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Firmengebäude 1994



Founded as Esders Ingenieurbüro GmbH with headquarters in Bielefeld.


Move to Haselünne

Relocation of the company headquarters to Haselünne. Construction of an office and production building with approx. 250 m² floor space.


Launch of GasTest alpha

Sales launch of the GasTest alpha as the first device on the market with menu navigation – today the standard of device operation.


Expansion of the company headquarters in Haselünne

Extension of the office and production building by approx. 500 m² usable area.

The upper floor, designed as a reserve area, is also fully occupied – only 12 months later.


Esders B.V. Netherlands

Founding of Esders B.V. in the Netherlands.

Expansion of the company headquarters in Haselünne​

Move into another office, seminar and production building with approx. 500 m² floor space.


Esders China Ltd. and Esders Polska

The path to international business is strengthened by the founding of subsidiaries in China and Poland.


Expansion of the company headquarters in Haselünne​

Doubling of the production and service area by approx. 1,000 m² floor space with an investment of approx. € 1 million.


25th company anniversary

In May 2014, we celebrated our 25th anniversary and organized a “Technology Day.” All customers were invited to take a look at our company in Haselünne. In addition to various device demonstrations and briefings, we gave lectures on current topics and carried out extraordinary experiments.


Corporate Health Management

Introduction of occupational health management.

Employees are the most important asset for a company. Therefore, we do not just want to support our employees with regard to their families, but we simply want to do more especially concerning their health and well-being. In 2015, we hired a physiotherapist who offers in-house sports courses and back training. Marion Schwaeke also carries out individual health consultations and offers consultation hours four days a week.



Acquisition of our own mechanical production with CNC production machines.

With the help of these machines we can produce mechanical components, such as manufactured front panels and sensor chambers, as well as many probes and accessories ourselves and are no longer dependent on suppliers in the future. This allows us to respond more flexible to customer requests or simply react faster.



Development of a new device platform with extended possibilities for communication and data transmission.

As a result, the new GasTest delta3 has significantly improved possibilities for automated measurements on interior gas installations. In addition to that, it offers the possibility of house connection testing via external pressure sensors.


Extension of 800 m²

Extension of a 800 square meters for production and our warehouse with an integrated, robot-controlled, central automatic warehouse.

With the fourth extension, we now have a total production area of 3,000 square meters.


30th company anniversary

Internal company celebrations with employees and neighbours.

We had a great party with our colleagues, partners and our children!


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