Welcome to HANS LEFFER GMBH & CO KG
The company was founded on February 1, 1946, by Hans LEFFER and is still 100% family-owned today.
LEFFER combines many years of experience in complex engineering and manufacturing for demanding markets with a focus on product quality, reliability, and performance.
- Design and manufacture of equipment (pressure vessels & heat exchangers)
- Machines and accessories for heavy-duty work
- Gasometer (MAN type)
- steel construction
- On-site assembly
LEFFER offers:
- Customized technical solutions
- Shortest delivery times
- On-time deliveries, especially for “urgent orders”
- Quality and reliability of our products
- Our goal is to develop complete solutions together with our customers.
EX
CEL
LENCE
CEL
LENCE
Our areas of expertise
Leading Solutions for every challenge.
Vessels:
of the highest quality
LEFFER is one of the world’s leading manufacturers of reactors, pressure vessels, and heat exchangers.
Machinery:
Intelligent systems for maximum performance and efficiency
LEFFER construction machinery has been used worldwide for over 40 years and today shapes the Hong Kong skyline.
Gasholders:
Specialist in complex container systems, e.g. for hydrogen projects
LEFFER can draw on experience in gas tank construction from over 100 projects worldwide.
Industrial Services:
on time and with precision
LEFFER has around 200 employees permanently employed on construction sites, where they carry out a wide range of assembly work.
Piping:
Complete plant construction: planning, assembly, testing
LEFFER is your point of contact for complete pipeline construction using materials such as heat-resistant, cold-tough, and pressurized hydrogen-resistant materials.
Structural Steelwork:
from all areas of traditional steel construction and plant engineering
Since 1946, LEFFER has been manufacturing, supplying, and assembling steel structures for all areas of traditional steel construction and plant engineering.

Career &
Training
Leading Solutions for People.
Are you looking for meaningful work? Come to LEFFER. Whether you are a skilled worker, career changer, or apprentice, you will find technology, team spirit, and prospects with us.
- Modern workplaces in manufacturing, assembly, and engineering.
- Our own training workshop for your future-focused education
- Family atmosphere, secure jobs, genuine development
For us, quality is a responsibility – because reliability determines the value of a product.
Shall we start your project together?
News & Trade fairs
We are, where the future begins.
01.12.2025
LEFFER Heat Exchangers
High-Performance Heat Exchangers for Today’s Process Industries
In Oil & Gas, Refining, Hydrogen and FPSO applications, the demands on Heat Exchangers have never been higher. Rising …
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26.11.2025
LEFFER Casings
LEFFER drill pipes are among the most important components in special civil engineering, especially for grab drilling, kelly drilling, and cased drilling methods. Our drill pipes are available …
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26.11.2025
LEFFER x MINT 4 Saar
As a new partner of MINT4Saar e.V., we support the mission of inspiring young people in Saarland to engage with science, technology, engineering and mathematics.
After all, the future is …
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19.08.2025
It’s all about power
LEFFER, based in Germany, is already known worldwide as a manufacturer of machines for special requirements.
In order to sink drill pipes with diameters of up to 3.3 m to a drilling depth of …
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