AirTrona International Inc. (ARTR)

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Union Gas Limited, one of Canada's Top 100 Employers for 2013, is a major Canadian natural gas storage, transmission and distribution company based in Ontario with over 100 years of experience and service to customers.

The distribution business serves about 1.4 million residential, commercial and industrial customers in more than 400 communities across northern, southwestern and eastern Ontario.

Union Gas's growing storage and transmission business offers premium storage and transportation services to customers at the Dawn Hub, the largest underground storage facility in Canada and one of the largest in North America. It offers customers an important link in the movement of natural gas from Western Canadian and U.S. supply basins to markets in central Canada and the northeast U.S.

http://www.uniongas.com/aboutus/index.asp

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