PETROassist.com: This site is built by engineers for engineers. It targets the oil and gas industry and provides a comprehensive, technically oriented gateway to companies and organizations in that industry. (http://www.petroassist.com/)

Petroleum Development Oman: PDO is the premier hydrocarbon exploration and production company in the Sultanate of Oman. Their site provides information that will give you an idea of who they are, what they do, how they do it and why. (http://www.pdo.co.om)

The Petroleum Services Association of Canada: PSAC is the national association of Canadian oilfield service, supply and manufacturing companies. Its mission, through effective presentation to government, industry and the public, is to protect, promote and pursue the interests of its members and to advocate standards, training, information dissemination and a code of ethics. (http://www.psac.ca/)

Petroleumshow.Com: This site has information and registration details for major petroleum industry events around the globe. You can register to attend an upcoming event and create your online personal show planner, as well as research products, companies, presentations and social events. (http://www.petroleumshow.com/)

Pigging Products & Services Association: The PPSA Buyers' Guide and Directory of Members promotes the knowledge and practice of pipeline pigging, and ensures that the Members are aware of the needs of the markets for the related products and services, by providing a channel of communication between the Members themselves and the users and other interested parties. (http://www.piggingassnppsa.com/)

Pigsource.com: Pigsource.com is a pipeline pigging resource for experts and non-experts alike. It is a fully searchable information repository. The site contains the complete collection of over 420 technical papers from the Pipeline Pigging Conference series. (http://www.pigsource.com/)

Pipedir.com: Pipedir is an Internet-based reference source for companies and organizations in the oil, gas, water, wastewater, and associated pipeline industries worldwide. Search Pipedir's directory to find out who manufactures the products you want or the services you require. (http://www.pipedir.com/)

Pipeline 101. The Association of Oil Pipe Lines (AOPL): The Association of Oil Pipe Lines has developed this site as an introductory resource on the liquid petroleum pipeline industry (http://www.pipeline101.com).

Pipeline Engineering Centre: The Pipeline Engineering Center's (PEC) goal is to provide support and direction to industry in pipeline engineering. The center addresses two specific aspects in this endeavor, first education and second research. (http://www.eng.ucalgary.ca/PEC/)

Pipeline and Hazardous Materials Safety Administration: In the U.S. Department of Transportation (DOT), PHMSA has public responsibilities for safe and secure movement of hazardous materials to industry and consumers by all transportation modes, including the nation's pipelines. (http://www.phmsa.dot.gov/)

Pipeline Systems Division of ASME International: Visit this site to find out about the PSD's activities, conferences, members, officers, and technical committees. (http://pipeline.asme-ipti.org/public/default.aspx)

Pipewire.net: Latest Pipeline News - Pipewire is home to the latest Pipeline specific news and articles. Today's top industry headlines - updated daily! (http://www.pipewire.net)

PipingDesign: Piping Design Central is the web-based gateway to technical information for process piping. Here you will find internet links to piping design and layout information and original articles. (http://www.pipingdesign.com)

Piping News Report: (http://www.pipingnews.com)

Plant Life Assessment Network: PLAN is a network encompassing a range of projects, sponsored by the European Commission Brite-EuRam, Standards and Measurement, ESPRIT and Nuclear Fission Safety Research Programmes. PLAN contributes to four essential elements -- inspection, instrumentation and monitoring, structural mechanics and maintenance -- which are a prerequisite for improved efficiency and safety of European industrial plants. (http://plan.jrc.nl/)

Plant Maintenance Resource Center: The Plant Maintenance Resource Center is a resource for maintenance professionals. It includes links to maintenance consultants, software, vendors, conferences and conference papers, and articles. It also has many other valuable resources. (http://www.plant-maintenance.com)

PlcCenter.com: Leading provider of surplus industrial controls, obsolete, top mfr's, repairs, 1 yr warranty. (http://www.plccenter.com)

(PRCI) Pipeline Research Council International: The PRCI site provides information on their research projects, technical reports, and software for the gas pipeline industry. (http://www.prci.org)

PRCI Sourcebook 2004: The Pipeline Research Council International's Sourcebook & Pipeline Integrity Directory 2004 is now available. It can be accessed from PRCI's home page, www.prci.com. There are not any books of this kind in the energy pipeline industry. It will be well read by the pipeline owner operators and contractors throughout the America's (Western Hemisphere), Europe, Middle and Far East. (http://www.prci.com/sourcebook/PRCI%20SBK%2004.pdf)

Pressure Vessel Research Council: Visit this site to learn about PVRC publications, meetings,programs, and membership. (http://www.forengineers.org/pvrc/)

Pressure Vessels and Piping Division of ASME International: Visit this site to find out about the PVP Division's activities, conferences, members, officers, and technical committees. (http://www.asme.org/divisions/pvp/index1.htm/pvp_home.html)

Process Associates of America: Advanced process technology for the hydrocarbon processing industry. (http://www.processassociates.com)

Process Industry Information Center: The Process Industry Information Centre contains information about plant owners, engineers, contractors, suppliers, authorities, software, jobs, and links related to the worldwide process industry. (http://www.processiic.com/)

Process Industry Practices for Vessels & Piping: Process Industry Practices (PIP) is a consortium of process industry owners and engineering construction contractors who serve the industry.(http://www.pip.org)

Process Industry Supplier Directory: Online searchable directory of process suppliers enabling buyers to easily source manufacturers of process, energy and greater manufacturing products such as valves, pumps and strainers. Site includes free magazines, jobs, news and events. (http://www.processregister.com)