Elex AG

Elex AG

ELEX AG (ELectrical EXtraction) was founded in 1934 and is a Swiss family-run company with branch offices in India, China and Germany. For over 80 years the company has focused on its core competencies - the flue gas cleaning - and thus established itself worldwide as one of the market leaders in this sector. Over 7000 units installed worldwide are the evidence of the always highly specialized engineering of ELEX, which has been constantly kept up to date over the decades. ELEX plants are designed for flue gas amounts of at least 20,000 cubic meters per hour. There is no limit to the top.

Company details

Eschenstrasse 6 , Schwerzenbach , 8603 Switzerland
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Business Type:
Industry Type:
Air Filtration
Market Focus:
Globally (various continents)
Year Founded:

This company also provides solutions for other industrial applications.
Please, visit the following links for more info:

2017 – Takeover of ELEX CemCat AG by Thyssenkrupp Industrial Solutions -

In 2017, the Joint Venture ELEX CemCat AG was taken over by Thyssenkrupp Industrial Solutions. CemCat was integrated as business unit into Maerz Ofenbau AG, based in Zurich. Maerz Ofenbau AG, a subsidiary of Thyssenkrupp Industrial Solutions, is the world market leader for lime shaft kilns.

2012 - Founding ELEX Financial Services -

ELEX Financial Services was founded for the administration of ELEX group as well as the acquisition of external trust clients.

2010 - Founding ELEX China -

To strengthen the presence in China, in 2010 ELEX China was founded, headquartered in Changzhou. Since then, ELEX China has built more than 10 plants, mainly electrostatic precipitators and DeNOx plants.

2009 - Founding ELEX CemCat -

The growing requirements for the flue gas cleaning in the cement industry demands the best innovative solutions. Therefore, thyssenkrupp Industrial Solutions (former Polysius AG) and ELEX AG have established a joint venture in 2009:
ELEX CemCat AG for catalytic flue gas cleaning in cement plants. The first plant was commissioned in Joppa (USA) in 2013.

2008 - Founding SMS ELEX -

To strengthen the activities in the field of environmental technology, ELEX AG founded together with SMS Siemag AG in the year 2008 a new company SMS ELEX AG, headquartered in Schwerzenbach. SMS ELEX AG sells and builds dry- and wet-type round electrostatic precipitators of a new generation for steel mills. The first round electrostatic precipitator was commissioned in 2014 in Cilegon (Indonesia).

2003 - Assignation of SCR patent -

After ELEX AG had already built pilot systems for catalytic denitrification of flue gases in cement plants in the 1990s, ELEX received the patent for this product in 2013 The first industrial plant was finally built and commissioned  in 2006 in Monselice (Italy).

2002 - Takeover ELEX India -

In 2002, ELEX took over the majority of the previous licensee ETS-ELEX (India) Pvt. Ltd. Mt based in Thane. The company name was changed to ELEX INDIA PRIVATE LIMITED. ELEX India has built and commissioned over 500 plants since: mainly electrostatic precipitators, but also hybrid filters, detarrers, bag houses (pulse jet and reverse air) and wet ESPs.

ELEX AG and ELEX India characterize a close cooperation.

1998 - Commissioning of the first hybrid filter -

ELEX AG introduces the combination of fabric and electrostatic filters: the hybrid filter.

The first plant was built and commissioned in Fumane (Italy). In the following years many other hybrid filters were built.

1995 - Certification by ISO 9001 -

According to ISO 9001 standards in order to meet customers requirements, ELEX implements a quality management system. Thus, the quality of the products and hence the customer satisfaction will be ensured.