Eferest
Eferest GmbH is a German family-owned manufacturer of high-pressure vessels, hydraulic accumulators, and hydrogen storage systems (up to 1000 bar), serving mechanical engineering, oil and gas, offshore, energy, and hydrogen customers via project-based B2B contracts.
- Company typePrivate
- Founded1939
- HeadquartersWilnsdorf, Germany
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Eferest does
Eferest GmbH is a German family-owned manufacturer of high-pressure vessels, hydraulic accumulators, and high-pressure cylinder systems, with products rated up to 1000 bar. Founded in 1939 and headquartered in Wilnsdorf-Anzhausen, Germany, the company serves industrial customers across mechanical engineering, oil and gas, offshore/marine, energy, and hydrogen. Manufacturing is conducted at a 26,000 m² facility with robotic welding and finishing capability, and the company holds an unusually broad portfolio of international certifications — ASME U/U2, DNV, Lloyd's Register, Bureau Veritas, KGS, EAC, and Pressure Equipment Directive — that enable bids on safety-critical equipment across regulated jurisdictions.
Eferest's product portfolio centers on three families: hydraulic accumulators (bladder, piston, and diaphragm types), pressure vessels and high-pressure cylinders, and an emerging hydrogen storage line that includes stackable configurations up to 1000 bar. The business operates on a project-based, quote-driven B2B model: each order is custom-engineered to customer specifications rather than sold off a catalog, with engineering support and close customer collaboration positioned as the core value proposition. Pricing is therefore transactional and specification-led, not subscription or platform-based.
The company is in an active consolidation and repositioning phase. It acquired sister company STABO in 2023, is consolidating combined operations into a new Siegen facility in September 2025, and is pushing into the hydrogen value chain through product launches and joint exhibition at the Hydrogen Technology World Expo 2025. International sales representation has been established in South Korea and the Czech Republic, signaling a build-out beyond the DACH core market. Headcount is reported in the 11–50 range and the business remains privately held by the founding family.
Eferest firmographics
Firmographics- Name
- Eferest
- Legal name
- Eferest GmbH
- Website
- https://eferest.de
- Company type
- Private
- Founded year
- 1939
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Eferest GmbH is a German family-owned manufacturer of high-pressure vessels, hydraulic accumulators, and hydrogen storage systems (up to 1000 bar), serving mechanical engineering, oil and gas, offshore, energy, and hydrogen customers via project-based B2B contracts.
- Ownership category
- akta.pro rank
Eferest industry classification
Industry- Product category
- Industrial Pressure Vessels
- NAICS
- Other General Purpose Machinery Manufacturing (3339)
- SIC
- Special Industry Machinery, Nec (3559)
- akta.pro primary industry
- Pressure Vessels, Columns & Storage Tanks (ASME/Process Vessels) (IMAHAEAF)
- akta.pro secondary industry
- Outfitting Modules & Skids (Accommodation, Machinery, E-House, Pipe Racks) (IMAJAKAF)
Keywords
Where Eferest is headquartered
LocationHeadquarters
- HQ city
- Wilnsdorf
- HQ country
- Germany
- HQ region
- Europe
Offices2 records
Markets served
Eferest business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Pressure Vessel Sales: Sale of serially manufactured and customized pressure vessels including sandblasting vessels, pressure vessels, high-pressure vessels, and special vessels. Revenue generated from product sales with custom engineering services included.
- Customized Special Vessel Solutions: Full-service custom vessel development from initial consultation through planning, design, construction, acceptance, and delivery.
- Pipe Forming Technology: Manufacturing of pipe form parts including thick-walled pipes, vessel shells, nozzle pipes, bandage shells, hydraulic cylinders, flange rings, tube drums, conical supports and heads.
- Consulting and Engineering Services: Technical consultation, planning, detailed construction, and quality certification services supporting product sales.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom quotation based on specifications |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Eferest product offering
Product offeringCore offering
Eferest GmbH develops, designs, constructs and manufactures pressure vessels and pressure-bearing assemblies for industrial customers worldwide, including serially manufactured sandblasting vessels, standard pressure vessels (up to approximately 160 bar), high-pressure cylinders and spheres (up to 1000 bar), customised special vessels, pipe forming components, and modular hydrogen storage systems. The company provides full-service solutions spanning consultation, engineering, manufacturing, certification (PED, ASME, marine class), surface coating and delivery.
Product overview
Eferest is a manufacturer of pressure vessels and pressure-bearing assemblies. Its product portfolio is organized into six main categories: (1) Sandblasting and Conveyor Vessels — including the ECO/ECOS series and DoKa models for sandblasting and material conveying applications; (2) Pressure Vessels rated up to approximately 160 bar; (3) High Pressure Vessels (cylinders and spheres) rated up to 1000 bar; (4) Special Vessels — fully customised solutions for complex requirements; (5) Pipe Forming Technology — thick-walled pipes and formed components; and (6) Hydrogen Storage Vessels — available as pressure vessels (up to 40 bar), high-pressure cylinders (up to 500 bar), and high-pressure spheres (up to 1000 bar). The company offers both series-manufactured and individually engineered products, with services spanning consultation, design, manufacturing, quality certification, and surface coating. Products serve industries including mechanical engineering, plant construction, hydraulics, offshore, shipbuilding, hydrogen technology, and surface technology.
Differentiator
Problem solved
Functional benefit
Products and services
- Sandblasting Vessels ECO / ECOS
Companies that use Eferest
Customer profileNamed customers7 records
Segments4 records
Ideal customer profiles1 record
Eferest technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Eferest partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core and regional.
- STABO (at Hydrogen Technology World Expo)coreeferest and STABO jointly present hydrogen storage solutions at Hydrogen Technology World Expo 2025 in Hamburg, Hall B6 Stand 6N25. Both companies co-exhibit their recyclable storage systems for hydrogen storage under the H2 Storage Systems brand.
- STABO Stahlbau Boschgotthardshütte GmbHcoreSister company merged with eferest in 2023, expanding capacity through acquisition. The two companies are consolidating locations to the former Benteler halls site at Industriestraße 2 in Siegen. Both companies specialize in high-pressure solutions and will share infrastructure, combining strengths of two high-pressure experts with shared infrastructure and short communication/transport routes.
- D.D.E. Co., Ltd (South Korea)regionalInternational representative representing eferest in South Korea. Contact person is Angela Kim. Website: www.dongduck.com
- MGR. Petr Veselka (Czech Republic)regionalInternational representative representing eferest in Czech Republic. Contact persons: Petr Veselka and Lenka Mandova.
Scale indicators4 records
Recent moves8 records
Expansion highlights5 records
Eferest competitors and assessment
Company assessmentBroad incumbents
- Mueller Industries: Large US-based industrial manufacturer with a pressure vessel and storage tank division serving oil & gas, industrial, and HVAC markets. Acts as a broad incumbent competing on scale and pricing in commodity pressure vessel categories where Eferest also plays.
- Babcock Power: US-based provider of engineered boiler and pressure vessel solutions for power generation, oil & gas, and industrial markets. Acts as a broad incumbent in pressure equipment with much larger scale than Eferest but overlapping industrial customer base.
- Samuel Pressure Vessel Group: North American network of pressure vessel fabrication facilities producing ASME-coded pressure vessels at significantly larger scale. Represents a more capital-intensive, broader competitor that Eferest encounters on large industrial and hydrogen tenders.
Emerging players
- Haskel International: Manufacturer of high-pressure equipment including gas compressors, pressure vessels, and hydrogen compression systems. Direct overlap with Eferest's high-pressure and hydrogen product lines, particularly on the gas handling and storage side.
- Hydro-Pac: US-based manufacturer of high-pressure pumps, gas boosters, and pressure vessels, with strong presence in hydrogen and industrial gas applications. Comparable in high-pressure technical capability and target customers.
- Lenhardt & Wagner: German manufacturer of high-pressure compressors and related equipment, including breathing air, CNG, and hydrogen applications. Comparable as a German specialty high-pressure equipment maker serving hydrogen and industrial customers.
- Cryostar: Manufacturer of cryogenic and high-pressure equipment for hydrogen, LNG, and industrial gas markets. Competes with Eferest in the hydrogen value chain, particularly on storage and high-pressure gas handling.
Direct peers
- Mahler AGS: German specialty pressure vessel manufacturer producing high-pressure vessels, autoclaves, and custom equipment. Direct competitor in the German-speaking industrial pressure vessel market with similar customer segments.
- ATB Riva Calzoni: Italian pressure vessel manufacturer producing custom and standard pressure vessels for industrial, energy, and oil & gas applications, with similar ASME/PED certification capabilities. Closely comparable to Eferest in scope, customer base, and end-market mix.
- Bamicon: Dutch manufacturer of pressure vessels, heat exchangers, and related process equipment for industrial and offshore applications. Comparable in scale and product offering to Eferest's European industrial customer base.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Eferest social profiles
Digital presenceEferest compliance and trust
Trust signalCompliance34 records
Eferest financial estimates
Financial estimateRevenue estimate
Valuation estimate
Eferest leadership team
Management profileNumber of profiles
Profiles8 records
Eferest subsidiaries and ownership
Company hierarchySubsidiaries1 record
Eferest funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Eferest 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 Eferest
What does Eferest do?
Eferest GmbH develops, designs, constructs and manufactures pressure vessels and pressure-bearing assemblies for industrial customers worldwide, including serially manufactured sandblasting vessels, standard pressure vessels (up to approximately 160 bar), high-pressure cylinders and spheres (up to 1000 bar), customised special vessels, pipe forming components, and modular hydrogen storage systems. The company provides full-service solutions spanning consultation, engineering, manufacturing, certification (PED, ASME, marine class), surface coating and delivery.
Is Eferest a public or private company?
Eferest is a private company. It is classified as family owned and is currently operating.
When was Eferest founded?
Eferest was founded in 1939. It employs 11 to 50 people.
Where is Eferest based?
Eferest is headquartered in Wilnsdorf, Germany, in the Europe region.
How does Eferest make money?
Four revenue lines are on record. Pressure Vessel Sales are the primary driver. The others are customized Special Vessel Solutions, pipe Forming Technology and consulting and Engineering Services.
Who are Eferest's main competitors?
Broad incumbents on record are Mueller Industries, Babcock Power and Samuel Pressure Vessel Group. Emerging players are Haskel International, Hydro-Pac, Lenhardt & Wagner and Cryostar. Direct peers are Mahler AGS, ATB Riva Calzoni and Bamicon.
Does Eferest have an API?
No public API is recorded for Eferest.
What industry is Eferest in?
Eferest's product category is Industrial Pressure Vessels. Its primary akta.pro industry code is IMAHAEAF, Pressure Vessels, Columns & Storage Tanks (ASME/Process Vessels), with a secondary code of IMAJAKAF, Outfitting Modules & Skids (Accommodation, Machinery, E-House, Pipe Racks). Its NAICS code is 3339 and its SIC code is 3559.