Spectra Energy Partners
- Owns and operates pipelines and facilities for natural gas gathering and processing, transportation, storage and distribution.
- http://www.spectraenergypartners.com/

Pecan Pipeline Company
- Provides natural gas gathering, compression and conditioning services to producers in Texas with emphasis on the Fort Worth Barnett Shale Basin.
- http://www.pecanpipeline.com

Rainbow Pipe Line Company, Limited.
- Transports unrefined or crude oil from Northern Alberta to other pipeline systems for transportation across the nation and into the US.
- http://www.rpl.ab.ca

Kinder Morgan
- Energy company operating a large network of natural gas and refined petroleum products pipelines.
- http://kindermorgan.com/

EnergySouth, Inc.
- Owns investments in gas pipeline transportation, natural gas storage, marketing and other energy-related services. (Nasdaq: ENSI).
- http://www.energysouth.com/

Global Industries, Ltd.
- Provides offshore marine construction services, including pipeline construction, platform installation and removal, diving services and construction support to the offshore oil and gas industry. (Nasdaq: GLBL).
- http://www.globalind.com/

Dynegy Inc.
- Provides electricity, natural gas, and natural gas liquids to wholesale customers in the United States and to retail customers in the state of Illinois. Owns and operates power plants, gas processing plants and electric transmission and distribution line
- http://www.dynegy.com/

Delta Natural Gas Company, Inc.
- Distributes and transmits natural gas. (Nasdaq: DGAS).
- http://www.deltagas.com/

AGL Resources Inc.
- Natural gas distribution, marketing, and energy services. Includes a company profile, career opportunities, and investor relations. (NYSE: ATG)
- http://www.aglresources.com/

Phenix Group
- Planning a pipeline across Nicaragua for transporting petroleum products in bulk between the Atlantic and Pacific Oceans.
- http://www.thephenixgroup.com/

Nicor Enerchange
- Provides short and long-term natural gas storage and transportation services in the Chicago market area.
- http://www.nicorinc.com/en_us/nicor_enerchange/default.htm

Pipe Line Contractors Association of Canada
- Members are contractors that build pipelines. Association performs member services, safety training, and lobbying services.
- http://www.pipeline.ca/

Tidelands Oil and Gas Corporation
- Owns 400 miles of gas pipelines, mainly in South Texas. Planning a 12 inch cross-border line to meet demand of Mexico's border communities.
- http://www.tidelandsoilandgas.com/

Gulfshore Midstream LLC
- Owns and operates natural gas and oil gathering pipelines in the Gulf of Mexico.
- http://www.gulfshoremidstream.com/

Enbridge Inc.
- Operates many gas and liquids pipelines in Canada and the US. Includes a natural gas utility in Canada.
- http://www.enbridge.com

Fort Union Gas Gathering
- Fort Union Gas Gathering is the natural gas gathering system, transporting coalbed methane from Wyoming's Powder River Basin.
- http://www.fortuniongg.com/

Foothills Pipe Line Ltd.
- Canadian natural gas transportation company that delivers Canadian gas exports to the United States. Involved in planning and promoting proposed Alaska gas pipeline.
- http://www.foothillspipe.com/

Peace Mountain Projects Ltd.
- Pipeline construction, pipeline maintenance and wellsite reclamation. Construction service for oilfield compressors, dehydrators, battery sites and wellhead tie-ins.
- http://www.peacemountain.ca/

Iroquois Pipeline Operating Company
- Operates 375 miles of natural gas pipelines in the northeastern US.
- http://www.iroquois.com/

Pipeline Operator Qualification System Consortium, Inc.
- Automates the processes necessary for operators of natural gas and hazardous liquid pipelines to comply with the relevant sections of US Federal Regulations.
- http://poqs.itgo.com/

Freeze Service, Inc.
- Services pipes using freezing techniques. Features the circumstances and places where this technology can be used, a list of products and services as well as case histories.
- http://pipefreezing.com/

RST Projects Ltd
- Provides internal pipeline inspection services using an electronic gauging pig. Based in Scotland. Features a list of previous projects, news and the typical procedures involved in an offshore operational survey.
- http://www.rstprojects.co.uk/

Oil Storage Solutions
- Residential home heating oil tank cover and accessories. Based in New York. Includes a catalog and a list of distributors.
- http://www.oilstoragesolutions.com/

Gulf Interstate Engineering
- Provides project management, engineering, procurement, construction management, operations and maintenance services. Based in Houston, Texas. Discusses various issues involved in the planning and construction phases.
- http://www.giepipelineintegrity.com/

BKW, Inc.
- Provides pipeline pigging technology, equipment and anchoring systems, pipe supports, slug catchers and engineering services. Based in Tulsa, Oklahoma. Offers information about products.
- http://www.bkwinc.com/

The John M. Ellsworth Company
- Wholesales fuel nozzles, hoses, filters, breakaways and gasoline pumps.
- http://www.jmesales.com/

TSS International Inc
- Selling valves, meters, manifolds and other devices used with piping. Based in Houston, Texas. Includes product listings.
- http://www.tssi.org/

En-Fab, Inc.
- Designs, engineers, and fabricates equipment and systems for metering and measurement, pipelines, gas gathering, oil production, and enhanced oil recovery.
- http://www.en-fabinc.com/

Sienna Composite Group Ltd.
- Supplies fluid transmission alternatives through spoolable recoverable composite pipe. Includes a list of products, details on the safety and environmental policies. Located in Canada.
- http://www.siennacomposite.com/

Shaw Pipeline
- Specializes in technology-based exploration and production products and services for pipeline, petrochemical and industrial markets worldwide. Manufacturing and service facilities globally.
- http://www.shawpipeline.com/

Petroleum Pipe Company Ltd
- Supplies API, casing, and line pipe to the oil, gas, and water industries.
- http://www.petpipe.co.uk/

T.D. Williamson, Inc.
- International manufacturer and services provider for hot tap and hot tapping equipment and services and other pipeline maintenance equipment.
- http://www.tdwilliamson.com/

Lamb Service Industries, Inc.
- Supplies the oilfield with new and reconditioned casing, tubing, drill pipe-handling equipment.
- http://www.lambservices.com/

Pipeline Measurement and Control
- Provides turn-key systems, equipment, and services for production and pipeline custody metering, control and conditioning of crude oil, natural gas and refined or processed hydrocarbon fluids.
- http://www.pipelinemeasurement.com/

Projets, Management and Consultants
- Designs and builds terminals and depots, airport jet fuel farms as well as surface production facilities and gas plants. Includes a list of activities, engineering services and references.
- http://www.pmc-sarl.com/

PipeSak Incorporated
- Offers a new patented system of gravel-filled baffles which straddle a pipeline to achieve buoyancy control. Features advantages, a list of technical notes, and a comparison with other techniques.
- http://pipesak.com/

International Pipeline Equipment Company Ltd.
- IPEC offers specialized pipeline equipment.
- http://www.ipec-ltd.com

Cimarron Engineering Ltd.
- Cimarron is a full service engineering company offering quality engineering and construction management services to the oil and gas, energy and utility industries. Calgary, Alberta Canada.
- http://www.cimarron.ab.ca/

MP Storage and Blending Limited
- Independent chemical storage and blending company is located at Middlesbrough England.
- http://www.mpstorage.co.uk/