Superior Well Services is a growing oilfield services company operating in many of the significant oil and natural gas producing regions of the United States, providing oil and gas companies with technical pumping and down-hole surveying services. We compete with our larger peers by offering technologically advanced equipment and services at competitive prices, with an emphasis on safety and highly responsive customer service. With regard to many of our smaller peers, we compete by offering specialized equipment and service solutions that many of these smaller independents cannot, or do not, offer. Our ability to provide multiple services allows us to maximize efficiency, reduce lead times and provide cost effective solutions for our customers.

Aclaro softworks is a software development company that creates enterprise business solutions for the oil and gas industry.

Founded by a team of industry professionals, aclaro has created the web-based petroLook application that automatically integrates information from multiple data sources, and provides comprehensive and flexible analysis and reporting. This application now serves as the foundation for aclaro's reserves management, corporate planning, performance monitoring, and budgeting systems.

BJ Services Company is listed on the New York Stock Exchange and its common stock trades under the symbol "BJS". The Company's core business comprises cementing, stimulation, downhole tools and coiled tubing services worldwide. BJ also provides tubular services, process and pipeline services, and specialty chemical services in selected geographic markets.

Wood Group Pressure Control (WGPC) is a subsidiary company of John Wood Group and part of the Well Support Division. WGPC was formed through the acquisition of complementary companies that manufacture and remanufacture equipment which controls pressure when drilling for oil or gas.

The Pennsylvania Oil & Gas Association is the non-profit trade association of the Commonwealth's independent oil and gas producers. The association promotes the general welfare of Pennsylvania's crude oil and natural gas exploration and production industry. The association and its members are committed to the economical and environmentally responsible development, production and use of the Commonwealth's crude oil and natural gas resources.