AS-TECHNOLOGY SRL is the first manufacturer of Photovoltaic modules from San Marino. It combines most modern production procedures and high-quality materials with permanent advancements in the internal development lab. The results are excellent products with the highest possible efficiency.

The Bundesverband Solarwirtschaft is a branch union of approximately 750 solar enterprises of the Federal Republic of Germany. And it campaigns for quick market introduction of solar electricity and solar warmth - So you as a consumers can also contribute to the protection of our climate with an own solar plant.

General Electric Energy is one of the leading suppliers of technologies, products and services within the energy sector. The company offers a comprehensive pallet of solutions for the entire energy value creation chain starting from current supply and energy conversion and reaching to linking, use and services.

The KACO new energy GmbH with headquarter in Neckarsulm is a specialist for static inverters of all kind. By far, the biggest part of turnover stems from Photovoltaic inverters and accessories for process monitoring. With 200.000 devices delivered devices, KACO is one of the leading manufacturers world-wide.

Power One is one of the world-wide largest manufacturer of inverters and energy management solutions and offers “green” energy saving products for the most diverse ranges of applications.

In energy engineering REFU electronics GmbH offers solutions in hard and software for renewable energies both in the production and in the distribution. Within the field of energy engineering inverters of REFU are characterized by their high efficiency as well as their reliability.

Scheuten Solar is a world-wide active innovative and market leading company, which develops, manufactures, concepts and sells Photovoltaic solar modules and Photovoltaic complete solutions. The Photovoltaic manufacturing plant for Multisol® is stationed in Gelsenkirchen; The most modern production lines for the production of solar modules in all of Europe are located here.

The Schletter solar mounting systems are developed as modular construction kit systems with universally usable high-quality components (aluminum/high-grade steel). They make it possible for the installer to install each module in nearly any given assembly situation.

The Jiangsu Shunda Group corporation is a High Tech enterprise with focus on the Photovoltaic (PV) industry.

The SMA Solar Technology AG develops, manufactures and distributes highly efficient solar inverters and monitors for Photovoltaic systems in any plant size, all performance classes and every net requirement world-wide - independent of the type of the used solar modules.

The Sputnik Engineering AG is specialized in the development, the distribution and maintenance of grid connected solar inverters. With the SolarMax series the enterprise with head office in Biel (Switzerland) offers a broadly diversified product range from string inverters for the single family house and central inverters for solar power stations.

SunPower develops solar technology which breaks all records, since the 1970's. Today the enterprise is leading world-wide with the development of high-efficient solar solutions for homes, enterprises, commercial buildings and power suppliers.

Suntech is leading world-wide in design and in production of innovative solar power solutions for many different customers and applications. The research and development team in Wuxi, China continues to make important technology advancements with products for solar energy generation.

Trina Solar Limited (TSL) is an internationally respected manufacturer of mono and multi-crystalline Photovoltaic modulesn (PV-modules). The enterprise created in China in 1997, which focus originally was on the installation of PV-systems, is considered a pioneer in this area.

The Yingli Green Energy Holding Company Limited, which holds the brand Yingli Solar, is one of the world-wide leading solar energy enterprises and one of the largest manufacturers of Photovoltaic technology.