DELTEC, founded by DEHN + SÖHNE and Elsic, combine their experience and know-how in the field of safety equipment. Both companies specialise in occupational safety when working with electrical systems. Their product ranges complement one another and are identified as the Deltec safety program.

HAUPA is a leading designer and manufacturer of safety tools and materials for electro-technical applications, and has been supplying its customers in more than 30 countries for over 40 years.

TRIDELTA is one of Europe's leading manufacturers of magnetic materials and components. The company evolved in 1997 and offers a wide range of metal oxide arresters for voltages from 250 V - 800 kV. Arresters are characterised by low protective levels and high safety in operation. A wide range of housings made of porcelain and polymer permits optimal use, even in extreme climatic conditions.

Established in 1970, Surge Technology, trading as Surgetek, specialises in all aspects of lightning and surge protection. Since its inception, the company has played a leading role in drafting relevant SABS earthing and lightning protection codes, and its highly experienced staff has served on various SABS IEC liaison committees. Surge Technology is listed with the ISO 9001 Quality Assurance Programme and certification was awarded during July 1999.