PetroAcct, L.P. Operational accounting, land administration and production accounting outsourcing services. http://www.petroacct.com/

Halliburton Company A major services and construction company, including well logging, well completion, and reservoir engineering. http://halliburton.com/

DJI & Associates, Inc. Engineering design and drafting services for the natural gas pipelines. http://www.djiinc.com

Chemical Tracers Inc. Inject chemical tracers into a single well and then produce fluids from the well to determine residual oil saturation, connate water saturation and fractional flow. http://www.chemtracers.com

Fluor Corporation Providing engineering, procurement, construction, maintenance, and business services worldwide. http://www.fluor.com

Flow Petroleum Services Inc. Contract management of operations, human resources, reporting requirements, logistics and procurement. Providing contract personnel. http://flowps.com/

Baker Hughes Inc. Services, tools and software for drilling and formation evaluation, well completion, production management and seismic data collection and interpretation http://www.bakerhughes.com/

Lanmark Engineering Inc. Engineering, procurement, construction and management services for western Canada. http://www.lanmark.net/

Axens Serving the refining and processing industry. Products include processes, catalysts, adsorbents and equipment, and a complete set of services optimizing performance. http://www.axens.net/

ISN IT and telecommunications consultants specialising in the oil and gas industry, offshore development and remote office locations. http://www.isnsolutions.com/

Petraglobal Expertise in hydraulics, pneumatics and instrumentation. Engineer and supply gas and oil systems on a "turn-key" basis. Spare parts for Petrogas brand systems. http://www.petraglobal.nl/

Oilfields Supply Center Dubai-based company providing onshore facilities, logistical support, and engineering to Persian Gulf area and south Asia. http://www.oscdubai.com/

Island Operating Company, Inc. Offshore property management in the Gulf of Mexico. http://www.islandoperating.com/

Ess-Ell Tool Co. Ltd. Hardening of metal surfaces subject to abrasion, erosion, adhesion and corrosion. http://www.ess-ell.com/

PT WIJAYA PURA Indonesian company providing complete project services including engineering, project management, construction, and procurement of supplies. http://www.wijayapura.com

SDV Oilfield Worldwide logistical support and management. http://www.sdvoilfield.com

IROilRigs Holding company for a group of companies which lease or sell drilling equipment, do contract drilling, and build small-scale refineries. Operating mainly in Indonesia, China, Uzbekistan, and Kazakhstan. http://www.iroilrigs.com/html/home.html?/

Tembi Energy Industries Providing engineering, procurement and management for oil and gas projects. Based in Iran. http://www.tembi-energy.com/

DTN Dimond Control Systems, Inc. Terminal automation using the Internet as the centralized point of access. http://www.dtndiamondcontrol.com

Blair Nelson Enterprises Ltd Pipeline and facility construction in central and northern Alberta, Canada. http://www.bnelsonent.com