
What does TER do?
TER GmbH is a manufacturer of automatic door systems for elevators and public transport. Both divisions offer a variety of customized solutions, developed and manufactured to meet specific market requirements. Our decades of experience as a manufacturer are reflected in the design of our products, ensuring performance, reliability, and availability.

Our vision
We are shaping the mobility and elevator technology of tomorrow – with innovative door systems that combine safety, reliability, and comfort.

Our path
We develop door systems that seamlessly connect technology and everyday life – from the initial idea to a reliable solution in use.

Our approach
We rely on technical excellence, collaborative partnerships, and customized solutions – so that our door systems meet the highest standards worldwide.

TER door systems stand for innovation and security. Featuring state-of-the-art drives and precise control technology, they enable smooth operation in everyday life – whether in elevators, trams, or buses. At the same time, we rely on durable materials and energy-efficient concepts that reduce maintenance requirements and promote sustainability. Our solutions combine comfort, reliability, and technical excellence – thus shaping the mobility and building technology of the future.

1994
The beginnings of TER
With the founding of TER GmbH for automatic door systems by Messrs. Thiel , Evren , and Rochholz , the story of a company rethinking door drives began. The vision: to develop safe, durable, and reliable door solutions for elevators – made in Germany.


1995
Start of production of the patented ELS® sliding door
Just one year after its founding, TER began manufacturing the patented ELS® sliding door for elevators. At the same time, it began supplying leading railway and municipal utilities with spare parts for door systems—the beginning of many long-term partnerships in the rail industry.


1997
First participation in Interlift in Augsburg
TER is exhibiting for the first time at Interlift, the leading international trade fair for elevator technology. This participation marks the beginning of international visibility and lays the foundation for growing brand awareness.


2000
Certification according to DIN ISO 9001:2000
With certification according to DIN ISO 9001:2000, TER underscores its commitment to the highest quality and precise process standards. The company established a certified quality management system that continues to set the standard for all its processes.


2003
New door drives
TER introduces controlled door drives (GTU) for elevator modernizations.


2003
Acquisition of the folding door division
The folding door division of Kiekert/Knorr-Bremse is being acquired – a strategic step that specifically expands the product portfolio.


2008
Entry into the bus area
With its premiere at the IAA in Hanover, TER successfully entered the bus door market, opening up new markets for the company in public transport.


2012
System supplier and foundation in Turkey
TER develops into a system supplier for bus and tram doors. In the same year, the first international location is established with the founding of TER Ltd. in Bursa, Turkey – a milestone in the company's global presence.


2013
Move and award for 20 years of Interlift
TER is moving to modern facilities in Velbert to strengthen production and development. The company is honored by AFAG for 20 years of successful participation in Interlift – a testament to its continued industry presence and commitment.


2020
System supplier for platform screen doors
The product portfolio is being expanded again: TER becomes an official system supplier for platform screen doors. This strengthens the company's position as a comprehensive provider of door systems for public transport.


2021
Transfer to family hands
The company is fully owned by the Evren family, making TER a true family business, not only technically but also structurally.


2021
Certification according to DIN 6701-A1
TER meets the high requirements of DIN 6701-A1 for adhesive technology in rail vehicle construction.


2024
30 years of TER GmbH
TER is celebrating 30 years of company history. Today, the company is an internationally recognized system supplier for innovative door solutions in the elevator, bus, and rail sectors – with the same commitment to quality, reliability, and progress as on its very first day.

Successes
For over three decades, TER has stood for innovation, quality, and reliability. Our door systems not only shape the elevator and mobility market, but also set global standards for safety, efficiency, and modern design. The following milestones demonstrate how we have continuously expanded our position as a leading manufacturer.

Since its founding in 1994, TER has been developing and producing innovative door systems. Our many years of expertise enable us to respond flexibly and precisely to every market requirement.

Our sliding doors are featured in numerous bus and train models. TER systems are synonymous with reliability in everyday local and regional transport.

Today, our door solutions are in use worldwide. This global reach strengthens our role as an internationally recognized partner for elevator and transportation systems.

In addition to quality, we focus on resource-saving production, energy-efficient technologies, and modern design. This enables us to create sustainable solutions for the mobility and urban spaces of tomorrow.

Bunsenstrasse 6
42551 Velbert
Germany