Saint Dizier environment

What Saint Dizier environment does

Saint Dizier Environnement is a French industrial manufacturer specializing in water regulation and treatment equipment, founded in 1973/1974 and headquartered in Gondecourt (Hauts-de-France) with two manufacturing factories in France. The company operates across three generations of family ownership and sells a comprehensive physical product portfolio organized into pretreatment (grease separators GRECO/SAMBRE/SDGP and hydrocarbon separators IHDC/IHDCP), stormwater treatment (STOPPOL® source-based units, pollution decanters, lamellar settlers, UTEP® automated units), decentralized sanitation (O2FIX® biological fluidized bed treatment plants for 21-250 population equivalents, septic tanks, decloggers, screens), flow regulation (AUTOREG® structures, float and vortex flow regulators), basin equipment (CYMO® vacuum-flush rinsing systems, COALIX® washable 3D filters, skimmers), and network isolation (wall valves, check valves, fire traps). Underlying technologies combine mechanical separation, biological fluidized bed treatment, hydraulic flow control, and eco-designed reusable filtration, with proprietary designs trademarked across product lines and independently certified (NF certification for hydrocarbon separators up to TN 500 in 2016; IKT Laboratory certification for STOPPOL in 2013).

The company serves a diversified customer base spanning road and transport infrastructure (airports including Ajaccio, Marseille, Nice; ports including Brest, Le Havre, Boulogne-Calais; rail stations including Saint-Denis Pleyel; the Swiss A9 freeway), food service and catering, recycling facilities (notably AFM Recyclage / Groupe Derichebourg Environnement), ICPE-classified industrial sites, local authorities and municipalities, and semi-collective domestic wastewater users (hamlets, campsites, hotels). Revenue is generated through project-based hardware sales, custom design-build (conception-réalisation) services, hydraulic engineering, and rental of mobile depollution units, distributed via a direct commercial team, regional construction-materials distributors, and export channels. Pricing is quote-driven with no public standard pricing, supported by online sizing tools, project study forms, and recurring trade show presence (Pollutec France and Morocco, IFAT Munich, Cycl'eau, Carrefour des Gestions Locales de l'Eau). The company has no app, no digital platform, and no disclosed AI/ML capability; competitive advantage rests on regulatory certifications, proprietary mechanical and biological engineering know-how, and multi-decade project references in the French water infrastructure market.

Name

Saint Dizier environment

Legal name

Saint Dizier Environnement

Website

https://saintdizierenvironnement.eu

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

51–100 employees

Short description

French industrial manufacturer of water regulation and treatment equipment — separators, biological treatment plants, flow regulators, and stormwater systems — serving road, port, airport, municipal, industrial, and food-service clients across France and export markets, with 50 years of family ownership and two French factories.

Ownership category

akta.pro rank

Product category

Water Treatment Equipment

SIC

Specialty Cleaning, Polishing And Sanitation Preparations (2842)

akta.pro primary industry

Water Filtration, Treatment & Softening Plumbing Products (IMADALAK)

akta.pro secondary industries

Spill Control & Containment Equipment (Absorbents, Berms, Spill Kits) (IMAHALAK), Potable Water Treatment & Conditioning (Filtration, Disinfection, Corrosion Control) (EUANAAAC)

Keywords

• Water treatment equipment
• Stormwater management systems
• Wastewater treatment plants
• Hydrocarbon separators
• Grease separators

Headquarters

HQ city

Boulogne-billancourt

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Water Treatment Equipment Sales: Primary revenue from manufacturing and selling water treatment equipment including grease separators, hydrocarbon separators, decanteurs, lamellar settlers, sewage treatment plants, flow regulators, valves, tanks, and accessories. Products are sold to contractors, municipalities, and industrial clients for installation projects.
2. Custom Design-Build Services: Conception-réalisation (design-build) and hydraulic management services (Maîtrise hydraulique) for tailored water management solutions. Includes services for urban stormwater, industrial stormwater, wastewater, and basin/channel rinsing projects.
3. Rental Services: Rental of pollution control units (Location unités de dépollution) for temporary or mobile water treatment needs on construction sites or during facility transitions.
4. Accessories and Spare Parts: Aftermarket revenue from replacement parts, accessories (alarms, anchoring, cathodic protection, extensions), and consumables for installed equipment.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

Saint Dizier Environnement designs, manufactures and commercializes physical water management and treatment equipment across two factories in France. Its core offering covers grease and starch pretreatment separators for commercial kitchens, hydrocarbon separators and deslodgers for service stations and industrial sites, stormwater treatment units (including the certified STOPPOL system, pollution decanters and lamellar settlers), compact biological wastewater treatment plants (O2FIX fluidized bed, 21-250 PE), sanitation equipment (decolloiders, screens, septic tanks), flow regulation devices (vortex limiters, regulators, storm overflows), and network isolation valves (wall valves, check valves, fire traps).

Product overview

Saint Dizier Environnement is a French manufacturer of water management and treatment equipment operating for over 50 years across two factories in France. The company's product portfolio centers on physical infrastructure products rather than software solutions, organized into eight main categories: (1) Fat pretreatment products including GRECO, SAMBRE, and SDGP grease separator families plus starch separators; (2) Hydrocarbon pretreatment including IHDC/IHDCP separators and HYECO systems; (3) Stormwater treatment featuring STOPPOL® innovative units, pollution decanters, and lamellar settlers; (4) Sanitation equipment including O2FIX® biological fluidized bed treatment plants, decolloiders, screens, septic tanks, and control chambers; (5) Network isolation products including check valves, fire traps, and manual/motorized wall valves; (6) Flow regulation systems with storm overflows, flow regulators, and vortex flow limiters; (7) Basin equipment including CYMO® rinsing systems, surface skimmers, and bottom valves; and (8) Storage tanks. The company also offers tailor-made solutions including design-build services, hydraulic engineering, urban and industrial stormwater management, and rental of mobile depollution units. Key branded products include O2FIX® compact wastewater treatment plants (21-250 PE capacity), STOPPOL® certified stormwater treatment units, CYMO® basin rinsing systems, and COALIX® eco-designed reusable filters. Accessories include KAG02/KAH052 alarm systems for pollution detection, FLUIDFIX hydraulic fittings, and anchoring/raising systems.

Differentiator

Problem solved

Functional benefit

Brands

• O2FIX: Compact biological wastewater treatment plant range using fluidized bed technology for domestic wastewater treatment, available in 21-50 PE and 51-250 PE models.
• STOPPOL
• CYMO
• COALIX
• VALO2O
• UTEP

Products and services

• O2FIX Compact Biological Wastewater Treatment Plant Compact biological wastewater treatment plant using the fluidized bed principle, combining anaerobic pretreatment of raw wastewater with aerobic biological fluidized bed treatment of pretreated wastewater. Available in two capacity models: 21-50 PE and 51-250 PE (population equivalents). Designed for semi-collective and decentralized domestic wastewater treatment in hamlets, housing developments, chalets, campsites and hotels.
• STOPPOL Source-Based Stormwater Treatment System
• CYMO Basin Rinsing System
• COALIX Washable and Reusable 3D Filter Eco-designed and eco-responsible filter with 3D technology that is fully washable and reusable, eliminating the need for replacement. Reduces operational costs for water treatment installations.
• GRECO, SAMBRE and SDGP Grease Separator Families
• Hydrocarbon Separator Range (IHDC, IHDCP, HYECO, SPEDHO-A)
• Pollution Decanter (Décanteur dépollueur) and Lamellar Decanter (Décanteur lamellaire)
• UTEP Automated Stormwater Treatment Unit
• Decolloider (DCD) with Pozzolan Filter
• Dégrilleur (Screening Device)
• Fosse toutes eaux (All-Water Septic Tank)
• Regard de contrôle (Inspection Chamber) and RCP Sampling Manhole
• Vannes murales (Manual and Motorized Wall Valves)
• Clapets anti-retour (Check Valves)
• Siphons coupe-feu (Fire Traps)
• Déversoir d'orage (Storm Overflow)
• Régulateur de débit (Float-Type and Vortex-Effect Flow Regulators)
• Limiteur de débit (Vortex Flow Limiter) and AUTOREG Flow Control Structure
• Storage Tanks (Cuves de stockage) and KALIO-G Compact Cylindrical Tanks
• Ecrémeurs de surface (Surface Skimmers)
• Soupapes de fond de bassin (Basin Bottom Valves)
• KAG02 Grease Detection Alarm and KAH052 Hydrocarbon Detection Alarm
• FLUIDFIX Hydraulic Fittings (75-250 Series)
• Conception-Réalisation Design-Build Services (Maîtrise Hydraulique)
• Rental of Mobile Depollution Units (Location unités de dépollution)

Quantifiable outcome

• First manufacturer to achieve NF certification for hydrocarbon separators up to TN 500 nominal size
• +1 more outcomes

Named customers15 records

Segments7 records

Ideal customer profiles7 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Four partnerships are on record, tiered core, strategic and minor.

• RioprocoreChannel Partner/ Reseller/ Distributor · 1 January 2025Partner who visited the company's workshops for immersion in manufacturing know-how, demonstrating a close collaborative relationship focused on product distribution and technical knowledge sharing.
• AFM Recyclage / Groupe Derichebourg EnvironnementcoreStrategic or Co-development PartnerRecycling company operating multiple facilities where Saint Dizier Environnement has installed physico-chemical treatment plants and careening water treatment units. Multiple project references including Bassens (33) and Bordeaux (33) sites.
• IKT Laboratory (Dortmund, Germany)strategicTechnology or IntegrationGerman laboratory that performed certification testing for STOPPOL source treatment system in Q2 2013, providing independent third-party validation of product performance.
• Construction Material DistributorsminorChannel Partner/ Reseller/ DistributorNetwork of distributors in the construction materials sector selling Saint Dizier Environnement products to contractors and public works companies throughout France.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• WPL Limited: WPL is a UK-based manufacturer of small-scale wastewater treatment plants and stormwater management solutions. It is comparable to Saint Dizier's O2FIX and STOPPOL product lines in the small-community and commercial wastewater treatment market.
• Premier Tech Water and Environment: Premier Tech is a global manufacturer of decentralized wastewater treatment systems, stormwater management solutions, and water treatment equipment. It directly competes with Saint Dizier's O2FIX biological treatment plants and stormwater treatment product lines, particularly in the small-community and commercial segments.
• Sotralentz Habitat: Sotralentz is a French manufacturer of water treatment equipment including grease separators, hydrocarbon separators, and wastewater treatment systems. It is the most direct competitor to Saint Dizier Environnement in the French market, serving the same contractor, municipal, and industrial customer base with overlapping product categories.
• Simop: Simop is a French industrial company manufacturing water treatment equipment, pumping stations, and stormwater management solutions. It competes head-to-head with Saint Dizier in decentralized wastewater, stormwater treatment, and pumping/lifting stations for municipalities and developers in France.
• Biorock (S&B Group): Biorock is a European manufacturer of decentralized wastewater treatment systems, particularly for off-grid and small-community applications. It overlaps with Saint Dizier's O2FIX fluidized bed technology in the small-to-medium population equivalent (PE) wastewater treatment market.

Regional players

• Hydroconseil: Hydroconseil is a French engineering and consulting firm specializing in water and sanitation projects, including design and oversight of decentralized treatment systems. It is an adjacent rather than direct competitor, often specifying or partnering with equipment manufacturers like Saint Dizier for project delivery.

Emerging players

• Source Urbaine: Source Urbaine is a French company focused on urban stormwater solutions including rain gardens and sustainable urban drainage. Saint Dizier partnered with Source Urbaine in 2025 for an urban rain garden product, making it both a partner and a partial adjacent player in the urban stormwater management space.

Broad incumbents

• GRAF (Otto Graf GmbH): GRAF is a major German manufacturer of rainwater management, stormwater treatment, and water storage solutions. It competes with Saint Dizier in the stormwater and decentralized water management segments across European markets with a wider product range.
• ACO Passavant: ACO is a major European manufacturer of drainage, separation, and water treatment solutions for building, infrastructure, and environmental applications. It offers a much broader portfolio than Saint Dizier but overlaps directly in grease separators, hydrocarbon separators, and stormwater management equipment.
• Kingspan Environmental (Klargester): Kingspan Environmental is a leading UK/European manufacturer of wastewater treatment systems, grease traps, and rainwater harvesting solutions. It competes with Saint Dizier across multiple product categories including small-scale biological treatment and grease separation for commercial applications.

Market position

Strengths4 records

Weaknesses1 record

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/sdenv
• Facebookfacebook.com/saintdizierenvironnement
• Instagraminstagram.com/saintdizier_environnement
• Xx.com/saintdizierenv
• LinkedInlinkedin.com/company/saint-dizier-environnement

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 Saint Dizier environment