Fundraising FoxEnergy Startups
5,975 companies tagged Energy, with their investors and founders.
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MagDrive develops magnetic actuation technology for industrial valves, replacing mechanical packing seals with a patented magnetic coupling to achieve zero fugitive emissions and lower maintenance costs. It offers bespoke engineering and technology licensing partnerships to valve manufacturers in the energy, aerospace, and other flow-control sectors.
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Maplewell develops energy demand management and demand flexibility solutions to bring flexiwatt capacity to customers in the commercial, industrial, and defense sectors. The company focuses on supporting the grid's transition toward decentralized energy and Distributed Energy Resources.
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MARA colocates data centers with power sources to convert stranded energy into digital capital, with a focus on optimizing energy production, delivery, and consumption. The company operates flexible data center infrastructure for AI/HPC applications while prioritizing grid stability and clean energy practices.
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MasTec is an infrastructure construction and engineering company that builds and installs clean energy systems (solar, wind, battery storage), power generation and delivery, oil and gas pipelines, data centers, EV charging, water and wastewater systems, and communications networks. It serves utilities, energy, and telecom sectors across the United States with turnkey construction, engineering, and technology deployment services.
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Mavria builds strategic infrastructure for AI development and deployment in the United States, bringing together expertise from energy, manufacturing, and supply chain sectors.
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Medford Wellington provides commercial HVAC/R, plumbing, electrical, and construction services along with maintenance and monitoring programs to keep businesses such as restaurants, retail spaces, laboratories, and hospitals operating continuously. It serves commercial enterprises in Massachusetts, New Hampshire, Rhode Island, Connecticut, and Maine.
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Melni Technologies develops patented electrical connector and splice products, including the Hyper-Splice for low-voltage wire repair and a medium-voltage splice for power grid applications. The company, a small engineering team, is developing grid infrastructure hardware under a U.S. Department of Energy ARPA-E award.
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Mentor Capital, Inc. (MNTR) is a publicly traded company that provides public market access, funding, and acquisition currency to companies in the classic energy sectors of oil, gas, coal, and uranium, typically taking significant positions while leaving operating control with existing management. It focuses on established cash flows, especially royalty payments, and may return gains to shareholders through dividends or stock repurchases.
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