EFB-Elektronik GmbH is a leading manufacturer and system provider of networking technology and industrial system solutions. Our expertise ranges from structured cabling using certified high-end products for data centres to custom developments for industrial clients.

Our team services customers worldwide from our headquarters in Bielefeld, Germany. Our customer base includes renowned household names from the IT and security industry, as well as medium sized companies and large corporations.

Our membership in the international TKH Group based in the Netherlands, with more than 6,500 employees and production facilities around the globe, gives us additional leverage for the benefit of our customers. The EFB group of companies has 330 employees across nine locations in Europe, five of them in Germany, three subsidiary companies located in Istanbul, Copenhagen and Vienna and one production site in Slovakia.

The current turnover of the TKH Group amounts to 1.3 billion Euros (2020). With a sales volume of 66 million Euros (2020), the EFB-Elektronik GmbH ranks among the leading companies of the group.


The assembly of copper wires commenced in 1988 and represents the starting point of our success story in Bielefeld. Demand and industrial structures grew rapidly and a new manufacturing facility was constructed within a short time. The cornerstone for EFB-Elektronik GmbH had been laid and the company has been growing ever since. 

Our Mission Statement

“Our mission is to do everything it takes to make our customers even more successful.” Robin Ohle, Director of EFB-Elektronik GmbH.

The hallmark of EFB-Elektronik manifests in top-quality products and processes. This includes a service-oriented approach delivering added value to our customers: We have great expertise in finding ideal solutions. |Learn more|

Core areas of expertise

Powerful and fail-safe communication networks are crucial parameters for the success of our customer’s business. They expect investments to reflect positively in their operational result: by increasing productivity, reducing downtime and maintenance costs. This is why we do everything it takes to assist our customers in achieving their goals.

our product portfolio

Easy to use, strong in application and of the greatest value for the user. Quality is one of the outstanding features of our wires. By complying with standards and qualified production processes pursuant to UL E-337915, DIN EN ISO 9001:2015 as well as ISO 14001:2005, we guarantee quality at the highest level. |Learn more|

Comprehensive service

Our goal is to always offer the best possible service to our customers. Therefore, we consistently orient ourselves to the needs of our customers and enable numerous advantages.

Our production

In Germany, EFB-Elektronik is represented with two production sites in Bielefeld and Sonneberg. The well-balanced mixture of modern technology and precise handcraft ensures that our products meet the high quality standards of our customers. Our expertise lies in speed and flexibility. |Learn more|

Premium brands

Our brands are renowned across Europe for representing top-quality cabling systems. In the area of structured cabling systems, EFB-Elektronik offers our two strong brands INFRALAN® (shielded cabling system) and ECOLAN® (unshielded cabling system).

Company movie

Versatile, competent, flexible - these are the catchwords that embrace EFB-Elektronik in our company movie. Watch the movie and learn more about our company and products!

Our 25-year system warranty

The 25-year INFRALAN® system warranty provides the necessary investment protection. This ensures compliance with the transmission properties of structured copper and fiber cabling according to norms and standards valid at the time of installation.

Management Systems

All our processes use an integrated and certified management system, which includes Quality Management, Occupational health and safety Management and Environmental protection Management. |Learn more|

Quality Assurance

The assurance of quality for manufactured products is an important part of quality management. It has become one of the decisive parameters in a competitive market. EFB-Elektronik employs quality assurance in all areas, such as testing planning, testing execution and computerised testing data processing.

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