Founded in Cleveland in 2017, Dory Power designs and manufactures lithium-ion battery systems for energy storage and uninterruptible backup power. Its Sentry line is designed and assembled in the USA and produced in Greater Cleveland, pairing a full-metal enclosure with AI-driven monitoring and solar recharging for quiet, long-duration backup. Dory systems serve settings ranging from homes to hospitals, laboratories, and data centers across the United States.
UL Certified Lithium Iron Phosphate Batteries
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UN Certified Lithium Iron Phosphate Batteries
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Certificate of Compliance to US Standards of Quality and Safety
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Viridi Parente, IncFounded in 2009, Buffalo-based Viridi Parente manufactures American-made, fail-safe lithium-ion battery energy storage systems for distributed power, including installations inside occupied and mission-critical buildings. Its proprietary anti-propagation technology is designed to contain thermal events at the cell level, while integrated AI and remote monitoring help customers manage power and resilience. Viridi has completed more than 500 deployments across North America and operates a 160,000-square-foot smart manufacturing facility in Buffalo.BUFFALO, NY
Fortress PowerFounded in Pennsylvania in 2016 to supply energy storage systems to SEPTA Railway, Fortress Power now designs lithium iron phosphate battery and inverter systems for homes, businesses, and industrial facilities. Its scalable storage platform spans whole-home backup and off-grid power through commercial systems, supported by U.S.-based technical service and a network of more than 500 installer partners. The company reports more than 50,000 projects worldwide and offers UL-certified products built around long-life LFP technology.LANGHORNE, PA
Stored Energy Systems (SENS)Founded in 1971 by battery-industry veteran Herb Kaewert, Stored Energy Systems (SENS) designs and manufactures DC power and engine-starting systems for mission-critical infrastructure. The Colorado-based company now makes its equipment in U.S. facilities spanning more than 130,000 square feet, using worst-case design and factory testing for applications where downtime is not an option. SENS has maintained ISO 9001 certification since 1996 and says its systems support more than 75% of North American critical-power gensets above 500 kW.334519HATFIELD, PA
Renon Power Technology IncFounded in 2014 by U.S. Army veteran Paul Buckwalter and fellow veterans, Renon Power Technology develops and manufactures battery energy-storage systems for homes, businesses, and utility-scale applications. The company’s path runs from its first home storage system in 2017 to commercial and industrial solutions in 2019, a new R&D center in 2022, and utility-scale systems in 2023. Renon combines battery and energy-management technology with intelligent fire safety and structured quality controls, and operates through branches in the United States, Europe, and Asia.335910READING, PA