IEG Technologie
IEG Technologie GmbH is a German environmental engineering firm that designs and deploys patented in-situ groundwater circulation well (IEG-GCW®) remediation systems and related equipment for petrochemical, pharmaceutical, government, and consulting clients across 10+ countries.
- Company typePrivate
- Founded1985
- HeadquartersGruibingen, Germany
- Headcount11–50
- GTM typeB2B
- OfferingServices
What IEG Technologie does
IEG Technologie GmbH is a privately held German environmental engineering firm, founded in 1985 and headquartered (as of December 2025) in Mühlhausen im Täle, Baden-Württemberg, that designs, manufactures, and deploys proprietary in-situ groundwater and soil remediation systems for industrial, governmental, and consulting clients. Its flagship technology, the patented IEG-GCW® (Groundwater Circulation Well), creates vertical circulation cells inside a multi-screened well to flush aquifers and accelerate natural biodegradation under aerobic or anaerobic conditions, without groundwater abstraction or drawdown. The platform is supported by a modular product family — including IEG MLSW multilevel sampling wells, IEG-MIW injection wells, IEG CGC-Sparge, IEG VLR free-product recovery, IEG CVS 1000 vacuum stripper, IEG GAC-Sorb activated-carbon units, IEG-DSU stripping towers, and the IEG-C-MIX nutrient chemistry — plus a patented Double-Cased Screen (DMF) for soil vapour extraction. The company has completed more than 400 remediations across 10+ countries and three continents, with documented cost savings of up to 75% versus conventional Pump & Treat and per-cubic-metre contaminant removal rates an order of magnitude higher than P&T at field-validated sites.
IEG generates revenue through project-based turn-key remediation engagements (the firm states explicitly "we sell solutions, we don't sell products"), supplemented by equipment manufacturing and supply of GCW wells, containerized treatment systems, online monitoring units, and liquid nutrients, as well as long-term managed services and operations. Pricing is quote-based and depends on site-specific geology, contamination type, and scope; multi-year contracts are typical. Go-to-market combines direct enterprise sales from the German HQ, a 30%-owned Italian channel and operations partner (Hydrogea S.r.l.), and a network of local country partners, with awareness and lead generation driven by presence at major international remediation conferences (RemTech, Battelle Chlorinated, DECHEMA, BioRemid) and EU-backed internationalization programs (MEP Slovakia, Baden-Württemberg state delegations to Singapore and Taiwan). Key end markets are petrochemical and pharmaceutical manufacturers, government agencies and brownfield owners, and international environmental consultancies (named logos include ERM, WSP/Golder, Edison Next, Eni Rewind, Cesi, and Limia und Martin); emerging use cases include coastal aquifer protection (IEG-GCW®-SW) and EU/NSFC-China research (ELECTRA). Operational control is concentrated in the Alesi family, with Dr. Eduard J. Alesi as CEO.
IEG Technologie firmographics
Firmographics- Name
- IEG Technologie
- Legal name
- IEG Technologie GmbH
- Website
- https://ieg-technology.com
- Company type
- Private
- Founded year
- 1985
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- IEG Technologie GmbH is a German environmental engineering firm that designs and deploys patented in-situ groundwater circulation well (IEG-GCW®) remediation systems and related equipment for petrochemical, pharmaceutical, government, and consulting clients across 10+ countries.
- Ownership category
- akta.pro rank
IEG Technologie industry classification
Industry- Product category
- Environmental Remediation Services
- NAICS
- Remediation Services (56291), Remediation Services (562910), Remediation and Other Waste Management Services (5629)
- SIC
- Oil & Gas Field Machinery & Equipment (3533), Construction Machinery & Equip (3531)
- akta.pro primary industry
- Brownfield Site Assessment & Remediation (BPALAKAA)
- akta.pro secondary industries
- Petroleum Hydrocarbon (UST/LUST) Remediation (BPALAKAB), Feasibility Studies & Remedial Design/Engineering (FS/RD, Treatability Testing) (EUAIALAB), Groundwater Remediation (Pump & Treat, Air Sparging, PRBs) (EUAIALAD)
Keywords
Where IEG Technologie is headquartered
LocationHeadquarters
- HQ city
- Gruibingen
- HQ country
- Germany
- HQ region
- Europe
Offices4 records
Markets served
IEG Technologie business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Supply Chain, Infrastructure, Marketing or Sales, Operations
Revenue model
- Turn-key remediation projects: Project-based delivery of end-to-end groundwater and soil remediation solutions sold as turn-key engagements. IEG explicitly states "We sell solutions, we don't sell products" and adapts to client situations (turn-key or integration into existing infrastructure). Sold primarily to enterprise and government clients.
- Equipment manufacturing & supply: Manufacture and sale of complex remediation wells (IEG-GCW®, MLSW, MIW), container systems for groundwater treatment, online monitoring systems, and liquid nutrients (IEG-C-MIX) for microbiological degradation, produced in Germany and delivered to remediation sites worldwide.
- Managed services & operations: Ongoing operations, monitoring, and maintenance of installed remediation systems (e.g., support, operation, and maintenance of IEG-GCW® projects in Italy provided by Hydrogea). Includes long-term site operation.
- Public co-funding / grants: Receipt of public co-funding from the European Union and the State of Baden-Württemberg to support infrastructure investment (new HQ construction); reduces capital outlay and underpins research expansion.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project/quote-based turn-key remediation solutions and equipment sales (no public price list) |
Go-to-market motion4 records
Distribution channels5 records
Marketing channels7 records
IEG Technologie product offering
Product offeringCore offering
IEG Technologie GmbH designs, manufactures, and deploys proprietary in-situ soil and groundwater remediation systems, with the patented IEG-GCW® Groundwater Circulation Well platform as its flagship technology. The company delivers turn-key or integrated remediation solutions to enterprise and government clients globally, supported by a portfolio of proprietary wells, surface treatment units, and tailored nutrient chemistry. Over 400 successful remediation sites have been completed across more than 10 countries.
Differentiator
Problem solved
Functional benefit
Brands
- IEG-GCW®: Groundwater Circulation Well – IEG's flagship in-situ aquifer remediation process using chemical, physical and biological processes.
- IEG-GCW®-SW
- IEG CGC-Sparge
- IEG VLR
- IEG GAC-Sorb
- IEG CVS 1000
- IEG MLSW / IEG-MLSW®
- IEG-MIW
- IEG-C-MIX
- IEG DSU
Products and services
- IEG-GCW® (Groundwater Circulation Well) Patented in-situ groundwater remediation system that creates vertical circulation cells by drawing groundwater through one screened section of a multi-screened well and discharging it back through another, accelerating natural biodegradation under aerobic or anaerobic conditions. Claimed to save up to 75% of operating costs versus pump-and-treat.
- IEG-GCW®-SW Saltwater Intrusion Protection IEG-GCW®-based solution that creates controllable hydraulic barriers to prevent the advance of saltwater into coastal freshwater aquifers and efficiently displaces already intruded saline water; safeguards drinking water resources in coastal regions.
- IEG CGC-Sparge (Coaxial Groundwater Circulation Sparging) Combined soil air extraction and in-situ sparging technique for effective remediation of shallow aquifers and perched groundwaters contaminated with volatile organic substances, petroleum hydrocarbons, and solvents; uses micro-bubbles to lift groundwater through annular space and strip VOCs.
- IEG VLR (Vacuum-Enhanced Liquid Recovery) Innovative technology for maximum recovery of free-phase product (LNAPL/DNAPL) floating on groundwater using a specially adapted well screened above groundwater surface, without drawdown or expensive oil/water separation; convertible to a bioventing system.
- IEG MLSW (Multilevel Sampling Well) System for obtaining undisturbed high-quality samples of soil gas and groundwater from numerous isolated horizons in a single standard borehole; enables 3-D delineation of contamination profiles for remediation design and monitoring.
- IEG-MIW (Multilevel Injection Wells) Peripheral multilevel injection wells used to distribute soluble nutrient supplement (IEG-C-MIX) into heterogeneous aquifers for enhanced reductive dehalogenation; combined with central GCW to create in-situ bioreactor for CAH treatment.
- IEG CVS 1000 (Compact Vacuum Stripper) Modular skid-mounted system for removing volatile organic compounds (VOCs) from contaminated groundwater; treats up to 15 m³/h with VOC removal efficiency of up to 99.5%, low profile, no tower packing required.
- IEG GAC-Sorb (Granular Activated Carbon Units) Specially designed activated carbon recovery systems with innovative distribution for VOCs from contaminated off-gas. The largest 3,000-litre system can treat up to 2,300 m³/h of contaminated air with contaminant loading up to 350 kg.
- IEG-DSU (Desorption Stripping Units) One-stage or multiple-stage packed stripping towers for removal of volatile contaminants from groundwater, configured per required effluent concentration.
- IEG Soil Vapour Extraction with Double-Cased Screen (DMF) Patented double-cased screen (DMF) with fine-grained filter granules sandwiched between two metal sieve web layers (open screened area >50%) paired with a very low negative pressure blower; performs air/water phase separation in the DMF to prevent drying of the subsurface.
- IEG-C-MIX (Soluble Nutrient Supplement) Soluble nutrient supplement added to groundwater via IEG-MIW injection wells to stimulate microbiological reductive dehalogenation of chlorinated aliphatic hydrocarbons (CAHs) when combined with the IEG-GCW® recirculation process.
- Soil Circular Flushing Well (SZB) Soil flushing technique for non-volatile contaminants in unsaturated zone and groundwater fluctuation area; uses drain pipes or vertical screens to re-inject cleaned/oxygen-enriched water to support microbiological decomposition.
- Turn-Key Remediation Solutions Project-based delivery of end-to-end groundwater and soil remediation solutions sold as turn-key engagements to enterprise and government clients; IEG adapts to client situations (turn-key delivery or integration into existing infrastructure).
- Managed Services & Operations Ongoing operations, monitoring, and maintenance of installed IEG remediation systems (e.g., support, operation, and maintenance of IEG-GCW® projects in Italy provided by Hydrogea S.r.l.).
Quantifiable outcome
- Up to 75% operating-cost savings vs conventional Pump & Treat
- +5 more outcomes
Companies that use IEG Technologie
Customer profileNamed customers8 records
Segments6 records
Ideal customer profiles6 records
IEG Technologie technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature12 records
IEG Technologie partnerships and signals
Strategic signalPartnerships
13 partnerships are on record, tiered minor, core and flagship.
- Political Delegation from Kaohsiung, TaiwanminorHigh-ranking Taiwanese delegation visited IEG Technology GmbH to learn about IEG's innovative solutions and discuss new collaboration opportunities in renovation/remediation projects in Italy and beyond.
- Federal Ministry for Economic Affairs and Climate Action (Bundesministerium für Wirtschaft und Klimaschutz) – Market Development Program (MEP)coreUnder the Market Development Program (Markterschließungsprogramm), IEG participated in a conference and B2B meetings on contaminated site remediation in Slovakia to develop potential cooperations with German companies.
- Battelle (Chlorinated Conference organizer)minorIEG presented at the 2024 Chlorinated Conference in Denver, Colorado (Mile High Ballroom, Room 3b – F Sessions, 3:30 PM, 3 June 2024) on 3-D geospatial approaches to remediate chlorinated solvent contamination.
- Trireme (Italian environmental startup)minorIEG supported the launch of Italian startup Trireme as an emerging reference player in the Italian remediation market; Trireme's pedigree includes Sapienza Rome, Edison team, and academic partners.
- Singapore Water Exchange (SgWX)minorIEG joined a Baden-Württemberg state delegation ("the Länd") to Singapore led by Minister of State Florian Stegmann on a "Green Tec" theme to engage with the local water industry and explore Southeast Asian market opportunities for IEG's remediation technologies.
- Hydrogea S.r.l.flagshipIEG Technologie GmbH acquired 30% of the share capital of Italian company Hydrogea S.r.l. (announced at RemTech 2023 in Ferrara). Hydrogea is a leader in pneumatic pumping technology for groundwater pumping/sampling and free product recovery. The alliance creates a comprehensive range of solutions for sustainable rehabilitation of environmental resources, with Hydrogea providing support, operation, and maintenance of IEG-GCW® projects in Italy and co-exhibiting at RemTech 2025.
- VEGAS – Experimental Facility for Groundwater and Contaminated Site Remediation, University of StuttgartcoreCollaboration with the University of Stuttgart's VEGAS research facility – the only experimental facility in Germany for research on remediation and contamination in soil and groundwater; first GCW research projects and experimental setups were carried out at this site more than 30 years ago. Recent joint scientific exchange with delegation from Chengdu University of Technology.
- ELECTRA Research Consortium (European Commission + NSFC China)coreIEG is part of the EU-funded 4-year ELECTRA Research Innovation Action, a consortium jointly developing and testing innovative bio-electrochemical systems (BES)-based bioremediation biotechnologies at lab scale and bringing the four most efficient technologies to field in both China and Europe, in cooperation with an NSFC-funded Chinese consortium.
- Karlsruhe Institute of Technology (KIT)coreCooperation partner for continuous research and technology development; cited as one of IEG's leading university partners alongside Sapienza Rome, University of Madrid, and Chengdu University. Prof. Dr. Thomas Hirth (Vice President for Transfer and International Affairs, KIT) chairs the jury for the Baden-Württemberg Environmental Technology Award.
- University of Sapienza, Rome (Italy)coreJoint research and technology development cooperation on groundwater remediation; partnered with IEG on the CHC remediation project at the North-Italy production site for source removal via stimulation of autochthonous microbiology.
- Chengdu University of Technology (China)coreJoint research and academic cooperation; co-organizer of the 9th International Symposium on Soil and Groundwater in Chengdu (August 2023) and recent joint visit to VEGAS at University of Stuttgart. Listed under "Our Cooperations" on the IEG website.
- Universidad de Alcalá (Spain)minorUniversity partner displayed in IEG's "Our Cooperations" logo section; ties to research community in Spain.
- TH Köln – Technische Hochschule Köln (Germany)minorUniversity cooperation partner displayed in IEG's "Our Cooperations" logo section.
Scale indicators11 records
Recent moves8 records
Expansion highlights6 records
IEG Technologie competitors and assessment
Company assessmentDirect peers
- Cascade Environmental: US-based environmental drilling and in-situ remediation services firm delivering turn-key groundwater and soil remediation to industrial clients, comparable in business model (engineered turn-key remediation projects) and customer overlap.
- TerraTherm: Provider of thermal enhancement technologies for in-situ remediation of dense-phase contamination — directly comparable to IEG's thermally-assisted IEG-GCW® platform for dense non-aqueous phase liquids in groundwater.
- Remediation Services International (RSI): Specialty contractor focused on in-situ chemical and biological remediation of contaminated soil and groundwater, with comparable technical approach and consulting-firm client base to IEG.
- REGENESIS: US-based provider of in-situ remediation products and technologies for soil and groundwater, including chemical reduction and enhanced bioremediation. Closely comparable to IEG as a niche, IP-driven in-situ remediation specialist selling engineered solutions to consulting and industrial clients.
- EOS Remediation: Specialises in enhanced anaerobic and aerobic bioremediation of chlorinated solvents and hydrocarbons using injectable substrates, closely overlapping IEG's MIW + C-MIX nutrient chemistry and GCW-based biological remediation approach.
Emerging players
- Trireme: Italian environmental startup supported by IEG and rooted in Sapienza Rome and Edison team expertise; a partial-overlap emerging player in the Italian remediation market that benefits from IEG partnership and Hydrogea channel infrastructure.
Broad incumbents
- Tetra Tech: Large environmental consulting and engineering firm with a substantial remediation practice; serves the same petrochemical, pharma, and public-sector clients as IEG through integrated consulting-led delivery.
- AECOM: Global environmental and engineering consultancy that designs and oversees large remediation projects; competes with IEG for specification on enterprise and government remediation programmes, and is both a potential competitor and channel partner.
- Clean Harbors: North America's largest environmental services company offering a broad portfolio including groundwater remediation, hazardous waste handling, and industrial services; comparable customer base but vastly broader scope than IEG's niche offering.
- ERM (Environmental Resources Management): Global pure-play environmental consultancy that specifies and manages remediation projects for industrial clients; simultaneously an IEG client and a competitor in the consulting layer, illustrating the boundary between IEG and broad incumbents.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks7 records
Key highlights7 records
Customer concentration
IEG Technologie social profiles
Digital presenceIEG Technologie compliance and trust
Trust signalCompliance1 record
IEG Technologie financial estimates
Financial estimateRevenue estimate
Valuation estimate
IEG Technologie leadership team
Management profileNumber of profiles
Profiles13 records
IEG Technologie subsidiaries and ownership
Company hierarchySubsidiaries1 record
IEG Technologie funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
IEG Technologie M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about IEG Technologie
What does IEG Technologie do?
IEG Technologie GmbH designs, manufactures, and deploys proprietary in-situ soil and groundwater remediation systems, with the patented IEG-GCW® Groundwater Circulation Well platform as its flagship technology. The company delivers turn-key or integrated remediation solutions to enterprise and government clients globally, supported by a portfolio of proprietary wells, surface treatment units, and tailored nutrient chemistry. Over 400 successful remediation sites have been completed across more than 10 countries.
Is IEG Technologie a public or private company?
IEG Technologie is a private company. It is classified as family owned and is currently operating.
When was IEG Technologie founded?
IEG Technologie was founded in 1985. It employs 11 to 50 people.
Where is IEG Technologie based?
IEG Technologie is headquartered in Gruibingen, Germany, in the Europe region.
How does IEG Technologie make money?
Four revenue lines are on record. Turn-key remediation projects are the primary driver. The others are equipment manufacturing & supply, managed services & operations and public co-funding / grants.
Who are IEG Technologie's main competitors?
Direct peers on record are Cascade Environmental, TerraTherm, Remediation Services International (RSI), REGENESIS and EOS Remediation. Trireme is listed as an emerging player. Broad incumbents are Tetra Tech, AECOM, Clean Harbors and ERM (Environmental Resources Management).
Does IEG Technologie have an API?
No public API is recorded for IEG Technologie.
What industry is IEG Technologie in?
IEG Technologie's product category is Environmental Remediation Services. Its primary akta.pro industry code is BPALAKAA, Brownfield Site Assessment & Remediation, with a secondary code of BPALAKAB, Petroleum Hydrocarbon (UST/LUST) Remediation. Its NAICS code is 56291 and its SIC code is 3533.