Founded in 1937, Ryder Scott Co. evaluates oil and gas properties and independently certifies petroleum reserves throughout the world. The firm performs several hundred consulting studies each year for a variety of clients and has earned worldwide recognition for reliably predicting the performance of complex oil and gas reservoirs in all major petroleum provinces. Services include reserves evaluations, geoscience/geology studies, field development and EOR design, reservoir simulation, economic analysis, management consulting and expert witness testimony. Ryder Scott has served clients listed on the New York, London, Toronto, Hong Kong, Australia and other stock exchanges -- and has been one of the most widely used consulting firms for preparing annual petroleum reserves certifications for filers with the U.S. Securities & Exchange Commission. Ryder Scott provides a complete range of professional engineering, geoscientific and economic evaluation services through its offices in Houston, Calgary, and Denver.