American Superconductor Corp
American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. It operates through Grid and Wind segments. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power under the Gridtec Solutions brand. The company provides transmission planning services, which identify power grid congestion, poor power quality, and other risks; grid interconnection solutions for wind farms and solar power plants, power quality systems, and transmission and distribution cable systems; D-VAR systems used for controlling power flow and voltage in the AC transmission system; actiVAR system, a fast-switching medium-voltage reactive compensation solution; armorVAR system installed for reactive compensation, power factor correction, loss reduction, utility bill savings, and mitigation of common power quality concerns related to power converter-based generation and load devices; and D-VAR volt var optimization (VVO) that serves the distribution power grid market. This segment also offers ship protection systems, which reduce a naval ship's magnetic signature; and Onboard power delivery systems, power generation systems, and propulsion systems; and transformers and rectifiers systems. The Wind segment designs wind turbine systems and licenses these designs to third parties under the Windtec Solutions brand. The company also supplies power electronics and software-based control systems, engineered designs, and support services; and provides customer support services to wind turbine manufacturers. This segment's design portfolio comprises a range of drivetrains and power ratings of 2 megawatts and higher. American Superconductor Corporation was incorporated in 1987 and is headquartered in Ayer, Massachusetts.
Open AMSC dashboard ↗Mammoth Energy Services, Inc. Common Stock
Mammoth Energy Services, Inc. operates as an energy services company in the United States, Canada, and internationally. It operates in four segments: Well Completion Services, Infrastructure Services, and Natural Sand Proppant Services. The company offers hydraulic fracturing, sand hauling, water transfer, master services agreements. It also provides services on electric transmission and distribution, networks and substation facilities, such as engineering, design, construction, upgrade, maintenance, and repair of high voltage transmission line, substation and lower voltage overhead, and underground distribution systems; installs, maintains, and repair of commercial wiring; and storm repair and restoration services. In addition, the company mines, processes, and sells natural sand proppant; buys processed sand from suppliers on the spot market for resale; and provides logistics solutions to facilitate delivery of frac sand products. Further, it provides directional drilling services for drilling and production of oil and natural gas from unconventional resource play; leasing helicopters, and helicopter training and response services; equipment rentals consist of cranes, light plants, generators, and other oilfield related equipment; remote accommodation; coil tubing, pressure control, flowback, crude oil hauling, cementing, and acidizing services; production testing, solids control, hydrostatic testing, and torque services; contract drilling; rig moving; coil tubing; pressure control services, including nitrogen and fluid pumping services; and full service transportation. It serves government-funded, private, public investor-owned, and co-operative utilities; independent oil and natural gas producers; and land-based drilling contractors. The company was formerly known as Mammoth Energy Partners LP and changed its name to Mammoth Energy Services, Inc. in October 2016. Mammoth Energy Services, Inc. was founded in 2014 and is headquartered in Oklahoma City, Oklahoma.
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