Atzwanger
Atzwanger is a family-owned Italian plant engineering firm, founded 1932 in Bolzano, delivering turnkey waste, energy, pool water, drinking/wastewater, and HVAC systems to municipalities, healthcare, hospitality, and industrial clients across Central Europe.
- Company typePrivate
- Founded1932
- HeadquartersBolzano, Italy
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Atzwanger does
Atzwanger is an Italian family-owned plant engineering company headquartered in Bolzano-Bozen, South Tyrol, founded in 1932 by Luis Atzwanger as a heating and sanitary installation workshop. Over three generations it has expanded into a multi-disciplinary engineering firm operating across five business divisions: waste technologies (mechanical-biological treatment, solid waste incineration, anaerobic digestion), energy cogeneration systems (district heating, biomass/gas/biogas power plants, thermal energy storage), pool water treatment (pressure filters, ozone systems, ultrafiltration, electrolysis), drinking and wastewater treatment (membrane ultrafiltration, up-flow anaerobic sludge blanket systems, deammonification), and building HVAC technologies. The group employs approximately 250 people across five wholly-owned legal entities in Italy, Germany, Austria, and Switzerland, and executes projects across roughly a dozen countries including Slovenia, Croatia, Lithuania, Romania, Japan, and Russia.
The company operates a turnkey delivery model, providing single-source responsibility from concept and engineering through procurement, construction, commissioning, and ongoing service and maintenance supported by a 24/7 emergency hotline and remote Quick Support. Customers are enterprise and institutional clients — municipalities and utilities (wastewater plants, district heating), hospitals and healthcare facilities (Hospital Bolzano), hotels and resorts (Hotel Krallerhof, Das Gerstl Alpine Retreat), waterparks and thermal spas (Therme Bucharest, Therme Erding, Tropical Island Berlin, Säntispark, Olympiahalle Munich), industrial and food-processing operators (VOG PRODUCTS, Innio), and energy utilities (Alperia). Go-to-market is direct B2B enterprise field sales with multi-year project contracts; participation in Italian public tenders is enabled by SOA certification No. 31/00. Pricing is custom quote-based on project specifications.
Atzwanger monetizes through one-time turnkey plant installation projects (capex-heavy) and recurring service and maintenance contracts (professional services). It holds a comprehensive compliance stack — ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 3834-2 welding certification, FGAS fluorinated-gas certification, and UNI PDR 125 — which gates entry into regulated European public procurement. Leadership rests with the third generation of the Atzwanger family following a 2023 transition, with Thomas Atzwanger as President and Martin Atzwanger as CEO.
Atzwanger firmographics
Firmographics- Name
- Atzwanger
- Legal name
- Atzwanger SpA
- Website
- https://atzwanger.net
- Company type
- Private
- Founded year
- 1932
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Atzwanger is a family-owned Italian plant engineering firm, founded 1932 in Bolzano, delivering turnkey waste, energy, pool water, drinking/wastewater, and HVAC systems to municipalities, healthcare, hospitality, and industrial clients across Central Europe.
- Ownership category
- akta.pro rank
Atzwanger industry classification
Industry- Product category
- Plant Engineering Services
- NAICS
- Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Water Supply and Irrigation Systems (221310)
- SIC
- Misc Industrial & Commercial Machinery & Equipment (3590), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)
- akta.pro primary industry
- Balance-of-Plant (BOP) & Civil Works for Power Plants (EUAEAAAL)
- akta.pro secondary industries
- Chemical Tank Cleaning, Decontamination & Turnaround Waste Services (BPALAHAH), Chillers & Cooling Plant Equipment (IMAHAKAE), Chillers, Boilers & Central Plant Operations (BPABACAG)
Keywords
Where Atzwanger is headquartered
LocationHeadquarters
- HQ city
- Bolzano
- HQ country
- Italy
- HQ region
- Europe
Offices5 records
Markets served
Atzwanger business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales
Revenue model
- Turnkey Plant Installation Projects: Custom plant engineering projects delivered as complete turnkey solutions from design through commissioning. Projects span waste management, energy, pool water, drinking/wastewater, and building HVAC systems.
- Service and Maintenance Contracts: 24-hour emergency service and ongoing maintenance for installed plants. Includes remote quick support capabilities and on-site service teams.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom project-based pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels3 records
Atzwanger product offering
Product offeringCore offering
Atzwanger designs, builds, commissions, and services turnkey industrial plants across five business divisions: Waste Technologies (incineration, mechanical-biological treatment, anaerobic digestion), Energy Cogeneration Systems (district heating, biomass/biogas power plants), Pool Water Treatment Technologies (for thermal spas, waterparks, swimming pools), Drinking and Wastewater Treatment Technology (with proprietary membrane ultrafiltration), and Building-HVAC Technologies. Projects are delivered as full turnkey solutions from concept through commissioning, backed by 24/7 service and maintenance.
Product overview
Atzwanger is an advanced plant engineering company organized into five core business divisions: Waste Technologies, Energy Cogeneration Systems, Pool Water Treatment Technologies, Drinking and Wastewater Treatment Technology, and Building-HVAC Technologies. The company operates as a unified platform providing comprehensive plant solutions, offering everything from conception to construction, commissioning, and ongoing service/maintenance. Projects span multiple countries including Italy, Germany, Austria, Switzerland, Japan, Russia, Lithuania, Croatia, Romania, and Slovenia. The company emphasizes turnkey installations and 24/7 customer support as key differentiators.
Differentiator
Problem solved
Functional benefit
Products and services
- Waste Technologies Comprehensive waste treatment solutions including mechanical and biological treatment plants, solid waste incineration plants, and anaerobic digestion facilities. Handles waste sorting, recycling, fermentation of organic waste to produce biogas, composting, and conversion to refuse-derived fuel (RDF). Sold to municipalities and waste management companies.
- Energy Cogeneration Systems Energy-efficient and sustainable plant solutions including power plants based on gas, biogas, biomass or waste, district heating networks, biomass-fired cogeneration plants, and thermal energy storage systems. Supports energy transition through cogeneration and trigeneration technologies. Sold to energy utilities and industrial clients.
- Pool Water Treatment Technologies High-tech water treatment solutions for thermal spas, waterparks, and swimming pools. Offerings include pressure filters (steel and GRP), vacuum filters (plastic), ozone systems, cathodic protection, electrolysis systems, ultrafiltration, and control technology/automation. Sold to hotels, resorts, waterparks, and thermal spa operators.
- Drinking and Wastewater Treatment Technology Comprehensive water treatment solutions including drinking water treatment (filtration, deacidification, disinfection) and wastewater treatment (with proprietary ultrafiltration membrane technology and up-flow anaerobic sludge blanket systems). Sold to municipalities and industrial clients.
- Building-HVAC Technologies Building technology solutions including heating, cooling, ventilation, and sanitary systems for hospitals, industrial facilities, office buildings, and hotels. Focus on life cycle costs with innovative plant engineering. Sold to healthcare, commercial real estate, and industrial facility operators.
- Turnkey Installations and Service Comprehensive service offering from individual consultation and planning to organization, implementation, and monitoring. Includes 24/7 emergency service, maintenance contracts, and Quick Support (remote assistance via TeamViewer). Sold to owners of plants across all five technology divisions.
Quantifiable outcome
- Handles 21,000 kg COD/day with biogas production of 220 m³/h (560 kWel) at WWTP Branzoll
- +2 more outcomes
Companies that use Atzwanger
Customer profileNamed customers14 records
Segments8 records
Ideal customer profiles5 records
Atzwanger technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Atzwanger partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- PLASTICFREE Project ConsortiumminorATZWANGER is a partner in the PLASTICFREE project dedicated to identifying and reducing micro and nanoplastic pollution. The project addresses emerging pollutants recognized internationally, with protocols for analysis still being standardized.
Scale indicators6 records
Recent moves12 records
Expansion highlights5 records
Atzwanger competitors and assessment
Company assessmentDirect peers
- BWT AG: Austrian-headquartered water-treatment technology company serving municipal, hospitality, industrial, and pool/spa customers across Europe. Directly comparable on water and pool-water treatment technologies, Central European footprint, and B2B turnkey delivery model.
- Hitachi Zosen Inova: Swiss-headquartered (operates from Zurich area) EPC specialist in waste-to-energy and anaerobic digestion plants across Europe and globally. Direct competitor in Atzwanger's waste-incineration and MBT/biogas project lines.
- Streicher Group: German mid-sized EPC contractor covering plant construction, pipelines, and environmental technology, with roots in southern Germany. Comparable family-era heritage, regional scale, and focus on turnkey industrial and environmental plant delivery.
Broad incumbents
- GEA Group: German process-engineering group with a separation and wastewater-technology business serving food, dairy, and industrial customers. Comparable on process-plant EPC delivery and on wastewater treatment know-how, especially for industrial clients like VOG.
- ANDRITZ Group: Austrian global plant-engineering group with a dedicated Environment & Energy division covering waste-to-energy, biomass, and water/sludge treatment. Much larger than Atzwanger but operates in the same EPC and environmental-technology categories and shares the Central European base.
- Bilfinger SE: German industrial services and EPC company with strong exposure to energy, environmental, and process-plant construction and maintenance. Overlaps with Atzwanger's energy-cogeneration, waste, and water EPC work and is a reference for the larger-EPC competitive set.
- Veolia Water Technologies: Global environmental-services group with deep municipal and industrial water and wastewater treatment EPC capabilities. Overlaps with Atzwanger's drinking and wastewater treatment division at both the technology and project-delivery level.
- SUEZ Water Technologies & Solutions: French-headquartered environmental services and water-technology group active across municipal water, wastewater and waste treatment in Europe. Competes with Atzwanger for municipal tenders in Italy and Central Europe and offers comparable turnkey plant solutions.
Emerging players
- Viessmann: German family-owned HVAC, heating, and refrigeration systems provider. Comparable family-owned, DACH-based identity and overlap with Atzwanger's Building-HVAC division in heating, cooling and sanitary installations for hospitals, hotels and commercial buildings.
Others
- MAN Energy Solutions: German OEM of large gas engines, turbines, and complete power-plant packages including CHP/biogas. Atzwanger's Innio/CHP Cottbus project demonstrates it integrates such engines into cogeneration plants, making MAN a key technology supplier and adjacent peer.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Atzwanger social profiles
Digital presenceAtzwanger compliance and trust
Trust signalCompliance5 records
Atzwanger financial estimates
Financial estimateRevenue estimate
Valuation estimate
Atzwanger leadership team
Management profileNumber of profiles
Profiles5 records
Atzwanger subsidiaries and ownership
Company hierarchySubsidiaries4 records
Atzwanger funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Atzwanger 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 Atzwanger
What does Atzwanger do?
Atzwanger designs, builds, commissions, and services turnkey industrial plants across five business divisions: Waste Technologies (incineration, mechanical-biological treatment, anaerobic digestion), Energy Cogeneration Systems (district heating, biomass/biogas power plants), Pool Water Treatment Technologies (for thermal spas, waterparks, swimming pools), Drinking and Wastewater Treatment Technology (with proprietary membrane ultrafiltration), and Building-HVAC Technologies. Projects are delivered as full turnkey solutions from concept through commissioning, backed by 24/7 service and maintenance.
Is Atzwanger a public or private company?
Atzwanger is a private company. It is classified as family owned and is currently operating.
When was Atzwanger founded?
Atzwanger was founded in 1932. It employs 101 to 250 people.
Where is Atzwanger based?
Atzwanger is headquartered in Bolzano, Italy, in the Europe region.
How does Atzwanger make money?
Two revenue lines are on record. Turnkey Plant Installation Projects are the primary driver. The others are service and Maintenance Contracts.
Who are Atzwanger's main competitors?
Direct peers on record are BWT AG, Hitachi Zosen Inova and Streicher Group. Broad incumbents are GEA Group, ANDRITZ Group, Bilfinger SE, Veolia Water Technologies and SUEZ Water Technologies & Solutions. Viessmann is listed as an emerging player. MAN Energy Solutions is listed as an others.
Does Atzwanger have an API?
No public API is recorded for Atzwanger.
What industry is Atzwanger in?
Atzwanger's product category is Plant Engineering Services. Its primary akta.pro industry code is EUAEAAAL, Balance-of-Plant (BOP) & Civil Works for Power Plants, with a secondary code of BPALAHAH, Chemical Tank Cleaning, Decontamination & Turnaround Waste Services. Its NAICS code is 3334 and its SIC code is 3590.