Aerzen
Aerzener Maschinenfabrik GmbH (AERZEN) is a privately held German industrial OEM founded in 1864 that designs, manufactures, and services rotary lobe blowers, screw compressors, rotary piston compressors, and turbo blowers for industrial gas compression across 100+ countries.
- Company typePrivate
- Founded1864
- HeadquartersFrauenfeld, Switzerland
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What Aerzen does
Aerzener Maschinenfabrik GmbH (AERZEN) is a privately held German industrial machinery manufacturer founded in 1864 and headquartered in Aerzen, Lower Saxony. The company specializes in the compression of gases and vacuum generation, producing four core hardware families: rotary lobe blowers (Drehkolbengebläse), screw compressors (Schraubenverdichter, both oil-free and oil-injected), rotary piston compressors/screw blowers (Drehkolbenverdichter), and turbo blowers (Turbogebläse), manufactured primarily in Germany and South Korea. These machines are sold into municipal and industrial water and wastewater treatment, pneumatic conveying, compressed air supply, process gas and refrigeration, biogas/biomethane, food and beverage, cement, chemical processing, maritime, vacuum, and mining applications.
AERZEN monetizes primarily through one-time capital equipment sales with quote-based pricing, complemented by a growing aftermarket ecosystem: AERZEN-branded original parts, oils, and service kits; long-tail service contracts, commissioning, inspections, and repairs; a rental solutions business via AERZEN INTERNATIONAL RENTAL B.V. offering pay-per-use and emergency capacity; and analysis/consulting services (acoustic investigations, machine diagnostics, training). A proprietary control technology stack, AERtronic, AERsmart, AERtronic Master, AERZEN WebView, and the AERprogress cloud platform, layers digital monitoring, cluster optimization, and data-based analytics on top of the installed base, beginning to extend the business model toward recurring software-style revenue.
The company distributes through more than 50 wholly-owned subsidiaries and additional channel partners across 100+ countries, supported by direct enterprise field sales, trade fair participation, and a customer portal. Its wholly-owned acquired brands, including RUDOLF MESSNER UMWELTTECHNIK (environmental technology), Suprafilt (filtration), and Specialty Treatment Solutions/Aquarius Technologies (water treatment), point to selective vertical and geographic tuck-in M&A alongside organic expansion. The business carries the profile of a long-established, founder-controlled mid-market industrial company with global reach but no public financial disclosure.
Aerzen firmographics
Firmographics- Name
- Aerzen
- Legal name
- Aerzener Maschinenfabrik GmbH
- Website
- https://aerzen.ch
- Company type
- Private
- Founded year
- 1864
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Aerzener Maschinenfabrik GmbH (AERZEN) is a privately held German industrial OEM founded in 1864 that designs, manufactures, and services rotary lobe blowers, screw compressors, rotary piston compressors, and turbo blowers for industrial gas compression across 100+ countries.
- Ownership category
- akta.pro rank
Aerzen industry classification
Industry- Product category
- Industrial Air & Gas Compressors and Blowers
- NAICS
- Air and Gas Compressor Manufacturing (333912), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Pump and Compressor Manufacturing (33391), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)
- SIC
- Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Refrigeration & Service Industry Machinery (3580), General Industrial Machinery & Equipment (3560)
- akta.pro primary industry
- Air & Gas Compressors (General Purpose) (IMAHANAE)
- akta.pro secondary industries
- Process Gas & High-Pressure Compressors (IMAHANAF), Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG), Refrigeration Compressor Oils (IMAEAMAH), Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline) (IMADANAB)
Keywords
Where Aerzen is headquartered
LocationHeadquarters
- HQ city
- Frauenfeld
- HQ country
- Switzerland
- HQ region
- Europe
Offices44 records
Markets served
Aerzen business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Industrial Compressor and Blower Sales: Sale of high-performance machines including rotary lobe blowers, screw compressors, rotary piston compressors, and turbo blowers. Products are customized solutions for specific industrial processes with long lifecycle equipment.
- Rental Solutions: AERZEN Rental Solutions provides temporary equipment rental for compressed air, gas, and vacuum applications. Offers pay-per-use pricing models for event contingencies and emergency support.
- Service and Maintenance: Comprehensive service offerings including commissioning, inspections, maintenance, repairs, and service contracts. Original AERZEN parts, service kits, and oils for ongoing maintenance.
- Original Parts and Consumables: Sale of original AERZEN spare parts, service kits, replacement stages, relubrication equipment, and AERZEN oil products for maintenance and repairs.
- Analysis and Consulting Services: Acoustic investigations, machine diagnostics, training programs, and machine registration services for process optimization.
Go-to-market motion3 records
Distribution channels4 records
Marketing channels5 records
Aerzen product offering
Product offeringCore offering
AERZEN designs, manufactures, and services industrial blowers and compressors for air, process gas, biogas, and vacuum applications. The core product families are rotary lobe blowers, screw compressors (oil-free and oil-injected), rotary piston compressors, and turbo blowers, complemented by proprietary digital control systems (AERtronic, AERsmart, AERprogress, WebView) and supported by rental solutions, original spare parts, and maintenance services.
Product overview
AERZEN (Aerzener Maschinenfabrik GmbH) is an industrial machinery manufacturer specializing in gas compression solutions since 1864. The company offers a comprehensive portfolio of four core product lines: rotary lobe blowers (Drehkolbengebläse), screw compressors (Schraubenverdichter), rotary piston/screw blowers (Drehkolbenverdichter), and turbo blowers (Turbogebläse). These are complemented by an advanced control technology ecosystem including AERtronic (unit control), AERsmart (cluster control), AERtronic Master (superordinate control), WebView (process monitoring), and AERprogress (cloud-based data solutions). The product portfolio serves diverse industrial applications including water/wastewater treatment, pneumatic conveying, process gas and refrigeration, food industry, cement/lime, chemical/processing, compressed air, maritime, biogas/biomethane, vacuum technology, and mining. AERZEN operates through over 50 subsidiaries across more than 100 countries with approximately 2,500 employees.
Differentiator
Problem solved
Functional benefit
Brands
- AERtronic: Control system for blower units
- AERsmart
- AERprogress
- AERZEN WebView
Products and services
- Rotary Lobe Blowers (Drehkolbengebläse) Robust continuous-duty rotary lobe blowers designed for air and neutral gas applications, vacuum applications, biogas applications, and process gas applications, serving industrial facilities across multiple sectors.
- Screw Compressors (Schraubenverdichter / Schraubenkompressoren) Oil-free and oil-injected screw compressors continuously optimized since 1943, including Serie SI (oil-injected with PM motor up to 13 bar) and Serie DS (2-stage oil-free up to 10.5 bar) for industrial compressed air and process gas applications.
- Rotary Piston Compressors / Screw Blowers (Drehkolbenverdichter / Schraubengebläse) Hybrid machines combining the advantages of blower and compressor technology in one unit, offering combined functionality for various industrial applications.
- Turbo Blowers (Turbogebläse) Oil-free turbo blowers known for high energy efficiency and advanced technology, serving industrial aeration and gas handling applications.
- Rental Solutions Rental machines and solutions for temporary capacity needs, emergency support, contingency planning, and pay-per-use options for compressed air, gas, and vacuum applications.
- Service and Maintenance (Kundendienst) Comprehensive service offerings including commissioning, inspections, maintenance, repairs, and service contracts for AERZEN blower and compressor equipment.
- Original AERZEN Parts and Consumables Sale of original AERZEN spare parts, service kits, replacement stages, relubrication equipment, and AERZEN oil products for maintenance and repair of AERZEN equipment.
- Analysis and Consulting Services Acoustic investigations, machine diagnostics, training programs, and machine registration services for process optimization of AERZEN equipment.
Quantifiable outcome
- Energy efficiency improvements through intelligent combination control with AERsmart
- +2 more outcomes
Companies that use Aerzen
Customer profileSegments11 records
Ideal customer profiles4 records
Aerzen technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Aerzen partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- DEWA Projekt OÜminorLocal partner in Estonia providing AERZEN product representation and support in the Estonian market
Scale indicators4 records
Recent moves2 records
Expansion highlights6 records
Aerzen competitors and assessment
Company assessmentMarket position
Strengths1 record
Competitive moat5 records
Key risks1 record
Key highlights7 records
Customer concentration
Aerzen social profiles
Digital presenceAerzen financial estimates
Financial estimateRevenue estimate
Valuation estimate
Aerzen leadership team
Management profileNumber of profiles
Aerzen subsidiaries and ownership
Company hierarchySubsidiaries55 records
Aerzen funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Aerzen 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 Aerzen
What does Aerzen do?
AERZEN designs, manufactures, and services industrial blowers and compressors for air, process gas, biogas, and vacuum applications. The core product families are rotary lobe blowers, screw compressors (oil-free and oil-injected), rotary piston compressors, and turbo blowers, complemented by proprietary digital control systems (AERtronic, AERsmart, AERprogress, WebView) and supported by rental solutions, original spare parts, and maintenance services.
Is Aerzen a public or private company?
Aerzen is a private company. It is classified as family owned and is currently operating.
When was Aerzen founded?
Aerzen was founded in 1864. It employs 1 to 10 people.
Where is Aerzen based?
Aerzen is headquartered in Frauenfeld, Switzerland, in the Europe region.
How does Aerzen make money?
Five revenue lines are on record. Industrial Compressor and Blower Sales are the primary driver. The others are rental Solutions, service and Maintenance, original Parts and Consumables and analysis and Consulting Services.
Does Aerzen have an API?
No public API is recorded for Aerzen.
What industry is Aerzen in?
Aerzen's product category is Industrial Air & Gas Compressors and Blowers. Its primary akta.pro industry code is IMAHANAE, Air & Gas Compressors (General Purpose), with a secondary code of IMAHANAF, Process Gas & High-Pressure Compressors. Its NAICS code is 333912 and its SIC code is 3564.