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Southern Company Gas, formerly AGL Resources Inc, is a natural gas-only distribution company. The Company operates in four operating segments: distribution operations, retail operations, wholesale services and midstream operations. The Company's distribution operations segment is engaged in providing natural gas to residential, commercial and industrial customers. The retail operations segment is involved in the provision of natural gas commodity and related services. The wholesale services segment is engaged in natural gas storage, gas pipeline arbitrage and provides natural gas asset management and related logistics services for its utilities, as well as for non-affiliated companies. Midstream operations segment consists primarily of natural gas storage facilities and select pipelines, enabling the provision of diverse sources of natural gas supplies to its customers.

Pond Technologies Holdings Inc, formerly Ironhorse Oil & Gas Inc, is a Canada-based company that offers an algae growing platform, which converts carbon dioxide (CO2) into algal-based commercial products. As a pollution abatement technology, Pond Technologies Holdings Inc's algae growing platform converts the CO2 found in the untreated stack gas of industrial emitters into biofuels, animal feeds and natural fertilizers. For the Nutraceutical Market, Pond Technologies Holdings Inc's algae-growing platform transforms food-grade CO2 into algae strains such as Chlorella, Spirulina and Astaxanthin, all of which are used as health food additives and supplements. The Company partners with Saint Mary's Cement and the National Research Council of Canada to show that algae can be used to eliminate the greenhouse gas emissions from industrial facilities, transforming these emissions into bioproducts including biofuels, fertilizers, and animal feeds.

Ring Energy, Inc., an independent oil and natural gas company, engages in the acquisition, exploration, development, and production of oil and natural gas properties. The company has interests in 56,711 net developed acres and 2,668 net undeveloped acres in Andrews, Gaines, Crane, Ector, Winkler, and Ward counties, Texas; and 8,751 net developed acres and 12,405 net undeveloped acres in Yoakum County, Texas and Lea County, New Mexico. It primarily sells its oil and natural gas production to end users, marketers, and other purchasers. The company was formerly known as Transglobal Mining Corp. and changed its name to Ring Energy, Inc. in March 2008. Ring Energy, Inc. was incorporated in 2004 and is headquartered in The Woodlands, Texas.