Natural gas distribution, marketing, and energy services. Includes a company profile, career opportunities, and investor relations. (NYSE: ATG)

Provides pipeline pigging technology, equipment and anchoring systems, pipe supports, slug catchers and engineering services. Based in Tulsa, Oklahoma. Offers information about products.

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.

Distributes and transmits natural gas. (Nasdaq: DGAS).

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 lines.

Designs, engineers, and fabricates equipment and systems for metering and measurement, pipelines, gas gathering, oil production, and enhanced oil recovery.

Operates many gas and liquids pipelines in Canada and the US. Includes a natural gas utility in Canada.

Owns investments in gas pipeline transportation, natural gas storage, marketing and other energy-related services. (Nasdaq: ENSI).

Canadian natural gas transportation company that delivers Canadian gas exports to the United States. Involved in planning and promoting proposed Alaska gas pipeline.

Fort Union Gas Gathering is the natural gas gathering system, transporting coalbed methane from Wyoming's Powder River Basin.

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.

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).

Transporting natural gas from Wyoming and Montana to Northern Border Pipeline.

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.

Owns and operates natural gas and oil gathering pipelines in the Gulf of Mexico.

IPEC offers specialized pipeline equipment.

Operates 375 miles of natural gas pipelines in the northeastern US.

Energy company operating a large network of natural gas and refined petroleum products pipelines.

Supplies the oilfield with new and reconditioned casing, tubing, drill pipe-handling equipment.

Independent chemical storage and blending company is located at Middlesbrough England.

Provides short and long-term natural gas storage and transportation services in the Chicago market area.

Residential home heating oil tank cover and accessories. Based in New York. Includes a catalog and a list of distributors.

Pipeline construction, pipeline maintenance and wellsite reclamation. Construction service for oilfield compressors, dehydrators, battery sites and wellhead tie-ins.

Supplies API, casing, and line pipe to the oil, gas, and water industries.

Planning a pipeline across Nicaragua for transporting petroleum products in bulk between the Atlantic and Pacific Oceans.

Members are contractors that build pipelines. Association performs member services, safety training, and lobbying services.

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.

Automates the processes necessary for operators of natural gas and hazardous liquid pipelines to comply with the relevant sections of US Federal Regulations.

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.

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.

Transports unrefined or crude oil from Northern Alberta to other pipeline systems for transportation across the nation and into the US.

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.

A state-of-the-art teminal facility, located in the Jebel Ali Free Zone, United Arab Emirates. With 20 tanks offering in excess of 520,000 m3 of storage. It has its own dedicated berths and in-house laboratory.

Specializes in technology-based exploration and production products and services for pipeline, petrochemical and industrial markets worldwide. Manufacturing and service facilities globally.

Supplies fluid transmission alternatives through spoolable recoverable composite pipe. Includes a list of products, details on the safety and environmental policies. Located in Canada.

An independent petroleum products and specialty liquids terminating company used to store and deliver jet fuel and aviation gasoline to military bases in the United States.

International manufacturer and services provider for hot tap and hot tapping equipment and services and other pipeline maintenance equipment.

Wholesales fuel nozzles, hoses, filters, breakaways and gasoline pumps.

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.

Selling valves, meters, manifolds and other devices used with piping. Based in Houston, Texas. Includes product listings.