Creates reports and maintains data records as required by modifying and running customized programs on the company mainframe to: verify daily operating data input to the Gas Control database; produce weekly and monthly reports to check the validity of telemetry and measurement data, reports problems to appropriate personnel; verify accuracy of gas volume statements and records of daily gas transactions produced by other companies; produce historical load reports and graphs from the Gas Control database for use in load forecasts; produce reports for Gas control studies, other company departments and customers as required; Evaluates current demand, determines when demand is at variance from authorized supplies, and makes appropriate changes to storage supply to bring demand in balance. Maintains liaison with: field personnel to coordinate work, report problems and initiate call-outs when required; personnel from other pipeline companies, gas suppliers and customers to coordinate pipeline activity; other company departments including Measurement, Marketing, Engineering, Gas Supply, Data Processing and Customer Accounting.