- Caleffi-a manufacturer of high-quality heating, plumbing, air conditioning, heat accounting systems and renewable energy systems components for residential and industrial premises.
- In 2016, more than 1000 employees across the globe worked in the company.
- The company constitutes 12 subsidiaries.
- Caleffi production comes from three factories in Italy.
- Caleffi Company has more than 70 active markets.
- The research centre and the AVS automatic vertical warehouse provide even faster and more punctual delivery of shipments.
- In both Olsberge and Brilone, the company has a total of 800 employees.
- For heating, plumbing and industrial applications, the company offers a wide range of over 4.000 products.
- Oventrop products and systems meet the highest quality standards. Oventrop's high-quality base is thoroughness during production and modern machinery.
- It goes without saying that the firm was one of the first to be certified according to DIN-EN-ISO 9001.
- The blanks are made in the foundry and pressing workshop and are further processed with modern turning machines with digital control.
- Oventrop products are distributed throughout the world through subsidiaries and representations abroad.
- Oventrop aims to provide long-term benefits to market partners.

- Armacell manufactures and delivers high quality and innovative engineering systems around the world.
- Armaflex® ACE Flexible elastomeric insulation is designed for air conditioning, ventilation heating and plumbing equipment.
- Armaflex Arma-Check® Silver provides an attractive silver-coloured look with top notch easy-to-clean surface protection.
- Armaflex® Ultima is a new fire safety standard for flexible technical insulation.