Trenchless Technology HDD drilling machines and piercing tools
TERRA AG - Company Profile

TERRA - Trenchless technology «made in Switzerland»

Since 1975 TERRA develops and manufactures high-end technology systems for trenchless underground pipe and cable laying. With their headquarters based in Switzerland TERRA‘s research and development unit creates pioneering solutions distributed world wide. With state-of-the-art technology TERRA machines lay pipes for electricity, telecom, and water, environmentally friendly they remove the need for an excavator to dig the road.

What you may expect from us

To achieve this extraordinary challenge we provide our customers ultimate precision and performance on the job site in various conditions. Reliability with minimal maintenance
cost for our machines is one of our key commitments. With powerful, compact and user-friendly product lines TERRA is one of the global leading players and the largest Swiss manufacturer of construction equipment for underground pipe laying.

Owner of the company

Dietmar Jenne

TERRA has been founded by Dr. Ing. Gustav Jenne in 1975. His son Dietmar Jenne took over the executive management in 1985. Since 2010 his children Mirjam Jenne (Lic. iur.) and Benjamin Jenne (MSc ETH Civil Engineer) have been leading the operational business and it‘s R&D department since then. As a family-owned firm in its 3rd generation TERRA is maintaining traditional values and provides a unique environment for employees. Our key focus is to generate best solutions for our customers and partners at any time. Our core values and strong commitment underpin a sustainable and healthy growth through the last years. The economic and social responsibility is part of our daily mindset.

Foundation in 1975

TERRA AG has been founded in 1975 by Dr. Eng. Gustav Jenne. He was the inventor of several patents for the piercing tools. With his enthusiasm and his passion for trenchless technology, he inspired people all around the globe. With his innovation and his vision of a «Trenchless World» he lay the foundation of the trenchless technology as we know it nowadays.

Headquarter Switzerland

Firmensitz TERRA AG Reiden Switzerland

In 2010 TERRA proudly announced the opening of the new built headquarters in Reiden (canton Lucerne) situated in an industrial area of well known global tech companies. The smart design allows a smooth and direct transaction between production and sales.This facility has proved successful ensuring we remain one of the most innovative company's in this field.

Research and Development (R & D)

TERRA AG invests 8-9 % of their yearly turn over in research and development. More than 75 patents protect the new ideas of TERRA AG from being copied by competitors.

Sustainable Values

TERRA decided to invest in 2023 in a sustainable photovoltaic system. It is an important contribution to the shift away from fossil fuels towards renewable energy supply. With a peak output of 268 kWp (260,000 kWh per year), this solar power plant produces twice as much electricity as TERRA itself needs. The excess electricity goes into the local electrical grid system.


TERRA AG für Tiefbautechnik - Hauptstrasse 92 - 6260 Reiden - Schweiz - Tel. +41 62 749 10 10 -