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Established in 2011, ESS Inc. manufactures low-cost, long-duration all-iron redox flow batteries for commercial and utility-scale energy storage applications requiring 4+ hours of flexible energy capacity. Its product, Energy Warehouse™, uses iron, salt, and water for the electrolyte, and delivers an environmentally safe, long-life energy storage solution for the world`s renewable energy infrastructure.
Edge Petroleum Corporation is a Houston, TX-based company in the Energy and Utilities sector.
Nabors provides innovative drilling rigs and equipment to transform our global industry. Every day, we are exploring new territory, digging deeper into what we can achieve. From designing new rigs that deliver higher levels of safety and efficiency for our customers to setting operational performance records around the world, our people provide the rigtelligence to meet the world`s demand for oil and gas while learning and growing to also enhance their future career development. Since our founding in 1952, Nabors has grown from a small land drilling business in Canada to one of the world`s largest drilling contractors. At the beginning of 1990, our fleet consisted of 44 actively marketed land drilling rigs in Canada, Alaska and various international markets. Today, Nabors owns and operates the world`s largest land-based drilling rig fleet and is a leading provider of offshore platform workover and drilling rigs in the U.S. and multiple international markets. As a global provider of services for land-based and offshore oil and natural gas wells, our fleet of rigs, as of December 31, 2014, includes 466 actively marketed rigs for land-based drilling operations in the United States, Canada and more than 20 countries around the world; and 42 actively marketed rigs for offshore drilling operations in the United States and multiple international markets. Nabors provides innovative drilling technology, software and equipment, directional drilling and drilling services in most of the significant oil and gas markets in the world. We also manufacture and lease or sell top drives and other rig equipment.
Ecova is a Spokane, WA-based company in the Energy and Utilities sector.
AquaVenture Holdings™ (AVH), a global leader in water purification solutions. AVH is a pioneer in providing Water-as-a-Service™ (WAAS™), generating recurring revenue from the deployment of advanced water filtration, sanitization, purification and desalination technologies. Through its subsidiaries, AVH serves over 40,000 customers, and delivers eight billion gallons of clean water each year.