Yorkshire Water provides water and wastewater services to about 1.9 million households (4.8 million people) and approximately 130,000 business customers. The company operates more than 700 water and sewage treatment works and 120 reservoirs and supplies more than 1.3 billion liters of drinking water per day to homes and businesses in Yorkshire. Yorkshire Water also collects, treats, and disposes of about 1 billion liters of wastewater. The group has given its tap water the trade mark Icytonic, and it is the only water company in the UK to register its core product. Yorkshire Water is the primary subsidiary of Kelda Group.

REC Solar helps you say "So long!" to fossil fuel dependence. The company designs and installs solar electric systems for residential and small commercial customers in six states -- Arizona, California, Colorado, Hawaii, New Jersey, and Oregon. REC Solar has installed more than 3,200 power systems since being founded in 1997. Its systems range from simple rooftop panel displays for residential customers to industrial solar electric systems for Costco. REC Solar uses solar panels manufactured by Kyocera, Mitsubishi, Sanyo, and Sharp, and components by Satcon, SMA Solar Technology, and Xantrex. Investment group Mainstream Energy owns both REC Solar and AEE Solar.

Emera is an emerging force in a new energy era. Subsidiary Nova Scotia Power Inc. (NSPI) generates, transmits, and distributes more than 97% of the electricity in Nova Scotia, where it serves 486,000 residential, commercial, and industrial customers. Most of NSPI's more than 2,290 MW generating capacity is from fossil fuel plants. Emera has electric utility operations into the US through its Maine-based Bangor Hydro-Electric, which serves about 117,000 customers. It markets wholesale energy and provides asset management services. Emera owns Brunswick Pipeline (which ships LNGs), and has a minority stake in Maritimes & Northeast Pipeline (natural gas). It also has minority stakes in utilities in the Caribbean.

Calvalley Petroleum searches below the plateau for fuel for its customers. The company focuses on exploring for and producing oil and natural gas at Block 9 in the Republic of Yemen. The company, which has about 16 working wells (more than 50 have been drilled), produces some 5,000 barrels of oil each day. Its subsidiary Calvalley Petroleum (Cyprus) Ltd. is the operator of the property, which includes about 552,000 acres of land in the Sayun-Masila basin. Calvalley Petroleum has a net proved plus probable reserves of 7.8 billion barrels of oil equivalent.

Pall Aeropower, a subsidiary of filtration products maker Pall, manufactures filtration equipment for use in the aerospace and defense industries, as well as for general industrial applications. The company's products are used in aircraft cabin air filtration, fixed wing and rotary wing aircraft, marine vessels, military land vehicles, and space vehicles. Its Portable Fluid Purifier automatically removes water, gases, solvents and particulate matter from coolants, hydraulic and lubrication fluids, and other liquids. The unit sells directly to customers in most of its markets, though Danish company Satair distributes to commercial airlines. Pall Aeropower is part of its parent's industrial business segment.

The Dakota Electric Association delivers electricity to residents of southeastern Minnesota, the Gopher State , so they don't have to burrow underground for those long, cold winters. The member-owned utility serves more than 100,000 customers in portions of Dakota, Goodhue, Rice, and Scott counties south of Minneapolis-St. Paul. The co-op gets its power wholesale from transmission cooperative Great River Energy and distributes it over 3,720 miles of power lines, nearly two-thirds of which are buried. Dakota Electric is pushing energy efficiency programs and products to help save its customers money.

Ormat Technologies is on an environmentally safe power trip, building geothermal as well as recovered energy power plants. Geothermal technology extracts hot water or steam that is vaporized and used to drive turbines. The fluid is then cooled and recycled back through the process, making it a clean and renewable energy source. Recovered energy utilizes heat produced in other industrial processes. The company, set up by Israel-based Ormat Industries, also sells power units for both types of plants, and sells fossil fuel powered turbo-generators with a capacity of between 400 watts and 4,000 watts. Ormat operates power plants (with a total of 518 MW of power) in Guatemala (2), Kenya, Nicaragua, and the US (10).

West Texas Gas is 100%-owned by CEO J. L. Davis. With a deep understanding the utility of natural gas, natural gas utility West Texas Gas distributes more than 25 billion cu. ft. of natural gas, propane, and other petroleum products to more than 25,000 residential, commercial, agricultural, and governmental customers in Texas and Oklahoma Panhandle region. West Texas Gas, Inc., the fourth-largest investor-owned public utility in Texas, also operates retail gasoline stations and convenience stores and has gas gathering, production, transmission, and marketing operations.

GeoSyntec Consultants provides services such as environmental management, geotechnical engineering, groundwater assessment and remediation, pollution prevention, and surface water management. The company operates from more than 30 offices, primarily in the US but also in Canada, Malaysia, and the UK. Its clients include Aerojet-General, AstraZeneca, Chevron, Delta Air Lines, FMC Corp., Georgia Power, Kimberly-Clark, Lockheed Martin, Pharmacia & Upjohn, and Shell Oil. Expanding its services in the water and natural resources segment, in 2010 Geosyntec acquired Rainwater Recovery, which focuses on rainwater harvesting technology.

Wahlco likes to keep it clean. It designs and manufactures air pollution control equipment, specializing in ammonia handling, flue gas conditioning, nitrogen oxide control equipment which it installs at power plants and other industrial facilities, including cement plants, oil and gas refineries, pulp and paper mills, and steel mills. Wahlco also makes products such as low-watt density heaters and specialty thermocouples for industrial applications. The company's systems and equipment can be found in more than 500 locations in more than 17 countries. Wahlco was founded by a small group of experts in 1972.

Inviting Real Estate Agents, Job Placements Agents, Educational Institutes, Software Service Providers, Real Estate Builders, Marriage Bureaus, Travel Agents, Restaurant Owners, Health & Fitness Centers and other Local Businesses to Post a FREE Classified Advertisement on Cootera.com Classifieds Website.