About us
About us
History
Prequalification
References
Contact
About Us
The company behind the construction site.
History
Serving civil engineering since 1961.
Prequalifications
Qualifications that build trust.
Services
Track Construction
Track Superstructure
Railway Cable Construction
Sewer Inspection & Cleaning
Control & Safety Technology
Railway Civil Engineering
Civil & Sewer Construction
Cable & Fiber Optic Expansion
ECM Service Partner
Road & Asphalt Construction
Material Supply & Recycling
Tunnel Rehabilitation & Earth Drilling
Connecting the future with the existing
.
Project inquiry
Contact page
By phone
In person
Our range of services
.
Track Construction
Superstructure
Trackside Cable Construction
Sewer Inspection & Sewer Cleaning
Signalling and Safety Technology
Trackside Civil Engineering
Civil Engineering & Sewer Construction
Cable and Fibre-Optic Expansion
Road and Asphalt Construction
Material Supply & Recycling
ECM Service Partner
Tunnel Rehabilitation & Earth Drilling
Learn more about our wide range of services and the breadth of our expertise.
References
Railway Construction: Hochrhein
ECM
Career
Career
Application
All Job Openings
Skilled trades
Technical professions
Commercial professions
Apprenticeships & Internships
Working at Klefenz.
Careers
Application
Work at Klefenz
All Job Openings
Trade Positions
Engineering & Technical Positions
Commercial & Administrative Positions
Apprenticeships & Internships
Contact
News
Railway Construction: Hochrhein
DE
EN
OUR TEAM
THE PEOPLE BEHIND KLEFENZ
.
Commercial Contacts
All Team Members
Management
Construction Management
Commercial Contacts
Daniel Klefenz
Property Rentals
Philipp Etspüler
Authorized Signatory & Estimator
Ramona Basler
Accounting
Alina Wölm
Accounting
Marina Welte
Accounting
Thomas Maier
Disposition
weiter
Our History
From the company’s founding in 1961 to the present day – more than six decades of civil engineering, documented through images, milestones and stories.
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Sustainability
Own gravel pit, own recycling yard, closed material cycles – showing how Klefenz puts circular economy into practice.
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Prequalifications
DB prequalification, ECM certification, audited signalling and control technology – all credentials at a glance.
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Learn More
