American Natural Resources Co

Gas Transmission Northwest Corporation, also known as the GTN system, has been transporting natural gas to the western energy markets since 1957. It has pipelines in northern Idaho, southeastern Washington and central Oregon. The company interconnects with Pacific Gas & Electric Company, Northwest Pipeline Corporation and Tuscarora Gas Transmission Company. Gas Transmission Northwest Corporation also transports more than 2.9 billion cubic feet of gas on a daily basis. It has over 10 compressor stations. In addition, the company serves nearly 45 businesses, as well as producers, marketers, and electric and gas utilities. Gas Transmission Northwest Corporation has a staff of approximately 150 employees. It is a part of TransCanada Corporation. The company is regulated by the Federal Energy Regulatory Commission and the Department of Transportation.

Southern Natural Gas, a subsidiary of El Paso Corporation, transports more than 3 billion cubic feet of natural gas per day during peak periods through 8,000 miles of pipeline within the Southeast region of the United States. The company also owns and operates the Elba Island liquefied natural gas regasification facility in the state of Georgia, with approximately 4 billion cubic feet of storage capacity and over 440 million cubic feet per day of send-out capacity. Its parent company, El Paso Corporation own one of North America s largest interstate natural gas pipeline systems, approximately 42,000 miles long, that transports more than a quarter of the natural gas consumed in the United States each day. The parent company provides natural gas and related energy products. El Paso Corporation is organized around two core businesses that include pipelines and exploration and production. The parent company sells power-to-power transmission and distribution companies owned by local governments. Some of its pipeline assets are owned by El Paso Pipeline Partners. The parent company offers natural gas transmission services to a range of customers, including natural gas producers, marketers and end-users, as well as other natural gas transmission, distribution and electric generation companies. El Paso Corporation s Exploration & Production Company finds, develops and produces natural gas, oil and natural gas liquids.

Gregg Engineering, headquartered in Sugar Land, Texas, offers a range of products and services for the pipeline industry. The company specializes in pipeline simulation and business solutions. It is a privately owned business that has been serving clients since 1986. The company provides gas pipeline integration and automation tools. Gregg Engineering offers software solutions for pipeline design, expansion and capacity calculations. It also provides software for long-term forecasting, as well as storage and well depletion analysis. In addition, the company offers consulting and pipeline resource management services. It conducts feasibility studies and pipeline system evaluation. Gregg Engineering organizes training sessions for dispatchers and engineers.