| Name | Title | Contact Details |
|---|
Gran Tierra Energy Inc. is an international oil and gas exploration and production company headquartered in Calgary, Canada, incorporated and traded in the United States and operating in South America. The Company currently holds interests in producing and prospective properties in Colombia, Brazil and Peru. The Company strategy is focused on establishing a portfolio of drilling opportunities to exploit undeveloped reserves to grow production, as well as undertaking exploration drilling to grow future reserves.
Patterson-UTI Energy, Inc. is a provider of contract drilling business. It operates primarily in Texas, New Mexico, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Colorado, Arizona, Utah, Wyoming, Montana, North Dakota, South Dakota, Pennsylvania,
Bachman Services Inc is a Oklahoma City, OK-based company in the Energy and Utilities sector.
West Penn Oil Co Inc is a Warren, PA-based company in the Energy and Utilities sector.
Drilco Inc is a Laguna Beach, CA-based company in the Energy and Utilities sector.