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Great Plains Energy is sweeping the fruited plains with electric light. The holding company serves more than 820,000 electricity customers in Missouri and eastern Kansas through regulated utility Kansas City Power and Light (KCP&L) and KCP&L Greater Missouri Operations Company (which serves customers in Missouri through Missouri Public Service and St. Joseph Light and Power).
Halex Co is a Bedford, OH-based company in the Energy and Utilities sector.
Applied Power Systems is a Maryland Heights, MO-based company in the Energy and Utilities sector.
Arens Electric is a Englewood, CO-based company in the Energy and Utilities sector.
Northeast Utilities is a publicly traded, Fortune 500 energy company headquartered in Hartford, Connecticut,with several regulated subsidiaries offering retail electricity and natural gas service to more than 2.1 million customers in New England. Even before the 2012 merger with NSTAR, NU was New England's largest public utility, with more than 3,140 circuit miles of electric transmission lines, 32,802 pole miles of distribution lines throughout the region, and a natural gas distribution system encompassing 2,088 square miles (5,000 km2) in Connecticut.