Markus Holzke

SPIE GmbH provides multi-technical services in the areas of energy and communications. Its products include pharmaWERK, fertigungsWERK and dataWERK. The firm's service portfolio includes the planning, installation and operation of mechanical and electrical systems, HVAC systems, information and communications technology and security systems. The company was founded in September 2013 and is headquartered in Essen, Germany.

SPIE SAG GmbH supplies electrical power, gas, water and telecommunication network services. It offers products and services in the areas of power generation, transmission networks, distribution grids, information technology solutions, industrial solutions, construction solutions, and research centers. The firm provides services such as electrical installations, automation and instrumentation field engineering, assembling of transmission lines, pipeline construction, construction of distribution grids, consulting for the use of network and asset data, project management, as well as civil and hydraulic engineering. The company was founded on August 11, 1916 and is headquartered in Langen, Germany.

SPIE SAG Group GmbH provides energy distribution and infrastructure development services. The firm’s products and services include power generation, transmission networks, distribution grids, IT solutions, indsutrial solutions, construction solutions and research centers. It specializes in the construction and operation of electrical power, gas, water, telecommunications network systems and facilities. The company was founded in 1916 and is headquartered in Langen, Germany.

Part of SPIE SA, SPIE Deutschland & Zentraleuropa GmbH is a German company that provides electrical testing and energy transmission services. The company is based in Ratingen, Germany. The company was founded in 1900. The CEO is Markus Holzke.

Part of SPIE SA, SPIE Information & Communication Services GmbH is a German company that provides information technology services. The company is based in Hannover, Germany. The CEOs are Markus Holzke, Michael Hartung. The company was founded in 2020.