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Portfolio Careers

Our portfolio companies are mission-oriented, well funded, diverse, and disruptive. Hop onboard!
Showing 29 companies
DeepTech
Energy
Manufacturing
Sustainability
11 - 50 employees

Advanced Ionics is pioneering the future of industrial hydrogen with its innovative electrolyzer technology, which significantly reduces the cost of green hydrogen production. By utilizing their Symbiotic™ technology, the company enables industrial hydrogen producers to generate green hydrogen efficiently within their existing facilities, leveraging onsite process and waste heat. This approach not only minimizes electricity consumption but also lowers capital costs by using widely available components. With a mission to decarbonize industries globally, Advanced Ionics positions itself as a leader in the green hydrogen market, aiming to produce hydrogen for less than a dollar per kilogram, making it a competitive alternative to fossil-fuel-based methods.

Seed

Aepnus Technology catalyzes the decarbonization of industry by transforming chemical production through ultra-efficient electrolysis technologies. Their innovative approach utilizes renewable electricity to produce essential chemicals like Hydrochloric Acid, Sulfuric Acid, and Caustic Soda, enabling domestic production and reducing reliance on foreign sources. By focusing on critical mineral processing, cathode manufacturing, and battery recycling, Aepnus positions the United States as a leader in the transition to sustainable energy, enhancing national self-sufficiency and fostering a cleaner industrial landscape.

Nth Cycle
Nth Cycle
4 jobs
Consumer Products
Energy
Hardware
Manufacturing
Sustainability
51 - 200 employees
Series B

Nth Cycle is an industry leader in critical metal refining, partnering with recyclers, manufacturers, and miners to refine materials on-site using their patented Oyster system. This innovative technology recovers critical metals from end-of-life batteries, scrap metal, and mined ore, addressing the urgent need for domestic refining capabilities in the U.S. and Europe. By eliminating the need for large, centralized plants, Nth Cycle offers a modular, clean, and efficient solution that supports multiple industries and adapts to changing volumes. Their approach not only enhances supply chain resilience but also contributes to environmental sustainability, making them a key player in the clean energy transition.

Construction
DeepTech
Energy
Manufacturing
Real Estate
Sustainability
11 - 50 employees

Carbon Upcycling is a waste and carbon utilization company focused on transforming industrial byproducts and natural materials into superior additives for cement and concrete. Their patented technology sequesters CO2, reduces the carbon footprint of cement, and enhances concrete performance, addressing the significant CO2 emissions from the cement industry. By utilizing local industrial waste, Carbon Upcycling not only improves product quality but also contributes to a circular economy, making them a leader in sustainable materials innovation. The company has gained recognition for its innovative approach and is positioned to play a crucial role in decarbonizing hard-to-abate industries.

Energy
Sustainability
11 - 50 employees

Electrified Thermal Solutions is revolutionizing industrial heat by replacing fossil fuels with their innovative Joule Hive thermal battery, which utilizes electrically conductive firebricks to provide decarbonized heat for high-temperature industrial applications. Founded at MIT, the company has developed a cost-effective solution that can reach temperatures up to 1,800°C, enabling industries such as steel, cement, and glass to transition to cleaner energy sources. Their technology not only offers high energy density and efficiency but also collaborates with existing brick manufacturers to ensure scalability and reliability in deployment. With a strong commitment to tackling climate change, Electrified Thermal is positioned to lead the decarbonization of heavy industry globally.

Energy
Sustainability
51 - 200 employees
Series C+

Connect DER is a solar technology company focused on providing quick and affordable electrification solutions through innovative meter socket adapters. Their products enable homeowners to connect solar panels and electric vehicle chargers without the need for costly electrical upgrades, significantly reducing installation time and expenses. With over 20,000 units shipped across 22 states since their inception in 2011, Connect DER has established a strong market presence and is committed to simplifying clean energy adoption for everyone. Their UL Listed and NEC compliant products are designed to broaden access to clean energy resources, making them a valuable player in the renewable energy sector.

DeepTech
Professional Services
Sustainability
11 - 50 employees

Travertine is a technology startup focused on decarbonization and sustainable materials. Their innovative process transforms sulfate byproducts from mining and fertilizer production into carbon-negative building materials and sulfuric acid, addressing both waste management and environmental concerns. By integrating direct air capture technology, Travertine not only removes CO2 from the atmosphere but also produces green hydrogen, positioning itself as a leader in the circular economy and industrial decarbonization. With a strong team of engineers and scientists, they aim to scale their solutions to meet the demands of the largest industries while contributing to climate change mitigation.

Transaera
Transaera
3 jobs
Community and Lifestyle
Energy
Manufacturing
Professional Services
Sustainability
11 - 50 employees
Seed

Transaera is revolutionizing air conditioning with its advanced materials that efficiently remove moisture from the air before cooling, significantly reducing energy consumption and greenhouse gas emissions. Their innovative technology, which includes proprietary coatings and devices, works with standard AC equipment to provide scalable, affordable, and energy-efficient solutions, particularly targeting humid, tropical regions where access to air conditioning is limited. With a focus on sustainability and comfort, Transaera aims to meet the growing demand for air conditioning while minimizing environmental impact, positioning itself as a leader in the climatetech space.

DeepTech
Energy
Hardware
Manufacturing
Sustainability
11 - 50 employees
Seed

Ayrton Energy is revolutionizing the energy sector by providing innovative hydrogen solutions through their Liquid Organic Hydrogen Carrier (LOHC) technology. This breakthrough technology simplifies the storage and transportation of hydrogen, making it safer and more efficient for long-distance use. As the demand for clean energy surges, Ayrton's scalable and reliable solutions position them as a key player in the transition to sustainable energy sources, aiming to democratize energy access for a more equitable world.

Data and Analytics
Energy
Sustainability
51 - 200 employees
Series C+

Line Vision is a Boston-based data company that provides patented hardware solutions to utility partners, enhancing grid resilience, safety, and security. Their innovative technology includes non-contact sensors and integrated software for Dynamic Line Ratings, which allow utilities to increase transmission capacity by up to 40% while ensuring compliance with safety standards. With a focus on integrating renewable energy and mitigating extreme weather impacts, Line Vision positions itself as a leader in the energy transition, helping utilities optimize their existing infrastructure and improve operational efficiency. The company has established partnerships with major utilities across North America and beyond, demonstrating significant traction in the market.

Lithios
Lithios
1 jobs
DeepTech
Energy
Manufacturing
11 - 50 employees
Seed

Lithios is a technology company focused on commercializing a novel electrochemical platform for sustainable and low-cost lithium extraction from untapped resources. Their Advanced Lithium Extraction (ALE) process significantly reduces energy requirements while increasing lithium yield, positioning them as a leader in the green tech sector. With a strong team of experts from prestigious institutions and recognition in industry publications, Lithios is poised to play a crucial role in meeting the growing demand for lithium in electric vehicles and renewable energy storage.

Sustaine
Sustaine
1 jobs
Energy
Sustainability
1 - 10 employees
Pre Seed

Sustaine simplifies energy savings for businesses by providing a free online tool that helps identify the best energy options, including renewables and energy efficiency solutions. Their proprietary software offers tailored recommendations, allowing clients to compare bids from qualified providers, ultimately leading to significant cost reductions and cleaner energy sources. With a focus on transparency and simplicity, Sustaine has already assisted hundreds of businesses in reducing their operating expenses by 20-40%, leveraging government subsidies and low-cost financing options. Their market position is strengthened by a commitment to long-term customer relationships and ongoing support throughout the energy-saving process.