Emerson Electric Co. builds industrial automation hardware and software for manufacturers, energy and utilities, and other process-intensive industries. Its portfolio includes Fisher control valves, DeltaV and Ovation control systems, Rosemount measurement and sensing, and lifecycle services, with software partnerships and holdings such as AspenTech. Founded in 1890 and headquartered in St. Louis, it is a public company (NYSE: EMR) serving markets like energy, chemicals, life sciences, power, and food and beverage.