DI has associations with several organizations that can enhance the range of services that can be offered. Key contacts include:

Grand Directions, a subsidiary of Grand Resources, Inc., Tulsa, Oklahoma. This company specializes in the drilling and completion of horizontal wells for the improved recovery of oil. The website is located at: www.granddirections.com.

EBS and Associates, Tulsa, Houston, which brings particular experience in the areas of property evaluations, production operations, and economic analyses.

Reservoir Solutions, Inc., a company specializing in the application of lignin surfactant technology for improving oil recovery. The website is located at: www.reservoir-solutions.com.

Other important information sources include: