The green building construction industry focuses on creating environmentally responsible and resource-efficient buildings throughout their life cycle. This includes site selection, design, construction, and maintenance utilizing sustainable materials and technologies. Companies in this sector often specialize in areas such as energy efficiency, renewable materials, and waste reduction, aiming to minimize their carbon footprint. As awareness grows regarding climate change, the industry heads toward innovative practices and certifications, enhancing building performance while ensuring sustainability. It remains positioned at the forefront of addressing various environmental challenges facing modern urban development.

This article presents 23 notable green building construction companies, varying in size from small teams to large enterprises. Based in locations like the United States, Germany, and Italy, these firms were founded between 1912 and 2019. They specialize in sustainable residential and commercial construction, offering services ranging from design to project management. With commitments to energy efficiency and eco-friendly practices, they cater to a growing demand for green solutions in construction.

Continue reading to discover the top green building construction companies.

Top 23 Green Building Construction Companies

1. Green Hammer Design Build

• Website: greenhammer.com
• Ownership type: Private
• Headquarters: Portland, Oregon, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: green-hammer-inc.

Green Hammer Design Build, based in Portland, Oregon, is a private sustainable construction company founded in 2002. With a team of 11 to 50 employees, they specialize in high-performance building and green architecture. Their services include resilience action planning, consulting, and healthy interior design, aimed at creating energy-efficient and healthy living environments for homeowners, businesses, and organizations. Green Hammer is committed to integrating eco-friendly practices throughout the design and construction process. They are a certified B Corporation, reflecting their dedication to social and environmental performance. The company has a strong track record in achieving various green building certifications, including LEED Platinum and Living Building Challenge, and has been recognized for their innovative projects, such as the Cowhorn Vineyard & Garden, which became the first tasting room to achieve Living Building Challenge certification. Green Hammer's focus on sustainable practices and their involvement in the community position them as a significant player in the green building industry.

2. HUF HAUS GmbH & Co. KG

• Website: huf-haus.com
• Ownership type: Family Owned
• Headquarters: Hartenfels, Rhineland-Palatinate, Germany
• Employee distribution: Germany 83%, Switzerland 8%, United Kingdom (UK) 8%
• Founded year: 1912
• Headcount: 201-500
• LinkedIn: huf-haus-gmbh-%26-co-kg

HUF HAUS GmbH & Co. KG, founded in 1912 and based in Hartenfels, Rhineland-Palatinate, Germany, is a family-owned construction company that specializes in prefabricated houses and modern timber architecture. With a workforce of approximately 201-500 employees, HUF HAUS has established itself as a prominent name in the construction industry, particularly in the realm of sustainable residential solutions. The company offers a variety of housing options, including single-family and multi-family homes, all designed with a strong emphasis on sustainability and energy efficiency. HUF HAUS caters primarily to individual home buyers looking for custom designs that harmonize with their natural surroundings. Their commitment to quality craftsmanship and innovative building techniques is evident in their use of high-quality materials and advanced construction methods. HUF HAUS has also received recognition for its sustainable practices, as evidenced by the awards it has garnered from the German Society for Sustainable Building, which includes the Gold and Platinum plaques for its houses. This reflects their dedication to creating homes that not only meet but exceed modern environmental standards.

3. Green Canopy NODE

• Website: greencanopynode.com
• Ownership type: Venture Capital
• Headquarters: Seattle, Washington, United States (USA)
• Employee distribution: United States (USA) 92%, Canada 8%
• Latest funding: Seed, $150,000, February 2022
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: green-canopy

Green Canopy NODE, founded in 2010 and based in Seattle, Washington, is a real estate developer dedicated to sustainable housing solutions. The company offers a range of services, including development, construction management, and consulting, with a strong focus on all-electric and net-zero energy homes. They cater to real estate developers and investors who seek innovative and efficient building practices. Green Canopy NODE operates primarily in the Pacific Northwest and has built over 300 homes that meet high sustainability standards, certified by organizations like Built Green and Earth Advantage. Their approach includes the use of prefabricated building kits, which enhance construction speed and efficiency. In 2022, they secured seed funding of approximately $149,985, indicating ongoing investment in their mission to revolutionize the construction industry and promote healthier living environments.

4. Isola Homes

• Website: isolahomes.com
• Ownership type: Private
• Headquarters: Bellevue, Washington, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: isola-homes

Isola Homes, founded in 2009 and based in Bellevue, Washington, is a home builder that specializes in constructing modern, green homes primarily in the Seattle area. The company is dedicated to sustainable design and energy efficiency, offering residential construction services that cater to environmentally conscious home buyers. Isola Homes emphasizes quality craftsmanship and innovative construction techniques, ensuring that each home is not only aesthetically pleasing but also built to last. Their commitment to environmental stewardship is evident in their use of eco-friendly materials and practices, such as recycling construction waste and sourcing local materials. Isola Homes is proud to be a local business, actively contributing to the communities in which they operate. They have been recognized with multiple Built Green Hammer Awards, highlighting their achievements in building energy-efficient homes. The company operates with a philosophy centered on integrity, function, and design, striving to meet the evolving needs of homeowners while promoting a healthier living environment.

5. Rabot Dutilleul

• Website: rabotdutilleul.com
• Ownership type: Private
• Headquarters: Wasquehal, Hauts-De-France, France
• Employee distribution: France 100%
• Latest funding: Other (Debt), $6.0M, June 2022
• Founded year: 1920
• Headcount: 501-1000
• LinkedIn: rabot-dutilleul

Rabot Dutilleul is a construction and real estate development firm based in Wasquehal, Hauts-De-France, France. Founded in 1920, the company has evolved from its origins in concrete construction to a comprehensive provider of construction services, specializing in sustainable building practices. With a workforce of approximately 524 employees, Rabot Dutilleul operates across the entire value chain of real estate and construction, serving both private and public clients. The firm has reported a revenue of €350 million in 2023, with a notable 45% of its business coming from rehabilitation projects. This focus on renovation highlights their commitment to enhancing the sustainability of existing structures. Rabot Dutilleul has also secured funding of €6 million in 2022, which underscores their ongoing investment in innovative solutions and sustainable practices.

6. Vuesse

• Website: vuessesrl.it
• Ownership type: Private
• Headquarters: Modugno, Apulia, Italy
• Founded year: 1978
• Headcount: 1-10
• LinkedIn: vuesse

Vuesse Srl, based in Modugno, Apulia, Italy, has been active in the construction industry since 1978. The company specializes in sustainable building practices, emphasizing energy efficiency and environmental responsibility. Vuesse offers a range of services, including bio-construction, solar energy solutions, climate control systems, and plumbing services, catering to both residential and commercial clients. Their commitment to high-quality construction is matched by a focus on eco-friendly practices, making them a notable player in the green building sector. With a small team of around 20 employees, Vuesse maintains a personalized approach to their projects, ensuring that they meet the specific needs of their clients while promoting sustainability.

7. Bensonwood

• Website: bensonwood.com
• Ownership type: Private
• Headquarters: Walpole, New Hampshire, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1973
• Headcount: 51-200
• LinkedIn: benson-woodworking

Bensonwood, based in Walpole, New Hampshire, is a private construction company founded in 1973. The firm specializes in sustainable homebuilding, offering a variety of energy-efficient home designs, including Unity Homes and OpenHome. Their focus is on creating healthy and comfortable living spaces for homeowners while also catering to industry professionals seeking innovative building solutions. Bensonwood employs offsite construction techniques to enhance efficiency and minimize environmental impact. With a workforce of 76 employees, the company has built a reputation for quality craftsmanship and a commitment to sustainability, making it a notable player in the green building construction industry.

8. Lindbäcks Bygg

• Website: lindbacks.se
• Ownership type: Family Owned
• Headquarters: Sweden
• Employee distribution: Sweden 100%
• Founded year: 1924
• Headcount: 201-500
• LinkedIn: lindb-cks-bygg

Lindbäcks Bygg, founded in 1924, is a family-owned construction company based in Sweden that specializes in sustainable multi-family housing. The firm is recognized for its innovative approach to building, focusing on industrial production methods that utilize timber sourced from the northern Swedish forests. This not only supports local forestry but also promotes environmentally friendly construction practices. Lindbäcks offers a comprehensive range of services, from project development to delivering key-ready homes, catering primarily to municipalities and housing associations. Their commitment to sustainability is evident in their building processes, which aim to be climate-neutral and resource-efficient. The company has also invested in modern production facilities powered by solar energy and waste heat, further enhancing their green credentials. Lindbäcks Bygg is actively involved in research and development to improve their construction methods and reduce environmental impact, making them a significant player in the sustainable building sector.

9. Grupo LOBE

• Website: grupolobe.com
• Ownership type: Private
• Headquarters: Mexico
• Employee distribution: Spain 100%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: construcciones-lobe

Grupo LOBE is a private construction company based in Spain, founded in 1987. With a workforce of approximately 105 employees, the firm has carved out a niche in the construction of sustainable and energy-efficient homes. They are particularly known for their expertise in building Passivhaus certified residences, which are designed to provide high comfort levels while minimizing energy consumption. Grupo LOBE has managed over 4,500 Passivhaus homes, with more than 2,175 already certified and an additional 2,340 in the certification process. Their innovative approach includes the use of prefabricated building systems that enhance energy efficiency and reduce waste. The company is committed to sustainability, aligning its operations with the United Nations' Agenda 2030 for sustainable development. Grupo LOBE's focus on smart homes and energy-efficient solutions positions it as a significant player in the green building sector.

10. Unity Homes

• Website: unityhomes.com
• Ownership type: Private
• Headquarters: Walpole, New Hampshire, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: unity-homes%c2%ae

Unity Homes, founded in 2012 and based in Walpole, New Hampshire, is a private construction company that specializes in high-performance, energy-efficient homes. As a spinoff of Bensonwood, a company with a rich history in quality home building, Unity Homes leverages decades of experience to offer innovative solutions in the housing market. The company employs advanced off-site construction techniques, which streamline the building process and significantly reduce waste. Unity Homes primarily serves individuals and families looking to build custom homes that enhance comfort and minimize environmental impact. With a mission to improve the lives of clients through sustainable building practices, Unity has constructed over 100 homes across the Northeast and beyond. Their commitment to sustainability is reflected in their careful material sourcing, energy-efficient designs, and efforts to achieve net-zero energy operation in their homes. Unity Homes has also been recognized for its contributions to green building, receiving accolades such as the "Top Ten Green Building Product for 2016" award from BuildingGreen.

11. Albertani Corporates

• Website: albertani.com
• Ownership type: Private
• Headquarters: Brescia, Lombardy, Italy
• Employee distribution: Italy 100%
• Founded year: 1971
• Headcount: 51-200
• LinkedIn: albertani-corporates

Albertani Corporates S.p.A., based in Brescia, Lombardy, Italy, has been a player in the construction industry since 1971. The company specializes in the design and construction of wooden structures, focusing on eco-sustainable building practices. With a workforce of around 20 employees, Albertani serves a variety of clients, including private individuals, businesses, and investors who seek environmentally friendly construction solutions. Their portfolio includes residential homes and multi-story buildings, showcasing their capability in both single-family and larger-scale projects. Albertani emphasizes the use of renewable materials and energy-efficient designs, which are integral to their construction philosophy. They have also been involved in significant projects, including restoration work on historical sites and collaborations with renowned architects. Their commitment to sustainability is reflected in their operational practices, which prioritize low environmental impact and energy efficiency.

12. Evolve Builders Group

• Website: evolvebuilders.ca
• Ownership type: Family Owned
• Headquarters: Guelph, Ontario, Canada
• Employee distribution: Canada 100%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: evolve-builders-group

Evolve Builders Group Inc, based in Guelph, Ontario, is a family-owned construction company that has been operating since 2006. The firm specializes in green building and eco-friendly renovations, catering to both homeowners and businesses seeking energy-efficient solutions. Evolve Builders Group offers a comprehensive suite of services, including project management, architectural design, and sustainable construction practices. Their commitment to green building is evident in their portfolio, which features projects like Passive House and Net Zero homes, showcasing their expertise in high-performance building standards. The company also engages in sustainable building research, collaborating with academic and governmental entities to push the boundaries of eco-friendly construction. With a team of skilled professionals, Evolve Builders Group is dedicated to delivering quality craftsmanship while prioritizing environmental responsibility.

13. Providence Homes

• Website: providencehomesinc.com
• Ownership type: Family Owned
• Headquarters: Jacksonville, Florida, United States (USA)
• Employee distribution: United States (USA) 92%, Nigeria 8%
• Founded year: 1993
• Headcount: 11-50
• LinkedIn: providence-homes

Providence Homes, established in 1993 and based in Jacksonville, Florida, is a family-owned home builder that specializes in energy-efficient residential construction. With a workforce of 11 to 50 employees, the company has carved out a niche in the local market by offering new homes that prioritize sustainability and energy efficiency. Providence Homes is recognized for its commitment to building 100% ENERGY STAR® Certified Homes, which are designed to meet stringent energy efficiency standards set by the U.S. Environmental Protection Agency. The company also emphasizes the importance of indoor air quality through its adherence to the EPA's Indoor airPLUS® program. Over the years, Providence Homes has received numerous awards for its innovative designs and energy-efficient practices, further solidifying its reputation in the industry. Their focus on creating healthier living environments for families in the Jacksonville area reflects a dedication to sustainable building practices.

14. EcoCocon

• Website: ecococon.eu
• Ownership type: Private
• Headquarters: Bratislava, Bratislava, Slovakia
• Employee distribution: Slovakia 42%, Croatia 6%, Lithuania 6%, Other 45%
• Founded year: 2019
• Headcount: 1-10
• LinkedIn: ecococon-s-r-o

EcoCocon is a private sustainable construction company based in Bratislava, Slovakia, founded in 2019. With a small team of around 27 employees, the company focuses on eco-friendly building solutions that utilize natural materials, particularly through their innovative straw construction system. This system not only enhances energy efficiency but also provides health benefits for occupants, making it an attractive option for environmentally conscious clients. EcoCocon serves a variety of customers, including homeowners, architects, builders, and developers, who are seeking sustainable construction methods. The company is dedicated to making natural construction materials mainstream and aims to address the significant carbon footprint associated with traditional building practices. Their projects showcase a commitment to quality and sustainability, with a strong emphasis on creating healthy living environments. EcoCocon's approach reflects a growing trend in the construction industry towards more sustainable practices, positioning them as a relevant player in the green building sector.

15. Adera Development Corporation

• Website: adera.com
• Ownership type: Private
• Headquarters: Vancouver, British Columbia, Canada
• Employee distribution: Canada 100%
• Founded year: 1969
• Headcount: 51-200
• LinkedIn: adera-development-corporation

Adera Development Corporation, based in Vancouver, British Columbia, has been a significant player in the real estate development sector since its founding in 1969. The company specializes in residential and commercial construction, with a strong focus on sustainability and innovative building practices. Adera has constructed over 12,800 homes and more than 4 million square feet of commercial space, showcasing its extensive experience in the industry. Adera is particularly noted for its SmartWood® technology, which utilizes mass timber construction to create environmentally friendly buildings. This approach not only enhances the aesthetic appeal of their projects but also contributes to reducing carbon emissions. The company is privately owned and employs between 51 to 200 people, all dedicated to fostering sustainable living environments. Adera's commitment to community and environmental initiatives is further highlighted through its Adera Cares program, which emphasizes the importance of people and the planet in their business model.

16. Renco

• Website: renco.it
• Ownership type: Corporate
• Headquarters: Pesaro, Italy
• Employee distribution: Italy 48%, Congo 13%, Mozambique 9%, Other 29%
• Latest funding: $56.5M, July 2019
• Founded year: 1979
• Headcount: 1001-5000
• LinkedIn: renco-s.p.a.

Renco Group, founded in 1979 and based in Pesaro, Italy, is an engineering and construction company that specializes in project development. With a workforce of over 1,500 employees, Renco operates in various sectors, including energy and civil construction. The company offers a range of services such as engineering, general contracting, and project management. Renco is particularly focused on sustainable building practices and has established strong relationships with local communities and industrial partners to address their construction and engineering needs. Their commitment to sustainability is evident in their projects, which aim to integrate natural energy solutions and promote environmental stewardship. Renco has also received significant funding, amounting to €56.5 million in 2019, which supports their ongoing initiatives and expansion efforts.

17. BrightBuilt Home

• Website: brightbuilthome.com
• Ownership type: Private
• Headquarters: Portland, Maine, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 1-10
• LinkedIn: brightbuilt-home

BrightBuilt Home, based in Portland, Maine, is a private company founded in 2014 that specializes in the construction of modular and prefab homes. The company is dedicated to creating sustainable and energy-efficient living spaces, catering to clients who seek customizable homes that meet modern efficiency standards. BrightBuilt Home operates primarily in the New England and Mid-Atlantic regions, offering a variety of home designs and construction services. With a portfolio of over 200 completed projects, the company has demonstrated its capability in delivering high-performance homes. Their designs are not only aesthetically pleasing but also prioritize energy efficiency, with many homes being net-zero ready. BrightBuilt Home's commitment to using sustainable materials and practices positions them as a notable player in the green building industry.

18. Nordstern

• Website: nordstern.dk
• Ownership type: Private
• Headquarters: Horsens, Denmark
• Employee distribution: Denmark 100%
• Founded year: 1979
• Headcount: 201-500
• LinkedIn: casa-a-s

Nordstern, based in Horsens, Denmark, is a private construction and real estate development firm founded in 1979. With a workforce of approximately 457 employees, the company specializes in residential and commercial building, renovation, and sustainable development solutions. Nordstern serves a variety of clients, including property owners, housing associations, and businesses, delivering high-quality construction services while adhering to stringent building standards. The company is committed to sustainability, aiming to certify all new housing and office projects. They actively engage in initiatives to reduce CO2 emissions and have set ambitious targets for waste recycling and greenhouse gas reductions. Nordstern operates across multiple locations in Denmark, including Aarhus, Herning, and Copenhagen, and has a history of significant projects that reflect their focus on sustainable practices.

19. Green Canopy

• Website: greencanopy.com
• Ownership type: Venture Capital
• Headquarters: Seattle, Washington, United States (USA)
• Latest funding: Series D, $5.1M, August 2019
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: green-canopy

Green Canopy NODE is a construction and real estate development firm based in Seattle, Washington, founded in 2010. The company focuses on sustainable housing solutions, offering services that include development planning, construction management, and consulting. Green Canopy NODE is particularly known for its commitment to building all-electric and net-zero energy homes, which are designed to minimize environmental impact and promote healthier living environments. With over 300 homes built across Seattle and Portland, the company has established a reputation for quality and sustainability, receiving third-party certifications from organizations like Built Green and Earth Advantage. In 2019, Green Canopy NODE secured $5.13 million in Series D funding, which supports their mission to innovate within the construction industry and expand their impact. Their approach combines technology and construction to streamline processes, reduce costs, and enhance project outcomes, making them a notable player in the green building sector.

20. D/RES Properties

• Website: dres.ie
• Ownership type: Private
• Headquarters: Dublin, Dublin, Ireland
• Employee distribution: Ireland 96%, Pitcairn Island 4%
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: d-res-properties

D/RES Properties, founded in 2017 and based in Dublin, Ireland, is a private home builder with a focus on sustainable housing development. The company is committed to creating energy-efficient homes that cater to the needs of modern consumers seeking quality living spaces. With a strong emphasis on sustainability, D/RES Properties aims to build not just houses, but communities that are inclusive and environmentally conscious. They have a notable history linked to the Durkan family, which boasts 50 years of building experience. D/RES Properties has made significant strides in the construction industry, being the first Irish housebuilder to achieve GRESB accreditation, underscoring their commitment to sustainability. Their projects often incorporate innovative practices, such as the use of renewable materials and energy-efficient designs, positioning them as a forward-thinking entity in the housing market.

21. Renggli AG

• Website: renggli.swiss
• Ownership type: Corporate
• Headquarters: Buttisholz, Lucerne, Switzerland
• Employee distribution: Switzerland 98%, Other 2%
• Latest funding: $127.6M, November 2022
• Founded year: 1923
• Headcount: 201-500
• LinkedIn: renggliag

Renggli AG, founded in 1923 and based in Buttisholz, Lucerne, Switzerland, is a construction company that specializes in sustainable building practices, particularly in wood construction. With a workforce of approximately 154 employees, the company has built a reputation for delivering energy-efficient and innovative building solutions. Renggli AG serves a variety of clients, including architects, investors, and private builders, all seeking to optimize their construction projects for both economic and ecological benefits. The company has a rich history of over 100 years in the industry, demonstrating a consistent commitment to sustainability and innovation. Their services range from real estate development to general contracting and engineering solutions. Notably, Renggli AG has been involved in significant projects that have received accolades for their sustainability, including the first certified Platin project in wood construction under the SNBS certification. In 2022, the company also announced the opening of Germany's largest wood module factory, further expanding its influence in the green building sector.

22. Hummingbird Hill Homes & Construction Inc.

• Website: hummingbirdhillhomes.com
• Ownership type: Private
• Headquarters: Oakville, Ontario, Canada
• Employee distribution: Canada 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: hummingbird-hill-homes-construction-inc

Hummingbird Hill Homes & Construction Inc., founded in 2015 and based in Oakville, Ontario, is a custom home builder that specializes in creating sustainable luxury homes. The company is dedicated to enhancing the well-being of its clients through innovative architectural design and construction practices. With a team of 11 to 50 employees, Hummingbird Hill focuses on building homes that not only meet aesthetic and functional needs but also promote health and wellness. Their approach integrates nature into the living environment, aiming to create sanctuaries that foster tranquility and rejuvenation. As a certified PassiveHouse™ and WELL™ builder, they adhere to high standards of energy efficiency and indoor environmental quality. Their services cater primarily to individual consumers looking for unique, functional homes that stand the test of time.

23. Lindal Homes

• Website: lindal.com
• Ownership type: Private
• Headquarters: Seattle, Washington, United States (USA)
• Employee distribution: United States (USA) 86%, Canada 10%, Czech Republic 5%
• Founded year: 1945
• Headcount: 11-50
• LinkedIn: lindalhomes

Lindal Homes, based in Seattle, Washington, has been crafting custom and prefabricated homes since its founding in 1945. The company is known for its architectural designs that cater to individual homeowners, allowing them to create personalized living spaces. Lindal Homes emphasizes the use of premium building materials, particularly cedar, which is not only aesthetically pleasing but also sustainable. Their offerings include a range of home styles, from modern to traditional, and they provide a comprehensive home building process that includes consultations and support from local representatives. Lindal has completed homes for over 50,000 clients worldwide, showcasing their extensive experience in the industry. The company has also made strides in promoting green building practices, with a focus on energy efficiency and reduced waste through their prefab construction methods. They have not reported any recent funding, indicating a stable, self-sustaining business model.

Green Building Construction Insights: Key Companies

Company	Headquarter	Size	Founded	Ownership
Green Hammer Design Build	Portland, Oregon, United States (USA)	11-50	2002	Private
HUF HAUS GmbH & Co. KG	Hartenfels, Rhineland-Palatinate, Germany	201-500	1912	Family Owned
Green Canopy NODE	Seattle, Washington, United States (USA)	11-50	2010	Venture Capital
Isola Homes	Bellevue, Washington, United States (USA)	11-50	2009	Private
Rabot Dutilleul	Wasquehal, Hauts-De-France, France	501-1000	1920	Private
Vuesse	Modugno, Apulia, Italy	1-10	1978	Private
Bensonwood	Walpole, New Hampshire, United States (USA)	51-200	1973	Private
Lindbäcks Bygg	Sweden	201-500	1924	Family Owned
Grupo LOBE	Mexico	51-200	1987	Private
Unity Homes	Walpole, New Hampshire, United States (USA)	51-200	2012	Private
Albertani Corporates	Brescia, Lombardy, Italy	51-200	1971	Private
Evolve Builders Group	Guelph, Ontario, Canada	11-50	2006	Family Owned
Providence Homes	Jacksonville, Florida, United States (USA)	11-50	1993	Family Owned
EcoCocon	Bratislava, Bratislava, Slovakia	1-10	2019	Private
Adera Development Corporation	Vancouver, British Columbia, Canada	51-200	1969	Private
Renco	Pesaro, Italy	1001-5000	1979	Corporate
BrightBuilt Home	Portland, Maine, United States (USA)	1-10	2014	Private
Nordstern	Horsens, Denmark	201-500	1979	Private
Green Canopy	Seattle, Washington, United States (USA)	11-50	2010	Venture Capital
D/RES Properties	Dublin, Dublin, Ireland	51-200	2017	Private
Renggli AG	Buttisholz, Lucerne, Switzerland	201-500	1923	Corporate
Hummingbird Hill Homes & Construction Inc.	Oakville, Ontario, Canada	11-50	2015	Private
Lindal Homes	Seattle, Washington, United States (USA)	11-50	1945	Private

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