 offering innovative ground and underground 3D mapping services for various markets, focusing on security, environmental impact, and cost savings | Environmental Services | 🇫🇷 Bruz | 6 | 2012 | | 47 | [SLC-Société Lannionnaise de Canalisations](https://www.tamtam.ai/c/slc-societe-lannionnaise-de-canalisations) (slc-reseaux.bzh)
Located near Lannion in Côtes d'Armor, the company specializes in water and sanitation services for public and private clients in the area | Construction | 🇫🇷 Ploubezre | 5 | 1983 | | 48 | [Le Rheu Environment Company](https://www.tamtam.ai/c/le-rheu-environment-company) (lrenvironment.com)
A specialized waste management and recycling company in France, offering services in paper, plastic, electronic waste handling, and metals recycling | Environmental Services | 🇫🇷 Le Rheu | 2 | 2006 | ## How this list is built 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 11, 2026. ## More company lists in Brittany - [The largest companies in Brittany](https://www.tamtam.ai/l/largest-companies-brittany) (3,058) - [Companies with in-house R&D in Brittany](https://www.tamtam.ai/l/r-and-d-companies-brittany) (366) - [Retail chains in Brittany](https://www.tamtam.ai/l/retail-chains-brittany) (344) - [Manufacturers in Brittany](https://www.tamtam.ai/l/manufacturers-brittany) (307) - [Multinational companies in Brittany](https://www.tamtam.ai/l/multinational-companies-brittany) (264) - [Family-owned companies in Brittany](https://www.tamtam.ai/l/family-owned-companies-brittany) (201) - [Food and Beverage Manufacturing companies in Brittany](https://www.tamtam.ai/l/food-and-beverage-manufacturing-companies-brittany) (182) - [Professional services firms in Brittany](https://www.tamtam.ai/l/professional-services-firms-brittany) (167) - [Public sector organisations in Brittany](https://www.tamtam.ai/l/public-sector-organisations-brittany) (165) - [Hardware manufacturers in Brittany](https://www.tamtam.ai/l/hardware-companies-brittany) (148) - [Distributors and wholesalers in Brittany](https://www.tamtam.ai/l/distributors-and-wholesalers-brittany) (145) - [Software Development companies in Brittany](https://www.tamtam.ai/l/software-development-companies-brittany) (132) - [Food and beverage companies in Brittany](https://www.tamtam.ai/l/food-and-beverage-companies-brittany) (130) - [SaaS companies in Brittany](https://www.tamtam.ai/l/saas-companies-brittany) (128) - [Critical infrastructure operators in Brittany](https://www.tamtam.ai/l/critical-infrastructure-operators-brittany) (120) - [Consumer goods companies in Brittany](https://www.tamtam.ai/l/consumer-goods-companies-brittany) (115) - [IT services companies in Brittany](https://www.tamtam.ai/l/it-services-companies-brittany) (113) - [Education providers in Brittany](https://www.tamtam.ai/l/education-companies-brittany) (112) - [Agriculture companies in Brittany](https://www.tamtam.ai/l/agriculture-companies-brittany) (108) - [Retail companies in Brittany](https://www.tamtam.ai/l/retail-companies-brittany) (107) - [IT Services and IT Consulting companies in Brittany](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-brittany) (101) - [Consulting firms in Brittany](https://www.tamtam.ai/l/consulting-firms-brittany) (99) - [Healthcare providers in Brittany](https://www.tamtam.ai/l/healthcare-providers-brittany) (97) - [Contract manufacturers in Brittany](https://www.tamtam.ai/l/contract-manufacturers-brittany) (93) ## The same list elsewhere in France - [Environmental services companies in Île-de-France](https://www.tamtam.ai/l/environmental-services-companies-ile-de-france) (336) - [Environmental services companies in Auvergne-Rhône-Alpes](https://www.tamtam.ai/l/environmental-services-companies-auvergne-rhone-alpes) (173) - [Environmental services companies in Provence-Alpes-Côte d'Azur](https://www.tamtam.ai/l/environmental-services-companies-provence-alpes-cote-dazur) (108) - [Environmental services companies in Grand Est](https://www.tamtam.ai/l/environmental-services-companies-grand-est) (100) - [Environmental services companies in Nouvelle-Aquitaine](https://www.tamtam.ai/l/environmental-services-companies-nouvelle-aquitaine) (92) - [Environmental services companies in Hauts-de-France](https://www.tamtam.ai/l/environmental-services-companies-hauts-de-france) (87) - [Environmental services companies in Occitanie](https://www.tamtam.ai/l/environmental-services-companies-occitanie) (78) - [Environmental services companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/environmental-services-companies-hauts-de-seine) (70) - [Environmental services companies in the Rhône department](https://www.tamtam.ai/l/environmental-services-companies-rhone) (64) - [Environmental services companies in the Bouches-du-Rhône department](https://www.tamtam.ai/l/environmental-services-companies-bouches-du-rhone) (60) - [Environmental services companies in Pays de la Loire](https://www.tamtam.ai/l/environmental-services-companies-pays-de-la-loire) (59) - [Environmental services companies in the Nord department](https://www.tamtam.ai/l/environmental-services-companies-nord) (47) - [Environmental services companies in Normandy](https://www.tamtam.ai/l/environmental-services-companies-normandy) (45) - [Environmental services companies in Bourgogne-Franche-Comté](https://www.tamtam.ai/l/environmental-services-companies-bourgogne-franche-comte) (38) - [Environmental services companies in the Yvelines department](https://www.tamtam.ai/l/environmental-services-companies-yvelines) (35) - [Environmental services companies in the Seine-Saint-Denis department](https://www.tamtam.ai/l/environmental-services-companies-seine-saint-denis) (34) - [Environmental services companies in the Gironde department](https://www.tamtam.ai/l/environmental-services-companies-gironde) (32) - [Environmental services companies in the Essonne department](https://www.tamtam.ai/l/environmental-services-companies-essonne) (27) - [Environmental services companies in the Val-de-Marne department](https://www.tamtam.ai/l/environmental-services-companies-val-de-marne) (26) - [Environmental services companies in the Isère department](https://www.tamtam.ai/l/environmental-services-companies-isere) (25) - [Environmental services companies in Paris](https://www.tamtam.ai/l/environmental-services-companies-paris-france) (87) --- Source: https://www.tamtam.ai/l/environmental-services-companies-brittany