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Portfolio Careers

Our portfolio companies are mission-oriented, well funded, diverse, and disruptive. Hop onboard!
Showing 28 companies
DeepTech
Manufacturing
11 - 50 employees
Series A

Boston Materials is a manufacturer of advanced energy transfer materials, focusing on thermal interface materials, composite materials, and fuel cell bipolar plates. Their patented Z-axis Fiber™ technology utilizes vertically aligned carbon fibers to enhance energy transfer properties, addressing critical challenges in thermal management, electrification, and lightweighting across high-growth industries such as semiconductors, electrified vehicles, and aerospace. With a production capacity of 1,000,000 square meters annually and plans for expansion, Boston Materials is positioned to meet the demands of trillion-dollar markets while maintaining a commitment to quality and innovation.

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.

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.

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.

Nth Cycle
Nth Cycle
3 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.

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.

DeepTech
Energy
Hardware
Manufacturing
Sustainability
11 - 50 employees
Seed

Ayrton Energy is to provide energy security fueled by hydrogen. It was founded in 2021.

Lithios
Lithios
3 jobs
DeepTech
Energy
Manufacturing
11 - 50 employees

Lithios is a technology company that uses electrochemistry for advanced lithium extraction from tough mixtures.

OXCCU
OXCCU
1 jobs
Biotechnology
DeepTech
Energy
Sustainability
11 - 50 employees

OXCCU develops renewable energy technology with the goal of achieving a circular economy for fuels, chemicals, and plastics. The technology offered by the company combines carbon dioxide from the atmosphere with hydrogen from water and renewable electricity to produce fuels, chemicals, and biodegradable plastics.

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

Sustaine brings low-cost energy, renewables and energy efficiency to businesses and institutions.

Energy
Finance
Lending and Investments
Sustainability
11 - 50 employees

Clean Energy Ventures invests in seed-stage climate tech startups in North America, Europe, and Israel. The company's investments are commercializing disruptive clean energy technologies and business model innovations and achieving significant scale by taking advantage of market-driven forces to address climate change.

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.