GreenShell Energy, Corp. has extensive experience in the following states:
- Colorado
- Wyoming - Montana - North Dakota
- Wyoming - Montana - North Dakota - Nebraska - Kansas - New Mexico - Utah
- New Mexico - Utah - Louisiana - Michigan - Ohio - Pennsylvania
- Michigan - Ohio - Pennsylvania - New York - West Virginia - Maryland
- West Virginia - Maryland 
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7900 E. Union Ave., Suite 1100
Denver, CO 80237
720-276-7658
