Siemens is the largest engineering company in Europe. With their positioning along the electrification value chain, Siemens has the knowhow that extends from power generation to power transmission, power distribution and smart grid to the efficient application of electrical energy. Featured Subsidiaries/ Business Units: - Digital Factory - Siemens Technology to Business (TTB)

Schneider Electric is a leading global manufacturer of equipment for electrical power distribution and for industrial control and automation. The company helps power generators distribute electricity; designs automation systems for the automobile and water treatment industries; builds electric networks and utility management systems for energy, water treatment, oil and gas, and marine applications; and manages electric power in residential, industrial, and commercial buildings.Year founded: 1836Revenue: $26.0 billion (2014)EPA: SUFeatured Subsidiaries/ Business Units:- Avantis- Wonderware

Rockwell is a provider of industrial automation power, control and information solutions that helps manufacturers achieve a competitive advantage for their businesses. Rockwell operates in two segments: Architecture & Software, which deals in hardware, software and communication components of the organization, and Controls Products & Solutions that handles a portfolio of intelligent motor control and industrial control products, application expertise and project management capabilities.