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PLH Group started in 2009 by forming Power Line Services as the first business unit to provide energy focused construction and related services. Today, PLH Group is a leading, full service power line construction, pipeline construction and specialty contractor that serves the electric power line, pipeline, oil field electrical and industrial markets. We have assembled a North American team of top quality companies that deliver comprehensive services for the broad range of needs of our energy customers.
SEMCO Energy, Inc. is engaged in natural gas distribution operations in Michigan and Alaska. The Company's Michigan operation is referred to as SEMCO Gas, while the Alaska operation is called ENSTAR. SEMCO Gas is a division of the Company. The ENSTAR
Webb Electric Co is a Pensacola, FL-based company in the Energy and Utilities sector.
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.
Atchison Propane Service is a Wofford Heights, CA-based company in the Energy and Utilities sector.