References

As a group of competent and successfully established construction companies, the Eiffage Infra-Bau Group offers a wide range of services and a high level of in-house production depth. The Eiffage Infra-Bau Group is comprised of companies with strong regional roots as well as specialized companies operating throughout Germany.

ISS helps users of buildings and real estate around the world to work more efficiently. In partnership with its customers, ISS promotes the commitment and well-being of users, minimises the impact on the environment and protects property. ISS achieves this by intelligently linking data, insights and service excellence.

In 2016, Deutsche Bahn carried around 4.4 billion passengers on its trains and buses. DB's logistics companies transported 277 million tonnes of freight by rail in 2016.

The Droege Group (founded in 1988) is an independent consulting and investment company, fully family-owned. The company acts as a specialist for tailor-made transformation programmes with the aim of increasing the value of the company.

alltours, since its inception more than 40 years ago, has been focused on growth and has developed into the largest independent tour operator in Germany. The company offers a wide range of travel products; each year 1.8 million travellers book with alltours.

The Nordrheinische Ärzteversorgung - NÄV for short - designs retirement, occupational disability and survivors' benefits for more than 58,000 members and over 20,000 beneficiaries in the North Rhine region. As a reliable and experienced partner, we provide our members with the best possible benefits and first-class service.

Borussia VfL 1900 Mönchengladbach GmbH operates its own website with ongoing articles, its own online shop and the ticket booking system for its football matches. We are very pleased to be able to support this as a hardware location provider.

Bauwatch offers surveillance and security solutions and takes over the complete scope of security so that customers don't have to. Bauwatch delivers customised solutions with modern video technology and its own control centre that acts quickly and competently.