Rainbow Gas Company (RGC) is a regional marketer that supplies natural gas to commercial and industrial end-use customers located on the WBI Energy Transmission system. We believe our …

Rainbow Gas Company (RGC) is a natural gas marketing company that has been in business since 1986. Its core business is to market natural gas to commercial and industrial end users …

918 E Divide Ave Bismarck, ND 58501 +1 (701) 255-7970 +1 (701) 255-7952. © 2025 Rainbow Gas Company | All Rights Reserved.

Jul 7, 2016 · Rainbow Gas has launched a new website! Watch this space for the latest news.

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