Founded in 1947, Purvin & Gertz, Inc. is an independent energy consultancy with headquarters in Houston, Texas and an interna ... tional network of offices in the United States, Canada, South America, Europe, the Middle East, Russia and Asia. Our firm is employee-owned and operated, providing technical, commercial and strategic advice to international clients in the crude oil, petroleum refining, natural gas, natural gas liquids, petrochemical and power generation industries. Our consultants are highly educated seasoned industry professionals averaging over 20 years of individual experience in the technical, operational and commercial areas of the industries they serve. PurvinGertz.com is rapidly becoming a favorite industry web portal for energy executives around the globe. In the fast-paced energy world, executives require immediate access to online sources of key market information, in-depth analysis and forecasts for supply, demand and pricing of energy products. Purvin & Gertz is pleased to offer subscribers a secure, password-protected customer portal to peruse electronic versions of our industry studies and market publications. read more