The U.S. Department of Energy is a government agency established in 1977, located in Washington, D.C. Its primary mission is to ensure the security and prosperity of the nation by tackling energy, environmental, and nuclear challenges. The Department focuses on promoting transformative scientific and technological solutions to address these issues, thereby supporting the country's energy needs and environmental sustainability.

Kingspan is a global building materials company specializing in high-performance insulation, building envelope systems, and related solutions that improve energy efficiency and reduce carbon emissions. Its product portfolio spans insulation, roofing and related building fabric, natural light ventilation, water recycling and piping/ducting for HVAC, with capabilities extended into solar integrations through Kingspan Energy, which combines design, engineering, installation, and in-house financing to turn roofs into energy-generating assets. The company operates worldwide with a broad manufacturing footprint across numerous countries, serving commercial, industrial, and public sector markets. Kingspan emphasizes net-zero and sustainable construction, delivering turnkey solutions that integrate energy efficiency with building performance, including water management and environmental solutions via its Kingspan Water & Energy division. The group positions itself as a global leader in high-efficiency building envelopes and related sustainability technologies.

Founded in the 17th century, Saint-Gobain is a French multinational corporation that designs, manufactures, and distributes a wide array of building materials. Its product portfolio includes glass, roofing, insulation, and other construction solutions. With approximately two-thirds of its sales generated in Europe, primarily serving the construction industry, the company aims to provide innovative products that enhance comfort, performance, safety, and sustainability.

Owens Corning is a leading global producer of residential and commercial building materials, glass-fiber reinforcements, and engineered materials for composite systems. Committed to driving sustainability, the company delivers innovative solutions, transforms markets, and enhances lives.

BrandSafway is a global provider of specialized services for industrial, commercial, and infrastructure markets. It offers a comprehensive range of forming, shoring, scaffolding, work access, and industrial service solutions, supporting maintenance, refurbishment, new construction, and expansion projects with expert local labor and management.

Founded in 2007, Innovate UK is a non-profit organization based in Swindon, UK. It supports businesses across various economic sectors by offering funding services to promote science and technology innovations.

The National Science Foundation is an independent federal agency in the United States that funds and supports research and education in science and engineering. It funds fundamental research and education across all fields of science and engineering and administers non-dilutive funding programs to aid early‑stage technology development, helping translate discoveries into commercially viable products and services. Through grants and fellowships, the NSF supports researchers, educators, and startups, contributing to innovation and U.S. competitiveness. The agency operates with a substantial budget to advance science, engineering, and STEM education nationwide.

Established in 2009, the Massachusetts Clean Energy Center is a state agency dedicated to accelerating clean energy development and implementation. It aims to create high-quality jobs and long-term economic growth by facilitating renewable energy generation projects and developing a skilled workforce.

Controlled Environment Systems (CES) specializes in the design, installation, and support of controlled environments for various sectors, including business, scientific, and industrial applications. Established in 1985, the company has built a strong reputation for its expertise in cold storage and insulated metal panel systems. CES provides tailored solutions for pharmaceutical manufacturers and other industries that require spaces with exact environmental specifications. Their services encompass the creation of specialized rooms and structures, ensuring that clients meet rigorous standards for temperature and humidity control. With a focus on quality and precision, CES has become a trusted partner for construction teams, architects, and building planners nationwide.

Lindab is an international group that specializes in developing, manufacturing, marketing, and distributing products and system solutions aimed at simplifying construction processes and enhancing indoor climate. The company operates through two primary segments: Ventilation Systems and Profile Systems. The Ventilation Systems segment provides air duct systems, accessories, and solutions for ventilation, cooling, and heating, catering to installers and customers in the ventilation industry. In contrast, the Profile Systems segment focuses on the construction sector, offering sheet metal products for rainwater management, as well as solutions for roofs, walls, and structural steel profiles. Lindab's diverse product offerings are designed to meet the needs of the construction industry while promoting energy efficiency and improved living conditions.

SFC Capital is a United Kingdom based venture capital firm founded in 2012 that focuses on early-stage investments, including pre-seed and seed rounds, in sectors such as software, technology, e-commerce, consumer products, enterprise solutions, green technology, medical technology, and hospitality. It backs UK startups through an Angel Network and seed funds, providing capital and guidance and offering access to SEIS- and EIS-qualifying investment opportunities. The firm is described as a leading seed investor in the UK.

Carlisle Companies is a holding company specializing in the manufacture and distribution of highly engineered products for the commercial building industry, primarily through its segments, Carlisle Construction Materials and Carlisle Weatherproofing Technologies. The company offers a diverse product portfolio that includes single-ply roofing products, moisture protection solutions, protective roofing underlayments, integrated air and vapor barriers, spray polyurethane foam, and coating systems. Additionally, it provides airflow hardware and accessories, such as liquid duct sealants, rolled sealants, adhesives, coatings, and flashing tapes. The majority of Carlisle's revenue is generated from its Construction Materials segment, with a significant portion derived from sales within the United States.

MassVentures is a venture capital firm based in Waltham, Massachusetts, established in 1978 as a quasi-public corporation by the Massachusetts Legislature. The firm focuses on providing seed and early-stage funding to high-growth startups, facilitating their transition from concept to commercialization. MassVentures invests primarily in sectors such as information technology, healthcare, cybersecurity, e-commerce, mobile, manufacturing, and robotics. With a governance structure that includes an independent Board of Directors and management by experienced venture capitalists, MassVentures leverages the state's entrepreneurial spirit and innovation centers to support the Massachusetts innovation economy. The firm also offers accelerator programs to further assist emerging companies in their growth journey.

M-D Building Products is a manufacturer specializing in a variety of weatherproofing solutions and flooring tools for both residential and commercial applications. The company designs, produces, and markets essential products such as door and window weatherstripping, garage door weatherstripping, and pipe insulation, all aimed at reducing energy leaks. In addition to these weatherization products, M-D Building Products also offers aluminum and wood flooring transitions, as well as installation tools. Their products are distributed through hardware stores, specialty distributors, and original equipment manufacturers, ensuring a wide reach in the market.

Icynene Inc., established in Ontario in 1986, specializes in the manufacturing and distribution of high-performance spray foam insulation products. Over the past 25 years, the company has installed over 3 billion board feet of its spray foam insulation in more than 300,000 residential and commercial projects. Icynene's products are designed to insulate and air seal in a single step, making them ideal for hard-to-insulate areas while helping to reduce heating and cooling costs. The company’s insulation solutions have been recognized in numerous prestigious projects, including those associated with the American Lung Association, the Department of Energy, and Yale University. Icynene's commitment to sustainable building practices has also led to its features on various television programs focused on green construction.

Masco Corporation is a prominent designer, manufacturer, and distributor of home improvement and building products, with operations in North America, Europe, and other international markets. The company is divided into two main segments: Plumbing Products and Decorative Architectural Products. The Plumbing Products segment includes a wide range of offerings such as faucets, showerheads, toilets, and various plumbing components, marketed under established brands like DELTA, BRIZO, and HANSGROHE. The Decorative Architectural Products segment provides paints, coatings, cabinet hardware, and decorative lighting solutions, with products sold under brands such as BEHR and KICHLER. Additionally, Masco is a key provider of installed products and services for homebuilders, including insulation. The company, founded in 1929 and headquartered in Livonia, Michigan, has built a reputation for quality, innovation, and performance in the home improvement industry. Its products are distributed through various channels, including wholesalers, home centers, and online retailers.

Breakthrough Energy Ventures is an investor-led venture capital firm based in Kirkland, Washington, focused on climate and energy technology. It makes minority investments across seed, early, and later stages in companies delivering environmental services, climate technology, and cleantech solutions. The firm seeks scalable technologies that provide reliable, affordable power while reducing greenhouse gas emissions and supports innovations that address energy access, infrastructure, and transportation needs. Its mission emphasizes patient, impact-oriented investing to accelerate the transition to low-emission energy systems.

Western Thermal Limited is a subsidiary of Indsur Global Limited, specializing in thermal insulation services across the Middle East and Continental Europe. The company offers a range of services, including heating and ventilation insulation, thermal energy auditing, ductwork fabrication, trace heating, and fire stopping, as well as jacket and valve covers. Through its focus on thermal management solutions, Western Thermal aims to enhance energy efficiency and safety in various industrial applications.

Founded in 1995, SOSV is a global venture capital firm headquartered in New Jersey. It focuses on seed-to-growth stage investments in deep tech innovations, primarily in bio-tech/life sciences and hardware/robotics sectors, with a commitment to human and planetary health.

Plixxent is a manufacturer specializing in innovative polyurethane-based technologies and tailored systems. The company serves various industries, including construction, energy, insulation, footwear, appliances, furniture, and automotive. With extensive expertise in the development, production, and processing of polyurethane materials, Plixxent offers a diverse range of products such as insulation materials, foams, and shoe soles. The company prides itself on its independence in raw material procurement and boasts a European team with decades of experience, enabling it to provide comprehensive support throughout the entire value chain, from initial consultation to aftersales assistance.

HCS Group GmbH is a manufacturer of specialty chemicals and hydrocarbons, focusing on delivering sustainable growth across various industries. The company leverages its expertise in both specialty chemicals and petrochemicals to produce high-quality products. HCS Group serves a diverse range of sectors, including agrochemicals, automotive, construction, electronics, heating, insulation, laboratory chemicals, and pharmaceuticals. With multiple manufacturing centers, HCS Group is committed to meeting the specific needs of its customers while promoting sustainability in its operations.

Fasadgruppen Group is a supplier specializing in the outer shell of buildings, providing a range of sustainable and energy-efficient services. Their offerings include plastering, masonry, renovations of windows and balconies, thermal insulation, scaffolding, carbon fiber reinforcement, and facade services. The company caters to a diverse clientele, which includes property owners, construction companies, property managers, consultants, housing cooperatives, as well as state bodies and municipalities. Through its comprehensive service portfolio, Fasadgruppen Group aims to enhance the functionality and aesthetics of building facades while promoting sustainability in the construction industry.

The Lindner Group is Europe’s leading manufacturer and contractor for the building envelope, interior fit-out and insulation.

Quanex Building Products is a manufacturer specializing in components for original equipment manufacturers within the building products industry. Its primary offerings include window and door components such as flexible insulating glass spacers, extruded vinyl profiles, screens, solar panel sealants, and precision-formed metal and wood products.

Undivided Ventures is an impact investment firm based in Hong Kong, founded in 2021. The firm invests globally in early-stage companies that address critical sustainability challenges within the built environment. Its investment focus includes sectors such as decarbonization, climate adaptation, circularity, nature-positive initiatives, and social value. By supporting innovative businesses in these areas, Undivided Ventures aims to promote sustainable development and contribute to a more resilient and environmentally responsible future.

Bpifrance is a financial institution dedicated to supporting companies throughout their development stages, particularly those preparing for stock market listing and seeking credit equity. The organization provides a range of financial solutions, including financing, innovation assistance, and capital investment. By integrating various entities such as OSEO and CDC Entreprises, Bpifrance aims to deliver tailored financial support that addresses the specific needs of businesses. The institution is committed to fostering innovation and helping companies transition toward sustainable growth, ensuring they are well-equipped to face future challenges.

Founded in 2016, Climate Investment is a venture capital firm based in London. It focuses on investing in companies operating in energy, technology, transportation, buildings, and related industries to facilitate the transition to lower carbon emission sources.

Founded in 2005, KLH Capital is a private equity firm based in Tampa, Florida. It focuses on providing minority and majority equity investments to family- and founder-owned lower middle-market companies, enabling ownership opportunities for key managers and allowing owners to realize the value of their businesses. The firm goes beyond financial support by establishing collaborative teams with management, unlocking companies' full potential and creating value.

Founded in 2013, Dunes Point Capital is a private investment firm based in Rye, New York. It focuses on control investments in the general industrial and energy sectors, seeking opportunities to partner with management teams for long-term growth through organic expansion and operational improvements.

Established in 2020, the European Innovation Council supports innovative startups and researchers with promising ideas, focusing on early-stage companies with positive environmental, social, or governance impacts. It co-invests alongside private investors.

EASME is a European Union executive agency that supports small and medium-sized enterprises and promotes innovation in Europe. It manages projects in the areas of small and medium-sized enterprises, as well as the environment, energy, and maritime sectors, funded by COSME, LIFE, and EMFF. EASME organizes the European Sustainable Energy Week and serves industries such as environmental management, energy production, and maritime activities.

Prelude Ventures is a San Francisco-based venture capital firm established in 2013, dedicated to investing in early-stage startups that aim to address climate change. The firm focuses on sectors such as advanced energy, food and agriculture, transportation, logistics, advanced materials, manufacturing, and advanced computing. By supporting innovative businesses in these areas, Prelude Ventures seeks to foster the development of the next generation of companies that can significantly impact environmental sustainability and contribute to a more sustainable future.

Business Growth Fund, established in 2011, is a prominent investor in small and mid-sized businesses, offering patient capital and strategic support to growing companies and ambitious entrepreneurs. As the UK and Ireland’s most active investor in small and medium-sized companies, they have £2.5bn to support businesses across various sectors and regions. With 14 offices, they are closely connected to the businesses they invest in. Boasting a team of over 150 professionals and a network of board-level executives, they aim to drive economic activity by enabling entrepreneurs to scale up their businesses and contribute to increased employment, exports, and overall growth. The companies in their portfolio collectively employ close to 50,000 people, highlighting their significant impact on the business landscape.

NCI Gestion is a private equity firm based in Rouen, France, founded in 1999. It functions as a private investor that offers its expertise for investing in both public and private markets. The firm seeks to back companies across sectors including agriculture, construction, logistics, digital, hardware, e-commerce, food technology, information, and technology, providing capital along with strategic support to help business creation, development and transfer projects.

Holcim is a global manufacturer of building materials formed by the 2015 merger of Lafarge and Holcim, creating a leading position in cement, aggregates and related products. The company generates most of its revenue from building materials, with cement and aggregates as core offerings, and about half of its revenue comes from Europe. In 2025, Holcim spun out its North American operations as part of a portfolio restructuring, while continuing to supply cement and other building materials to customers worldwide.

Kartesia is an independent, privately owned European specialist financier focused on small and middle-market companies. It provides long-term liquidity and credit solutions to support growth across Europe, with activity in manufacturing, media, business services, and consumer goods. Founded in 2013 and headquartered in London, Kartesia uses a diversified capital approach, investing through equity, quasi-equity, senior debt, second lien, mezzanine debt, and hybrid debt to help clients meet financing needs.

Builders FirstSource is a leading manufacturer and supplier of building materials, specializing in structural products such as roof and floor trusses, wall panels, stairs, vinyl windows, and engineered wood. Since its inception in 1998, the company has expanded significantly through strategic acquisitions, including the notable purchase of ProBuild Holdings in 2015, which enhanced its scale and geographic reach. Builders FirstSource operates approximately 400 locations across 40 states and serves a diverse customer base, from large production builders to small custom homebuilders. In addition to providing a wide range of high-quality products, the company offers construction-related services, including professional installation and turn-key framing. By combining local personalized service with the resources of a large organization, Builders FirstSource aims to be the preferred supplier for homebuilders and remodelers nationwide.

Scottish EDGE is a Glasgow-based organization that runs a competitive funding program to identify and support Scotland’s innovative, high-growth entrepreneurial talent. Established in 2014, it provides grants and loans to early-stage startups, social enterprises, and charities, alongside mentorship and ongoing follow-up support to help participants develop and scale their ventures. The program offers financial awards ranging from £10,000 to £100,000 and prize funding up to £150,000, reinforcing its role as a leading source of early-stage capital and advisory assistance for Scotland’s entrepreneurial ecosystem.

Established in 2012 and headquartered in Schiltigheim, France, Capital Grand Est is a private equity firm focused on supporting businesses within the Grand Est region.

PT1 is an independent venture capital firm based in Berlin, Germany, specializing in pre-seed and seed investments in transformative real asset technologies. The firm targets startups that are positioned to address the significant challenges arising from the scarcity of natural resources and the evolving demands in real estate, infrastructure, and energy sectors. By leveraging a proprietary AI-enabled deal flow database, PT1 identifies and supports innovations in real assets that align with current megatrends. The firm boasts a pan-European team comprised of entrepreneurs and experienced venture partners, bringing together diverse expertise from successful founders to industry veterans. This collaborative environment fosters a wealth of knowledge and connections, enhancing PT1's ability to nurture impactful startups. Additionally, PT1 is part of the ERIC Group, a collective that includes high-net-worth individuals, entrepreneurs, and forward-thinking investors, all of whom seek to achieve financial returns while gaining insights and access to data and technology that can aid their own transformational efforts.

BonVenture is a Munich-based venture capital firm founded in 2003 that focuses on social impact investing and ecological technologies. It is described as the first investment company in the German-speaking region dedicated to social impact. BonVenture invests in social enterprises and supports them with capital, expertise, and access to networks to help establish and scale innovations, while guiding organizational development and growth. By partnering with social entrepreneurs, BonVenture aims to strengthen ventures and promote the development of social innovations at scale.

The Scottish Investment Bank is a public body supporting economic growth in Scotland. It facilitates finance for small to medium-sized businesses, focusing on sectors such as renewable energy, technology, life sciences, and creative industries. The bank works closely with portfolio companies to strengthen management teams and accelerate growth.

TRICAPITAL is an established business angel syndicate located in Melrose, Scotland, founded in 2004. The organization consists of members who invest in a diverse portfolio of high-potential, high-growth start-ups and innovative companies primarily throughout Scotland and the north of England. TRICAPITAL collaborates with entities such as Scottish Enterprise and the Scottish Investment Bank, as well as other angel syndicates, to identify and support dynamic businesses that align with its members' investment goals. The syndicate actively engages with the companies it backs, fostering their growth and development. TRICAPITAL is open to welcoming new investor members who share its commitment to nurturing the entrepreneurial landscape in the region.

Trilantic Capital Partners is a private equity firm established in 2009 as a spin-out from Lehman Brothers Merchant Banking. It targets investments in consumer, business services and energy, with a global footprint anchored by a European arm. The firm emphasizes partnering with management teams, entrepreneurs and family-owned businesses, and employs flexible deal structures to support growth and buyouts. Trilantic Europe focuses on control and co-control investments in Western Europe, pursuing add-on and growth transactions in sectors including consumer and leisure, energy transition, industrials, technology, media, telecommunications, business services and healthcare, with a focus on ESG considerations. The firm carries on the LBMB legacy of building and scaling companies and leverages its historical track record of investments to support management teams in creating durable value.

Khosla Ventures is a California-based venture capital firm founded in 2004 by Vinod Khosla. It provides capital and strategic guidance to startups across stages, focusing on technology-driven companies in areas such as artificial intelligence, climate and sustainability, enterprise software and services, fintech, digital health, medical technology and diagnostics, therapeutics, consumer products, and frontier technologies. The firm backs bold ventures with the potential to disrupt markets and improve lives, supporting companies from early to growth stages and working closely with entrepreneurs to apply science, technology and innovative business models. While primarily investing in North American technology companies, Khosla Ventures pursues opportunities globally and emphasizes experimentation and impact alongside financial returns. The firm also maintains related impact initiatives that support entrepreneurs addressing socio-economic challenges in emerging markets.

Founded in 2020, 2150 is a venture capital firm headquartered in Copenhagen, Denmark. It invests in technology companies focused on shaping sustainable cities of the future.

Founded in 2015, Wind Capital is a venture capital fund focused on impact investing. It specializes in European deeptech startups addressing climate challenges across sectors such as renewable energy, new mobility, and circular economy.

US LBM is a building materials company specializing in the distribution of specialty products such as windows, doors, millwork, roofing, siding, cabinetry, wallboard, and wood products. Serving both residential and commercial construction markets, US LBM enables clients to build, maintain, and renovate homes and businesses across the United States.

Founded in 1851, MassMutual is a mutual life insurance company headquartered in Springfield, Massachusetts. It offers a range of financial services including investment management, trust services, life insurance, disability income insurance, long-term care insurance, annuities, mutual funds, and retirement products.

Leon Capital is a private equity firm based in Cambridge, United Kingdom, founded in 2022. It works with forward-thinking teams to drive transformational change and build regional or international champions. The firm concentrates on healthcare services, business services, software, and energy transition, primarily in Western Europe, and partners with leading mid-market European tech-enabled services companies to develop national and international champions. It serves family and founder-owned businesses, adopting a family partnership mindset that reflects its investor base and network.