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 Group is a global leader in sustainable building solutions, specializing in high-performance insulation, building fabric, and solar integrated building envelopes. The company offers a broad range of products and services, including water management solutions, energy-efficient roofing systems, and innovative financing options for solar photovoltaic (PV) solutions. With a strong commitment to a net-zero carbon future, Kingspan operates over 210 manufacturing sites in more than 80 countries, delivering low cost, low carbon building solutions across diverse market sectors.

Saint-Gobain is a French multinational company that designs, manufactures, and distributes a wide range of building materials primarily for the construction industry. The company offers innovative solutions, including insulation systems, water supply systems, solar solutions, and various construction materials. With a history dating back to the 17th century, Saint-Gobain has established a significant presence in Europe, generating approximately two-thirds of its sales in the region, with France accounting for 25%. The company focuses on addressing the growing demand for energy efficiency and environmental protection while providing comfort, performance, and safety in its products. Saint-Gobain aims to meet the challenges of sustainable construction and resource efficiency, contributing to climate change mitigation through its diverse offerings.

Owens Corning is a prominent global manufacturer based in Toledo, Ohio, specializing in building materials, glass-fiber reinforcements, and engineered materials for composite systems. The company operates through three main segments: Composites, Insulation, and Roofing, with the Roofing segment being the largest revenue generator. Owens Corning produces a variety of products, including laminate and strip asphalt roofing shingles, roofing components, and synthetic packaging materials, catering to the increasing demand for durable and visually appealing construction solutions. As a Fortune 500 company for over five decades, Owens Corning is dedicated to sustainability, focusing on innovative solutions that transform markets and improve lives. The majority of its revenues come from operations in the United States, reflecting its strong presence in the domestic building materials market.

Innovate UK is a non-departmental public body established in 2007 and based in Swindon, United Kingdom. Funded by a government grant, it supports innovation in science and technology by providing funding services to businesses across various sectors and regions. The organization aims to drive productivity and economic growth by facilitating advancements that contribute to the UK’s economic landscape. In addition to funding, Innovate UK offers a range of services and information related to business and economic development, thereby fostering a supportive environment for innovation.

The National Science Foundation (NSF) is an independent federal agency established in 1950 and based in Alexandria, Virginia. It is dedicated to supporting research and education in science and engineering across a wide range of disciplines. The NSF provides significant non-dilutive funding, up to $1.5 million, to startups and small businesses through its America's Seed Fund initiative, which is part of the Small Business Innovation Research (SBIR) program mandated by Congress. With an operating budget of approximately $7.8 billion, the NSF is committed to advancing fundamental research and education, thus fostering innovation and technological development in the United States.

The Massachusetts Clean Energy Center (MassCEC) is a state agency established to promote the growth of the clean energy sector in Massachusetts. Founded in 2009 under the Green Jobs Act, MassCEC focuses on accelerating job creation and economic development within the clean energy industry. The organization provides early-stage investments to startups, offers renewable energy rebates for residents and businesses, and supports workforce development initiatives to prepare individuals for careers in clean energy. By leveraging the state's unique assets, MassCEC aims to facilitate the development of renewable energy projects and establish Massachusetts as a leader in the national and global clean energy landscape.

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.

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.

SFC Capital, established in 2012 and headquartered in London, is a venture capital firm that invests in early-stage, UK-based companies. It focuses on sectors such as software, technology, e-commerce, consumer, and enterprise. SFC Capital differentiates itself by combining angel networks and seed funds, offering investors exposure to SEIS- and EIS-qualifying businesses through direct investment or diversified portfolios managed by its expert team.

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.

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.

Breakthrough Energy, established in 2016 and headquartered in Kirkland, Washington, is an impact investment firm focused on combating climate change. It invests patiently over a 20-year period in cleantech and energy sectors, supporting companies from seed to commercialization stages. The firm's portfolio spans electricity generation and storage, transportation, industrial systems, agriculture, and energy efficiency, aiming to make power reliable, affordable, and climate-friendly. Breakthrough Energy Ventures, its investment arm, manages funds in the U.S. and Europe, with a goal to back 40 to 50 companies per fund.

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.

SOSV, established in 1995 and headquartered in Princeton, New Jersey, is a global venture capital firm specializing in early-stage investments. It focuses on deep tech innovations in the health and environmental sectors, supporting founders with breakthrough technologies through its HAX and IndieBio startup development programs. SOSV provides resources, facilities, and lab equipment to accelerate product development and scale, with a track record of helping its portfolio companies secure subsequent funding rounds led by top-tier investors.

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.

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.

KLH Capital, established in 2005 and headquartered in Tampa, Florida, is a private equity firm focusing on the lower middle market. It invests in family- and founder-owned businesses, providing minority or majority equity to facilitate ownership transitions and value creation. KLH Capital's investment strategy involves collaborating with management teams, combining their industry expertise with the firm's own to unlock a company's full potential. The firm currently manages KLH Capital Fund IV, a $200 million fund investing in value-added distribution, specialty services, and niche manufacturing companies across the United States.

Dunes Point Capital, established in 2013, is a Rye-based private investment firm with a 20-year track record of over $4 billion in transactions. It focuses on control investments in the general industrial and energy sectors, partnering with management teams to drive long-term growth and operational transformation. The firm, a wholly-owned subsidiary of White Group Holdings, seeks to build great companies through vision and long-term commitment, employing a thesis-driven investing approach.

Climate Investment is a venture capital firm established in 2016 and headquartered in London, United Kingdom. The company is dedicated to facilitating the transition to lower carbon emission energy sources by investing in innovative technologies and projects aimed at reducing greenhouse gas emissions, particularly methane and carbon dioxide. Climate Investment plays a significant role in addressing climate change by aligning with the commitments of major oil and gas companies under the Paris Agreement. Through its collaboration with the Oil and Gas Climate Initiative (OGCI), the firm aims to accelerate the development and implementation of strategies that minimize the carbon footprint of traditional energy operations while exploring new business opportunities and technologies in the energy sector.

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.

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.

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.

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.

Quanex Building Products Corp is a manufacturer of components sold to original equipment manufacturers in the building products industry. It manufactures engineered products like window and door components that include flexible insulating glass spacers, extruded vinyl profiles, window and door screens, solar panel sealants and precision-formed metal and wood products among others. Its three operating segments are North American Fenestration being the key revenue driver, European Fenestration, and North American Cabinet Components. Geographically, it derives a majority of revenue from the United States.

The European Innovation Council (EIC), established in 2020 and headquartered in Brussels, Belgium, is dedicated to supporting high-potential innovators, entrepreneurs, small enterprises, and researchers. Its primary focus is on fostering early-stage startups that demonstrate significant environmental, social, and governance (ESG) impacts. The EIC collaborates with private investors to co-invest in ventures, particularly within the deep technology sector, aiming to drive innovation and sustainable development across Europe. By providing financial backing and resources, the EIC seeks to enhance the growth potential of promising startups and contribute to a more innovative and competitive European economy.

Kartesia, established in 2013, is a London-based, independent, and privately-owned firm specialising in financing small and middle-market companies across Europe. It offers long-term liquidity and credit solutions, employing a rigorous and disciplined credit analysis approach.

NCI is a private equity firm based in Rouen, France, founded in 1999. The firm specializes in investing in both public and private markets, focusing on a diverse range of sectors, including agriculture, construction, logistics, digital technology, hardware, e-commerce, food technology, and information technology. NCI leverages its expertise to identify and support companies within these industries, aiming to foster growth and enhance value through strategic investments.

Scottish EDGE is a competition designed to identify and support innovative entrepreneurs in Scotland with high-growth potential. It focuses on nurturing start-ups and recognizes that ongoing support is essential for long-term success. The initiative offers prize funding of up to £150,000 to assist these emerging businesses, fostering a sustainable environment for entrepreneurial development. Through its comprehensive approach, Scottish EDGE aims to cultivate Scotland's entrepreneurial talent and contribute to the growth of the local economy.

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.

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.

Capital Grand Est is a private equity firm established in 2012 and located in Schiltigheim, France. The firm specializes in supporting and investing in businesses within the Grand Est region. With a focus on fostering growth and development, Capital Grand Est aims to enhance the potential of local companies across various sectors. Through its strategic investments, the firm contributes to the economic vitality of the region while providing valuable resources and expertise to its portfolio companies.

Trilantic Europe, established in 2009, is a private equity firm headquartered in Luxembourg City, Luxembourg, with a significant presence in London, United Kingdom. The firm focuses on control and co-control investments in Western Europe, primarily targeting companies with an enterprise value ranging from EUR 100 million to EUR 1 billion. Trilantic Europe invests across various sectors, including consumer and leisure, energy transition, industrials, technology, media, and telecommunications (TMT), business services, and healthcare. The firm is known for its flexible transaction structures and strong heritage of partnering with family-owned businesses and providing growth capital to exceptional management teams. Trilantic Europe's investment strategy is informed by the extensive experience of its founding partners, who previously worked together at Lehman Brothers Merchant Banking.

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.

Scottish Enterprise, established in 1991, is Scotland's principal economic development agency, operating as a non-departmental public body of the Scottish Government. Its mission is to stimulate Scotland's economic growth by fostering an innovative, high-wage, and productive economy with a strong international presence. The agency partners with both public and private sectors to identify and capitalize on opportunities that drive significant, lasting economic impact. Scottish Enterprise provides comprehensive support to businesses, including helping companies secure appropriate finance, strengthening management teams, and facilitating growth and export initiatives. It works closely with Scottish SMEs, as well as UK and international investors, such as business angels, venture capital groups, and corporate investors. The agency operates across Scotland in collaboration with Highlands and Islands Enterprise, aiming to increase the supply of finance for businesses and support the SME funding market.

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.

Holcim Group is a leading global manufacturer of a diverse array of building materials. Formed from the merger of Lafarge and Holcim in 2015, the company has established itself as a significant player in the construction sector. Holcim's portfolio management strategies have diversified its offerings, particularly in heavy building materials. A substantial portion of its revenue, approximately 40%, is generated from operations in North America, underscoring the company's prominent presence in this key market.

Wind Capital is a venture capital firm located in Paris, France. The company focuses on investing in various sectors, including media, retail, software, and software as a service (SaaS). By targeting these industries, Wind Capital aims to support innovative businesses and foster growth within the European market.

Leon Capital is a private equity firm established in 2022 and located in Cambridge, United Kingdom. The firm focuses on collaborating with innovative teams to drive transformational change and develop regional or international champions. Leon Capital primarily invests in sectors such as healthcare services, business services, software, and energy transition, with a particular emphasis on opportunities within Western Europe.

2150 is a venture capital firm founded in 2019 and headquartered in Copenhagen, Denmark. The company focuses on investing in technology firms that aim to create sustainable urban environments. It targets a diverse range of sectors, including clean technology, climate technology, energy, financial services, artificial intelligence, and mobility technology, among others. 2150 emphasizes impact investing and seeks to support innovative companies that contribute to the development of smarter and more sustainable cities across the United States, Canada, Europe, and Asia.

Khosla Impact, established in 2013, is an impact investment firm based in Menlo Park, California. It focuses on assisting high-impact entrepreneurs who develop products and services for the three billion people at the bottom of the world's economic pyramid. The firm invests in for-profit enterprises serving low-income individuals and small businesses in emerging markets, with a primary focus on South Asia. Khosla Impact encourages experimentation and supports entrepreneurs passionate about solving socio-economic challenges through technology and innovative business models.

Tecta America Corp. is a leading commercial roofing contractor based in Rosemont, Illinois, specializing in a wide range of services for various sectors, including commercial office, healthcare, hospitality, and government. Founded in 2000, the company provides comprehensive solutions such as new roof installation, roof replacement, repairs, planned maintenance, and disaster response. Its offerings include diverse roofing systems and materials, such as built-up roofs, modified bitumen, and green roof solutions, as well as advanced sustainability options like solar photovoltaics. Tecta America also emphasizes proactive service programs, including regular maintenance visits and storm recovery initiatives, to help clients manage their roofing assets effectively. With locations across numerous states, Tecta America is well-positioned to serve its clients' roofing needs nationwide.

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, founded in 2003 and based in Munich, Germany, is a non-profit venture capital firm that focuses on social impact investing in the German-speaking region. It provides investors with the opportunity to allocate social venture capital to enterprises dedicated to addressing social challenges. BonVenture partners with social entrepreneurs, offering them not only financial support but also expertise and valuable connections to help establish and grow their organizations. The firm is committed to financing early-stage and later-stage companies that demonstrate measurable social and ecological impact, thereby promoting the development and scaling of social innovations.

MassMutual Ventures, established in 2014, is the venture capital arm of MassMutual Financial Group, a Fortune 500 insurance company founded in 1851. Based in Boston, Massachusetts, the firm invests in enterprise software-as-a-service, cybersecurity, health technology, financial technology, and climate technology sectors. MassMutual Ventures provides capital, connections, and advice to accelerate the growth of its portfolio companies, with a focus on enterprise software, cybersecurity, and fintech.

One Planet Capital is a venture capital firm established in 2020 and based in London, United Kingdom. The firm focuses on investing in early-stage companies across various sectors, including clothing, technology, building, transport, and environmental services. One Planet Capital aims to drive positive global change by supporting businesses that contribute to the green industrial revolution and challenge conventional practices. Through its investments, the firm seeks to unlock the potential of innovative companies while promoting sustainability and social impact.

US LBM Holdings is a building materials company that specializes in the distribution of a wide range of products for residential and commercial construction markets. Its extensive portfolio includes lumber, windows, doors, millwork, roofing, siding, cabinetry, and wallboard. The company serves home-builders and specialty contractors, providing essential materials that support construction projects. Through its focus on specialty building materials, US LBM plays a significant role in the supply chain, catering to the needs of various construction end markets.

Iberdrola is a leading global utility company engaged in the production, distribution, and retail of electricity and gas across nearly 40 countries. With a diverse portfolio of 56 gigawatts, it primarily generates electricity from nuclear, fossil-fuel, hydroelectric, and renewable energy sources, with wind power representing approximately 40% of its capacity. The company operates significant electricity and distribution networks in Spain, the UK, Brazil, and the US, where it maintains a strong presence. Iberdrola is committed to advancing the energy transition through a sustainable business model that emphasizes renewable energy, smart grids, large-scale energy storage, and digital transformation, aimed at delivering innovative products and services to its customers. In addition to its generation activities, Iberdrola is involved in gas storage and supply, reinforcing its position as a comprehensive energy provider.

Peloton Equity, LLC, established in 2014 and headquartered in Greenwich, Connecticut, is a private equity firm focused on the healthcare sector. It specializes in growth capital and buyout investments, targeting lower middle-market companies with revenues between $20 million and $200 million and EBITDA between $5 million and $10 million. The firm invests across various healthcare subsectors, including services, clinical products, and IT/outsourced services, typically committing between $15 million and $30 million per investment. Peloton Equity also considers co-investment opportunities and seeks control, majority, or minority positions in its portfolio companies.