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Oil & Gas Field Exploration Services

PEMBINA PIPELINE CORP TRICCAR INC. DAWSON GEOPHYSICAL CO ZION OIL & GAS INC Empower Clinics Inc. NXT Energy Solutions Inc. ION GEOPHYSICAL CORP Discovery Energy Corp. NAMESILO TECHNOLOGIES CORP. WESTBRIDGE ENERGY CORP. ReoStar Energy CORP EGPI FIRECREEK, INC. American Oil & Gas Inc. Futuris Co ZION OIL & GAS INC ZION OIL & GAS INC ZION OIL & GAS INC PEMBINA PIPELINE CORP PEMBINA PIPELINE CORP PEMBINA PIPELINE CORP PEMBINA PIPELINE CORP SAExploration Holdings, Inc.