Portland General Electric (PGE) keeps many Birkenstock-shod feet warm: The company, formerly a subsidiary of Enron, generates, purchases, and distributes electricity to about 815,750 customers in Oregon. PGE's service territory covers 52 cities, including Portland and Salem. Its hydroelectric, coal-fired, and gas-fired plants had a generating capacity of more than 2,600 MW in 2009, and it purchased another 1,920 MW of generating capacity. PGE also markets wholesale electricity and natural gas to other utilities and marketers in the western US. In keeping with the "green" image of Portland residents, PGE leads the nation in residential customers who purchase power from renewable sources.

NSTAR is looking to outshine its rivals through the efficiency of its regulated electric and natural gas sales, distribution, and transmission operations. The utility holding company transmits and distributes electricity to almost 1.2 million homes and businesses through NSTAR Electric and serves some 300,000 natural gas customers in Massachusetts through NSTAR Gas. The company also markets wholesale electricity, and operates liquefied natural gas (LNG) processing and storage facilities. Its NSTAR Communications unit owns about 240 miles of fiber optic network. In 2010 the company agreed to be acquired by Northeast Utilities for about $4.2 billion.

Lee County Electric Cooperative's service territory includes Cape Coral, North Fort Myers, Marco Island, Sanibel and Captiva Islands, Pine Island, Everglades City, Immokalee, and parts of Lehigh Acres. The member-owned electric utility operates more than 6,000 miles of transmission and distribution lines. Tampa-based Seminole Electric Cooperative serves as LCEC's wholesale power supplier.

Lyntegar Electric Cooperative is based in the agricultural heart of the Texas Panhandle, where the summer heat sizzles and the winter ice storms freeze. The rural power cooperative provides electric utility services to customers in Borden, Dawson, Gaines, Garza, Hockley, Lynn, Martin, Terry, and Yoakum counties. The cooperative also sells electric grills and provides internet and television services. In addition, Lyntegar Electric Cooperative produces Typically Texas Cookbooks, which share collections of recipes used by cooperative member-consumers.

Macao Water Supply Co. Ltd,the utility supplies its customers with water from the West River's Modaomen Channel in Zhuhai City. Because of the high salinity content in the water (especially in the winter and spring months), Macao Water Supply uses a system of holding tanks and purification stations. Founded in 1932, the company is a subsidiary of Sino-French Holdings (Hong Kong) Limited (a joint venture of France-based water utility Ondeo Services and Hong Kong-based NWS Holdings Limited). As part of an ongoing maintenance strategy the company has replaced or repaired all of the distribution network that was in place in 1982.

First Electric Cooperative wasn't the first electric cooperative ever formed, but it was the first such entity created in its home state. The member-owned utility distributes power to more than 85,000 customers in 17 central and southeastern Arkansas counties. It also offers its members a range of energy products and value-added services, including energy efficient Marathon water heaters, surge and lightning protection equipment, and compact fluorescent light bulbs. Some 72% of the cooperative's revenues come from residential customers; commercial and industrial customers account for another 20%, and the rest comes from such sources as irrigation and street lighting.

CMS Energy Corporation, through its subsidiaries, operates as an energy company primarily in Michigan. It operates in three segments: Electric Utility, Gas Utility, and Enterprises. The Electric Utility segment engages in the generation, purchase, distribution, and sale of electricity. The Gas Utility segment involves in the purchase, transmission, storage, distribution, and sale of natural gas. The Enterprises segment engages in independent power production and marketing. This segment owns power generation facilities fueled mostly by natural gas and biomass. At December 31, 2009, this segment had ownership interests in independent power plants totaling 1,202 gross Megawatt. The company serves individuals and companies operating in the alternative energy, automotive, chemical, metal, food products, and various other industries. As of December 31, 2009, it served 1.8 million electric customers and 1.7 million gas customers. The company was founded in 1987 and is based in Jackson, Michigan.

Ergon (named after the Greek word for work) has it covered. Ergo, Ergon operates in six major business segments: asphalt and emulsions; information technology (embedded computing); oil and gas (exploration and production, retail and wholesale sales); real estate; refining and marketing; and transportation and terminaling. In addition to providing a range of petroleum products and services, the company manufactures and markets computer technology services and sells road maintenance systems, including emulsions and special coatings. Ergon also provides truck, rail, and marine transport services and sells residential and commercial real estate properties.

Ratchaburi Electricity Generating is a powerful force. The company, known as Ratch, is Thailand's largest independent electric utility. Subsidiary Ratchaburi Electricity Generating Company runs the power plant, which has a total capacity of about 4,500 MW of electricity. Ratchaburi Energy Company, the other major subsidiary, funds smaller power plants and other power generating operations. Ratch also owns stakes in ethanol and natural gas companies and it participates in a joint venture with SouthEast Asia Energy to run a hydro-electricity plant in Laos. Established in 2000, the company is 45% owned by the Thai government via the EGAT Public Company.

domnick hunter (which does business as Parker domnick hunter) is on the chase, pursuing the ultimate path to purify, filter, and separate air, gases, and liquids. With operations in some 25 countries, the company designs and manufactures compressed air treatment products for industrial (manufacturing, transportation, and military) applications and liquid and gas filters for process (beverage, chemical, food, microelectronics, and pharmaceutical) applications.

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