Edison International is a public utility holding company based in Rosemead, California. Its subsidiaries include Southern California Edison, and un-regulated non-utility assets Edison Mission Energy and Midwest Generation, power producers, and Edison Capital. Edison's roots trace back to Holt & ...

Edison International is a public utility holding company based in Rosemead, California. Its subsidiaries include Southern California Edison, and un-regulated non-utility assets Edison Mission Energy and Midwest Generation, power producers, and Edison Capital. Edison's roots trace back to Holt & Knupps, a company founded in 1886 as a provider of street lights in Visalia, California.