Amazon is a US technology and retail company spanning e-commerce, cloud computing (AWS), digital streaming, devices, and logistics, founded in 1994 and headquartered in Seattle. Its sustainability work centers on The Climate Pledge to reach net-zero carbon by 2040, renewable energy, and fleet electrification.

SAP SE is the world’s leading enterprise application and business software company, best known for its ERP and cloud solutions, headquartered in Walldorf and founded in 1972. Its sustainability agenda embeds ESG into corporate strategy, targeting net-zero across the value chain by 2030.

Deutsche Telekom AG is one of the world’s largest telecommunications companies, providing fixed-line, mobile, internet, and IT services including through its T-Mobile brands, headquartered in Bonn and founded in 1995. Its CR strategy spans climate protection, digital inclusion, cybersecurity, and responsible supply-chain management.

Siemens AG is a German multinational technology company focused on industrial automation, digitalization, smart infrastructure, rail transport, and healthcare technology, headquartered in Munich and founded in 1847. Its DEGREE sustainability framework centers on decarbonization, resource efficiency, circularity, and enabling customers to avoid CO2 emissions.