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| NIPSCO Information on NIPSCO's Choice Program for natural gas suppliers. | |
| GasChoice.com An independent, free personal shopper for the deregulated natural gas marketplace. | ||
| GASMARK GASMARK leads gas users, both commercial and residential, through the procedural complexities of the direct purchase and transportation of natural gas. | ||
| Stand Energy Corporation Provides a variety of services in the power marketing area, electric supply, including natural gas and residential and commercial natural gas and customer choice programs in Ohio. | ||
| Energetix Business and residential energy choice options and information. | ||
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