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All Oil & Gas Companies
Oil & Gas Companies in Montana
Richland County, MT Oil & Gas Companies
Oil & Gas Companies in Richland County, MT
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Company Name
Company Location
Company Type
Most Recent Production
1
Vanguard Operating, LLC
Houston, TX 77057
Oil & Gas Operator
Jan 2021
2
Vintage Petroleum, Inc.
Houston, TX 77046
Oil & Gas Operator
Apr 2026
Production numbers shown above are only for Richland County, MT and for the production period listed.
Top Producing Companies in Richland County, MT
Armstrong Operating, Inc.
Continental Resources, Inc.
Empire North Dakota LLC
Kraken Operating, LLC
Montana Heartland LLC
Morningstar Operating LLC
Oasis Petroleum North America LLC
Phoenix Operating LLC
Prima Exploration, Inc.
R3 Operating Corporation
Ramhorn Energy, LLC
Rim Operating, Inc.
Samson Oil & Gas USA Inc
Sinclair Oil & Gas Company
Slawson Exploration Company Inc
Swanson Oil & Gas LLC
True Oil LLC
Wesco Operating Inc
White Rock Oil & Gas, LLC
Whiting Oil And Gas Corporation
Browse Companies in Nearby Counties
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Oil & Gas Companies in Roosevelt County, MT
Oil & Gas Companies in Sheridan County, MT
Oil & Gas Companies in Slope County, ND
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Oil & Gas Companies in Wibaux County, MT
Oil & Gas Companies in Williams County, ND