Porvair wants to reign in pores. The company makes specialist porous filtration products out of ceramics, plastic, metal, and carbon for a variety of industries, including aerospace, aluminum, high-purity liquids, life sciences, and nuclear maintenance. The company's specialist laboratory filter systems are used by pharmaceutical and drug companies for diagnostic and testing kits, medical devices, and pharmaceutical production. Porvair also makes high performance bi-polar planes for fuel-cell manufacturers. The company operates in both the UK and US.

F.B. Leopold wants to give you a nice, lean glass of water. The company develops and manufactures water and wastewater clarification, purification, and sludge collection equipment and backwash recovery systems. Customers include companies in the water and wastewater treatment industries. Its wastewater treatment systems include tertiary filtration, denitrification, clarification, and sludge collection systems. Founded in 1924, F.B. Leopold has been a part of ITT's Water & Wastewater Treament division since 2006.

Equisol, LLC can't part seas, but it can see to it that water is flowing correctly through the water/wastewater systems at companies. Equisol specializes in supplying water and wastewater products, equipment, and services to industrial, governmental, and commercial industries nationwide. Serving mainly medium to large-sized companies, Equisol does everything from supplying pumps and chlorinators to designing and installing water/wastewater systems. Additionally, the company offers their customers consulting, training, emergency response, and various other services. In 2009 powder coating and technology business Xiom Corp. acquired the company.

Avista Corporation, an energy company, engages in the generation, transmission, and distribution of energy and energy-related businesses in the United States and Canada. The company operates through two segments, Avista Utilities and Advantage IQ. The Avista Utilities segment engages in the generation, transmission, and distribution of electric energy primarily from hydroelectric and thermal sources. This segment also distributes natural gas to retail customers in parts of eastern Washington, northern Idaho, and parts of northeast and southwest Oregon, as well as engages in wholesale purchase and sale of electricity and natural gas. As of December 31, 2009, it provided retail electric service to approximately 356,000 customers; and retail natural gas service to approximately 316,000 customers. This segment offers electricity and natural gas to residential, commercial, and industrial customers. The Advantage IQ segment provides utility expense management solutions to assess and manage utility costs and usage to multi-site companies in North America. It offers invoice processing, auditing and payment services, energy procurement, reporting, and advanced analysis, as well as provides analytical support, reporting, and consulting services. In addition, Avista’s other investments and operations include sheet metal fabrication of electronic enclosures, parts, and systems for the computer, telecom, renewable energy, and medical industries; real estate investments, primarily commercial office buildings; and investments in venture capital funds and low income housing. The company was founded in 1889 and is headquartered in Spokane, Washington.

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.

The Jersey Electricity Company is the sole distributor of electricity services to Jersey, the largest of the Channel Islands. The company's services include electricity supply and a range of building services (mechanical, plumbing, design, air-conditioning, facilities management). It also offers equipment, including space and water heaters, heat pumps, and air-conditioning and refrigeration units. It sells retail appliances through its Powerhouse store. The company has diversified into mobile phones and computers but has sold its JET telecommunications business. Jersey's government controls the utility.

SolarCraft Services designs and installs solar energy systems that capitalize on California's sunshine. The company has installed more than 4,300 solar energy systems for residential and commercial customers in Northern California, including numerous vineyards and wineries. Its largest project was a 1.1 MW system at Paramount Farms, the world's largest grower and processor of pistachios and almonds. SolarCraft Services uses solar panels made by Mitsubishi, Sharp and SunPower, panels for swimming pools made by FAFCO, and components by SatCon. The company was founded in 1984.

Show me the power. Cuivre River Electric Cooperative provides power to four eastern counties in the "Show Me" state: Lincoln, Pike, St. Charles, and Warren. The membership utility, which is one of Missouri's largest cooperatives with more than 58,000 residential, commercial, and industrial customers, gets its wholesale power supply from the Associated Electric Cooperative and the Central Electric Power Cooperative. Cuivre River Propane, jointly owned and operated by Cuivre River Electric Cooperative and MFA Oil Company supplies propane to co-op members from four locations, Bowling Green, Elsberry, Troy, and Wright City.

Indiana Municipal Power Agency (IMPA) supplies bulk electricity to 52 community-owned distribution utilities throughout Indiana. IMPA members deliver electric service to households, businesses, and industries across Indiana. The company has interests in fossil-fueled power plants that give it nearly 600 MW of generating capacity; it also buys electricity through supply contracts and through purchases on the wholesale market. IMPA also owns power tranmission assets, and it provides utility engineering and consulting services through its ISC subsidiary. IMPA is expanding its power portfolio through the construction of new generation facilities.

Puerto Rico Electric Power Authority (PREPA) is prepared to serve an entire island nation. Founded in 1941, the government-owned utility is the sole electricity distributor for Puerto Rico, where it serves approximately 1.4 million residential and business customers. PREPA owns five primarily fossil-fueled power plants that give it nearly 5,800 MW of generating capacity, and it has more than 30,000 miles of transmission and distribution lines. In order to keep up with increasing demand, the Puerto Rican government has allowed independent power producers to build cogeneration plants on the island to sell power to PREPA.

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