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Abtech Holdings, Inc., an environmental technologies company, provides solutions to address issues of water pollution. It develops Smart Sponge, a polymer technology that focuses the removal of hydrocarbons and oil derivatives from surface water; Smart Sponge Plus, an antimicrobial agent to reduce coliform bacteria found in storm water, industrial wastewater, and municipal wastewater; and Ironwood and Smart Sponge HM media, a carbon-based renewable material with attached nanostructures for the removal of phosphates, as well as heavy metals, such as selenium, chromium, copper, iron, lead, and zinc. The company offers Smart Sponge Popcorn for various filtration applications; Ultra-Urban Filter, a modular filtration unit for use in curb opening and top down storm drains, and to treat storm water runoff for new or retrofitted sites by absorbing oil and grease, and capturing trash and sediment; and End-of-Pipe Water Treatment Systems to treat individual catch basins It also provides Smart Pak for use in new or existing end-of-pipe systems, such as vaults; and Absorbent Booms and Line Skimmers to absorb and permanently encapsulate hydrocarbons resulting in no dewatering of oily water during removal. In addition, the company offers Passive Skimmers to absorb and encapsulate hydrocarbons by floating directly on the water in catch basins, sumps, oil/water separators, and marine fueling stations; and Bilge Skimmer for permanently encapsulating the petroleum hydrocarbons that appear as oily sheen in the engine compartment during normal boat operation. Further, it provides industrial process water systems to purify well or surface makeup water streams for various plant requirements; and develops de-oiling solutions for the produced water market for the removal of free oil. The company serves the oil and gas industry, and spill prevention and control markets. Abtech Holdings, Inc. is headquartered in Scottsdale, Arizona.

Denison Mines Corp. engages in the acquisition, exploration, and development of uranium bearing properties in Canada. Its flagship project is the Wheeler River uranium project covering an area of approximately 300,000 hectares located in the Athabasca Basin region in northern Saskatchewan. The company was formerly known as International Uranium Corporation and changed its name to Denison Mines Corp. in December 2006. Denison Mines Corp. was incorporated in 1936 and is headquartered in Toronto, Canada.

Peninsula Energy Limited, together with its subsidiaries, operates as a uranium exploration company in the United States. The company's flagship project is its 100% owned Lance uranium project located in Wyoming. The company was formerly known as Peninsula Minerals Limited and changed its name to Peninsula Energy Limited in November 2010. Peninsula Energy Limited was incorporated in 1993 and is based in Subiaco, Australia.

Uranium Energy Corp., together with its subsidiaries, engages in exploration, pre-extraction, extraction, and processing uranium and titanium concentrates in the United States, Canada, and Paraguay. It owns interests in the Palangana mine, Goliad, Burke Hollow, Longhorn, and Salvo projects located in Texas; Anderson, Workman Creek, and Los Cuatros projects situated in Arizona; Dalton Pass and C de Baca project located in New Mexico; Roughrider, Shea Creek, Christie Lake, Horseshoe-Raven, Hidden Bay, Diabase, West Bear, JCU, and other project located in Canada; and Yuty, Oviedo, and Alto Paraná titanium projects in Paraguay. The company was formerly known as Carlin Gold Inc. and changed its name to Uranium Energy Corp. in January 2005. Uranium Energy Corp. was incorporated in 2003 and is headquartered in Corpus Christi, Texas.

Western Uranium & Vanadium Corp. engages in exploring, developing, mining, and production of uranium and vanadium resource properties in the United States. The company holds interests in the San Rafael uranium project located in Emery County, Utah; the Sunday Mine Complex situated in western San Miguel County, Colorado; the Van 4 mine located in western Montrose County, Colorado; the Sage mine project situated in San Juan County, Utah, and San Miguel County, Colorado; and the Dunn Project located in San Juan County, Utah. It also has interests in the Hansen, North Hansen, High Park, and Hansen Picnic Tree projects located in Fremont and Teller Counties, Colorado; the Keota uranium project situated in Weld County, Colorado; and the Ferris Haggerty project located in Carbon County, Wyoming. The company was formerly known as Western Uranium Corporation and changed its name to Western Uranium & Vanadium Corp. in October 2018. Western Uranium & Vanadium Corp. is headquartered in Toronto, Canada.