Michigan's renewable energy sector is witnessing remarkable growth, with companies focusing on solar, wind, and energy efficiency solutions. This industry aims to address climate change by providing clean, sustainable energy alternatives. Major players range from energy service providers to innovative technology firms specializing in energy management, each contributing unique products and services that enhance sustainability. The future is bright for these companies as the state's commitment to renewable energy continues to strengthen, driven by both legislative support and market demand for greener energy sources.


The companies on this list are primarily based in Michigan and vary in size from small firms to large organizations. Founded between 1918 and 2025, they specialize in diverse offerings, including solar installations and energy management. Notably, some include Infrastrutture SpA and NorthStar Clean Energy, showcasing both innovation and established expertise in clean energy solutions. With most companies privately owned, they reflect dynamic growth within the state's renewable energy sector.


Read on to discover more about the top renewable energy companies in Michigan.


Top 25 Renewable Energy Companies in Michigan


1. Infrastrutture SpA

  • Website: infrastrutture.eu
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Founded year: 1963
  • Headcount: 11-50
  • LinkedIn: infrastrutture-spa

Infrastrutture SpA, based in Milan, Michigan, is a private company that specializes in renewable energy. Founded in 1963, the company shifted its focus to renewable energy in 1994 and has since established itself as a key player in the development, construction, and management of renewable energy projects. Infrastrutture operates across Europe, Asia, and Latin America, providing services that include project development, engineering, asset management, and financing. The company has developed over 400 MW of renewable energy capacity, primarily in wind and solar, and has a significant development pipeline exceeding 2 GW. Infrastrutture is also involved in waste-to-energy projects, further diversifying its contributions to sustainable energy solutions. With a team of experienced professionals, the company emphasizes innovation and sustainability in its operations, aiming to power a sustainable future.


2. NorthStar Clean Energy

  • Website: northstarcleanenergy.com
  • Ownership type: Private
  • Headquarters: Ann Arbor, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: Other (Debt), $334.0M, March 2025
  • Founded year: 1987
  • Headcount: 201-500
  • LinkedIn: northstarcleanenergy

NorthStar Clean Energy, based in Ann Arbor, Michigan, is a private renewable energy provider that has been in operation since 1987. Formerly known as CMS Enterprises, the company is a subsidiary of CMS Energy. NorthStar Clean Energy focuses on delivering custom energy solutions tailored to the needs of businesses and organizations aiming to achieve sustainability goals. Their expertise spans various sectors, including wind, solar, energy storage, biomass, and natural gas. They develop, own, and operate utility-scale projects across the United States, providing clients with long-term energy contracts that often extend for 20 to 30 years. The company also offers power purchase agreements and energy marketing services, helping clients navigate the complexities of renewable energy procurement. With a strong emphasis on decarbonization, NorthStar Clean Energy is committed to assisting clients in reaching net-zero or carbon-negative targets. Their recent funding of $334 million in March 2025 further underscores their financial stability and capacity for growth in the renewable energy market.


3. Engie Program s.r.l.


Engie Program s.r.l., based in Milan, Michigan, is a private company that operates under the umbrella of ENGIE Italia S.p.A. Founded in 2017, the company specializes in the production and distribution of electricity, natural gas, and renewable energy. Engie Program s.r.l. offers a range of services that include energy management and efficiency solutions tailored for residential, business, and public sector clients. Their focus on renewable energy is highlighted by their commitment to utilizing solar, thermal, and photovoltaic systems, as well as biomass. Engie Program s.r.l. is dedicated to promoting sustainable energy practices and has made strides in reducing carbon emissions through their renewable energy initiatives. They are also involved in projects that support energy access for disadvantaged communities, showcasing their broader commitment to social responsibility within the energy sector.


4. Enerqos

  • Website: enerqos.com
  • Ownership type: Corporate
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 97%, France 3%
  • Latest funding: February 2023
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn: enerqos

Enerqos, founded in 2006 and based in Milan, Italy, is an energy service company that specializes in energy efficiency and renewable energy solutions. With a workforce of around 62 employees, Enerqos provides consulting, technological, and financial services to businesses across various sectors. Their mission is to assist companies in reducing energy costs and emissions while enhancing sustainability. Enerqos operates as a comprehensive partner, offering tailored solutions for energy management. They have a strong focus on renewable energy, particularly in photovoltaic systems, and have successfully implemented numerous projects that contribute to significant reductions in carbon emissions. Recently, Enerqos became part of the Ameresco group, which aims to strengthen its presence in Europe and expand its capabilities in the renewable energy sector. This strategic move highlights Enerqos's commitment to advancing sustainable energy practices and supporting businesses in their transition to greener solutions.


5. Energy Drive srl Società Benefit

  • Website: energydrive.eu
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 90%, United States (USA) 10%
  • Founded year: 2008
  • Headcount: 11-50
  • LinkedIn: energy-drive

Energy Drive srl Società Benefit, founded in 2008 and based in Milan, Michigan, is a private company focused on providing sustainable energy solutions. With a team of 20 employees, the company serves both businesses and consumers, helping them to reduce energy costs and minimize their environmental footprint. Energy Drive offers a range of products and services that include energy efficiency solutions, renewable energy installations, and home automation technologies. They have successfully installed over 8,750 systems, contributing to a total power output of 54.61 MW and a reduction of 33,645 kg of CO2 emissions. Their expertise in the green economy has been honed since 2009, allowing them to guide clients through the complexities of energy efficiency and renewable energy adoption. As a certified E.S.Co., they also assist clients in navigating financial incentives for energy upgrades, reinforcing their role as a facilitator of sustainable practices.


6. InfraLab srl

  • Website: infralab.it
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Founded year: 2019
  • Headcount: 11-50
  • LinkedIn: infralab-srl

InfraLab srl, based in Milan, Michigan, is a private company founded in 2019 that specializes in the development of renewable energy projects. The firm focuses on utility-scale projects, including solar, wind, and biomass energy. With a team that boasts over 20 years of experience in the renewable sector, InfraLab is well-equipped to handle the complexities of project design, authorization, and management. They work closely with major investors, providing essential guidance to navigate regulatory challenges and ensure project success. InfraLab is committed to sustainability, emphasizing the importance of environmentally responsible practices in their project development. The company has a robust pipeline, with over 2GW of projects in various stages of development, showcasing their active role in advancing renewable energy initiatives.


7. Eni gas e luce

  • Website: enigaseluce.com
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Founded year: 2017
  • Headcount: 1001-5000
  • LinkedIn: eni-gas-e-luce

Eni gas e luce, also known as Eni Plenitude, is an energy service provider based in Milan, Michigan, USA. Founded in 2017, the company operates as a private entity with a workforce of approximately 756 employees. Eni Plenitude specializes in offering a variety of energy solutions, including electricity and gas supply, energy efficiency products, and renewable energy systems. Their services cater to both residential consumers and businesses, aiming to optimize energy consumption and reduce costs. A significant aspect of their operations includes the promotion of renewable energy practices, particularly through the installation of solar photovoltaic systems. Eni Plenitude is committed to providing reliable energy services while encouraging sustainable energy use among its customers.


8. Greenville

  • Website: greenville.it
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Ukraine 67%, United States (USA) 33%
  • Founded year: 2008
  • Headcount: 11-50
  • LinkedIn: greenville

Greenville, known as Enerqos, is an Energy Service Company (ESCo) based in Milan, Michigan, founded in 2008. The company specializes in providing energy efficiency and renewable energy solutions. Enerqos offers a range of services, including energy management consulting, digital energy management, and green financing, aimed at helping businesses reduce energy costs and enhance sustainability. With a workforce primarily located in Ukraine and the United States, Enerqos has established itself as a significant player in the energy sector. The company has been involved in various projects, such as the installation of photovoltaic systems and the implementation of energy efficiency measures across multiple industries. Enerqos is committed to supporting businesses in their transition to greener practices, contributing to a reduction in carbon emissions and promoting a more sustainable future.


9. Centrica Business Solutions Italia


Centrica Business Solutions Italia, founded in 1984 and based in Milan, is a private energy solutions provider that focuses on enhancing energy efficiency and reducing operational costs for businesses. The company offers a range of services, including cogeneration, solar energy solutions, and energy monitoring. With a workforce primarily located in Italy, they cater to various sectors such as manufacturing, healthcare, and hospitality. Their innovative energy solutions are designed to help clients achieve sustainability targets while managing energy consumption effectively. Centrica Business Solutions is also committed to a net-zero emissions goal by 2045, reflecting their dedication to environmental responsibility and the promotion of renewable energy practices.


10. NOVI Energy

  • Website: novienergy.com
  • Ownership type: Family Owned
  • Headquarters: Novi, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: novi-energy

NOVI Energy, based in Novi, Michigan, is a family-owned company established in 2002. The firm specializes in clean energy solutions, particularly in the development of solar photovoltaic projects and energy storage systems. They cater to a wide range of clients, including governmental and industrial sectors, providing consulting services and innovative technologies aimed at enhancing sustainability and energy efficiency. Over the years, NOVI Energy has developed projects worth over $2 billion, showcasing their capability in delivering impactful energy solutions. Their projects include utility-scale solar developments and energy storage systems, which are crucial for integrating renewable energy into the grid. The company emphasizes community involvement, ensuring that local stakeholders are part of the decision-making process for their projects. This commitment to social responsibility, along with their technical expertise, positions them as a relevant player in the renewable energy sector.


11. SkySpecs

  • Website: skyspecs.com
  • Ownership type: Private Equity
  • Headquarters: Ann Arbor, Michigan, United States (USA)
  • Employee distribution: United States (USA) 49%, India 28%, Denmark 7%, Other 16%
  • Latest funding: $20.0M, March 2025
  • Founded year: 2012
  • Headcount: 201-500
  • LinkedIn: skyspecs

SkySpecs, founded in 2012 and based in Ann Arbor, Michigan, is a private equity-backed company specializing in renewable energy asset management, particularly within the wind energy sector. The firm offers a comprehensive suite of services designed to assist wind farm owners in optimizing their operations. This includes autonomous drone inspections that capture high-quality data to assess blade conditions, as well as advanced analytics for drivetrain diagnostics and performance monitoring. SkySpecs also provides financial asset management services, helping clients gain insights into the financial health of their renewable energy projects. With a workforce of approximately 273 employees and a global footprint that includes offices in India, Denmark, Ireland, and the UK, SkySpecs has established itself as a significant player in the wind energy market. The company has secured substantial funding, with a recent investment of $20 million in March 2025, further solidifying its position in the industry.


12. inewa

  • Website: inewa.it
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Founded year: 2020
  • Headcount: 11-50
  • LinkedIn: inewa

Inewa, based in Milan, Michigan, is a private Energy Service Company (ESCO) that specializes in providing comprehensive energy solutions tailored for businesses and organizations. Founded in 2020, Inewa is a member of the Elevion Group, which is recognized for its expertise in decarbonization and sustainability. The company focuses on energy efficiency and renewable energy projects, offering a range of services that include energy audits, financing, design, installation, management, and maintenance of energy-saving systems. Inewa has successfully completed numerous projects, including the installation of photovoltaic systems and the production of biogas, contributing to the reduction of carbon emissions and promoting the use of clean energy. Their mission is to support clients in achieving their energy goals while ensuring economic and environmental sustainability.


13. Virtus Solis Technologies

  • Website: virtussolis.space
  • Ownership type: Venture Capital
  • Headquarters: Troy, Michigan, United States (USA)
  • Employee distribution: United States (USA) 85%, United Kingdom (UK) 15%
  • Latest funding: Seed, March 2024
  • Founded year: 2019
  • Headcount: 1-10
  • LinkedIn: virtus-solis-technologies

Virtus Solis Technologies, founded in 2019 and based in Troy, Michigan, is an energy technology company that specializes in space-based solar power solutions. The firm is dedicated to developing innovative systems that collect solar energy in space and transmit it to Earth, offering a clean and reliable energy source. Their target market includes businesses and organizations seeking sustainable energy alternatives. The company aims to tackle the challenges of energy intermittency and the heavy reliance on fossil fuels by providing scalable and efficient energy solutions. With a small team of around 20 employees, Virtus Solis is positioned to make a significant impact in the renewable energy industry, particularly as they explore the potential of space solar power to deliver energy without the drawbacks associated with traditional solar and other renewable sources.


14. BKW Italia S.p.A.

  • Website: bkwitalia.com
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Founded year: 2006
  • Headcount: 51-200
  • LinkedIn: bkw-italia-s.p.a.

BKW Italia S.p.A. is an energy and infrastructure company based in Milan, Michigan, founded in 2006. With a workforce of approximately 89 employees, the company specializes in providing integrated solutions in energy management, building solutions, and engineering services. BKW Italia serves a variety of clients, including energy producers and businesses, assisting them in their transition to sustainable energy practices. The company is particularly focused on energy management, helping clients optimize their energy production and consumption. BKW Italia is part of a larger group that operates across Europe, emphasizing the importance of sustainable energy and infrastructure development. Their activities include the commercialization of renewable energy, which is crucial for clients looking to enhance their sustainability efforts. BKW Italia's strategic approach aligns with the growing demand for innovative energy solutions that address climate change and resource preservation.


15. GBSOLS S.r.L.


GBSOLS S.r.L., established in 2012 and based in Milan, Michigan, is a private company specializing in renewable energy solutions, particularly in solar energy. With a workforce of 11 to 50 employees, GBSOLS focuses on providing a variety of services, including the design and installation of photovoltaic systems, energy management, and e-mobility solutions. The company serves a wide array of clients, from private homeowners to businesses and public entities, all seeking to enhance their energy systems and meet sustainability regulations. GBSOLS has built a reputation for its commitment to energy efficiency and has engaged in numerous projects that reflect its expertise in the field. Their approach combines technical knowledge with a strong emphasis on customer service, ensuring tailored solutions that meet the unique needs of each client. The company also actively participates in initiatives aimed at promoting renewable energy and energy efficiency, further solidifying its role in the industry.


16. Commonwealth Associates, Inc.


Commonwealth Associates, Inc. is an engineering consulting firm based in Jackson, Michigan, founded in 1988. With a workforce of approximately 287 employees, the company specializes in power delivery, power generation, and renewable energy solutions. They offer expert consulting services to utilities, industrial sectors, and government entities, assisting them in optimizing their energy operations. Commonwealth is particularly noted for its work in renewable energy, where they help clients integrate innovative solutions into existing energy systems. Their projects include solar generation systems and battery energy storage, showcasing their commitment to advancing renewable technologies. The firm is recognized for its expertise in both conventional and renewable energy projects, providing valuable insights and engineering support to enhance energy resilience and efficiency.


17. Walker-Miller Energy Services

  • Website: wmenergy.com
  • Ownership type: Family Owned
  • Headquarters: Detroit, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2000
  • Headcount: 51-200
  • LinkedIn: walker-miller-energy-services-llc

Walker-Miller Energy Services, founded in 2000 and based in Detroit, Michigan, is a family-owned consulting firm that specializes in energy efficiency and clean energy solutions. The company offers a wide range of services, including energy waste reduction, electric vehicle infrastructure development, and workforce training. They focus on helping utilities, municipalities, and businesses, especially those in marginalized communities, to lower energy costs and enhance sustainability. As a Certified B Corporation, Walker-Miller is committed to social and environmental performance, ensuring that their operations benefit both people and the planet. Their innovative approach includes engaging communities that have historically been excluded from energy efficiency programs, thereby creating jobs and promoting equitable access to clean energy resources. Walker-Miller's efforts are not only about reducing energy burdens but also about empowering local communities to participate in the clean energy economy.


18. ESE Engineering Services for Energy S.r.l.


ESE Engineering Services for Energy S.r.l., founded in 1994, is an engineering consulting firm based in Milan, Italy. The company specializes in the energy sector, providing a wide range of services that include feasibility studies, project management, and decarbonization strategies. ESE has developed expertise across various energy generation technologies, particularly in clean energy solutions such as hydrogen and photovoltaic systems. They have been involved in significant projects, including the design of hydrogen refueling stations and floating photovoltaic plants. ESE's focus on energy efficiency and sustainability positions them as a key player in the transition to renewable energy, helping clients optimize their energy consumption and reduce environmental impact.


19. Harlan Electric Company

  • Website: harlanelectric.com
  • Ownership type: Private
  • Headquarters: Rochester Hills, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1940
  • Headcount: 201-500
  • LinkedIn: harlan-electric

Harlan Electric Company, established in 1940, is an electrical contractor based in Rochester Hills, Michigan. The company specializes in construction services for transmission, distribution, and renewable energy projects. They cater to electric utilities, municipalities, and private developers, providing essential infrastructure solutions that are crucial for the energy sector. Harlan Electric emphasizes safety and sustainability in its operations, contributing significantly to the clean energy transformation across the upper Midwest and Northeastern United States. Their portfolio includes a variety of projects, notably in renewable energy, showcasing their commitment to advancing sustainable energy solutions. As a subsidiary of MYR Group, Harlan Electric benefits from a network of resources and expertise, enhancing their capacity to deliver comprehensive electrical construction services. Their focus on community engagement and corporate social responsibility further underscores their dedication to making a positive impact in the regions they serve.


20. The Green Panel

  • Website: thegreenpanel.com
  • Ownership type: Private
  • Headquarters: Brighton, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2007
  • Headcount: 11-50
  • LinkedIn: the-green-panel

The Green Panel, based in Brighton, Michigan, is a private solar energy company founded in 2007. With a team of 22 employees, the company specializes in solar panel installation and offers a range of services aimed at both residential and commercial customers. Their product offerings include solar photovoltaic systems, Tesla Powerwall battery storage, and electric vehicle charging stations. The Green Panel is recognized as Michigan's premier certified Tesla Powerwall vendor, showcasing their expertise in energy storage solutions. They provide comprehensive services that include free solar analysis, system design, financing options, and professional installation. The company is dedicated to promoting renewable energy and helping clients reduce their carbon footprint while saving on energy costs. Their involvement in the industry is further highlighted by their educational initiatives, aimed at informing potential customers about the benefits of solar energy and available incentives.


21. Volta Power Systems

  • Website: voltapowersystems.com
  • Ownership type: Private
  • Headquarters: Holland, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2015
  • Headcount: 11-50
  • LinkedIn: volta-power-systems

Volta Power Systems, founded in 2015 and based in Holland, Michigan, is an energy solutions provider that specializes in lithium-ion power systems tailored for mobile applications. The company offers a range of products, including energy storage packs and power distribution hubs, primarily targeting the RV and commercial fleet markets. Their systems are designed to provide reliable, quiet, and emission-free power, allowing users to operate off-grid without the need for traditional generators. Volta's clientele includes RV manufacturers and fleet operators who seek efficient and sustainable power solutions. The company emphasizes its commitment to sustainability and efficiency, aiming to reduce carbon emissions and enhance user experiences through innovative engineering and design.


22. M. J. Electric, LLC

  • Website: mjelectric.com
  • Ownership type: Private
  • Headquarters: Iron Mountain, Michigan, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1959
  • Headcount: 1001-5000
  • LinkedIn: mj-electric

M. J. Electric, LLC, based in Iron Mountain, Michigan, is a private electrical contractor with a workforce of over 750 employees. Founded in 1959, the company has built a solid reputation in the electrical construction industry, focusing on electric transmission, substations, and renewable energy projects. M. J. Electric serves utility and industrial clients, providing comprehensive solutions that enhance the reliability and capacity of electrical infrastructure. Their services extend to various sectors, including industrial power, specialized services, and civil construction. Notably, M. J. Electric has a dedicated Renewable Energy Group, which highlights their commitment to supporting the transition to sustainable energy sources. Their project portfolio includes significant contributions to wind energy, showcasing their active role in the renewable energy landscape. The company is also a subsidiary of Quanta Services, which further enhances its capabilities and reach in the industry.


23. Tages Capital SGR

  • Website: tagescapitalsgr.com
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Latest funding: Other (Debt), $608.8M, June 2024
  • Founded year: 2010
  • Headcount: 11-50
  • LinkedIn: tages-capital-sgr

Tages Capital SGR S.p.A. is an asset management firm based in Milan, Italy, founded in 2010. The company specializes in infrastructure funds and private debt, with a strong emphasis on renewable energy and energy transition. With over €2 billion in gross asset value and more than €1 billion in commitments raised, Tages Capital SGR manages three primary funds focused on renewable energy: Tages Helios, Tages Helios II, and Tages Helios Net Zero. These funds collectively oversee over 900 MW of installed capacity for energy generation from renewable sources. The firm is dedicated to responsible investment practices, adhering to ESG principles and maintaining a commitment to sustainability. Their recent activities include significant acquisitions in the photovoltaic sector, further solidifying their role in the renewable energy market. Tages Capital SGR is also a signatory of the United Nations Principles for Responsible Investment, reflecting their commitment to integrating sustainability into their investment strategies.


24. Moscatelli s.r.l.

  • Website: moscatelli.it
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Founded year: 1918
  • Headcount: 1-10
  • LinkedIn: moscatellisrl

Moscatelli s.r.l., founded in 1918 and based in Milan, Michigan, is a private company that specializes in solar energy solutions. The firm offers a wide array of products, including solar panels, power stations, and electronic accessories designed specifically for campers and outdoor enthusiasts. Their products are aimed at consumers who seek reliable energy sources while traveling, allowing for power independence in remote locations. Moscatelli's focus on innovative solar technology, particularly in the context of mobile applications, highlights their commitment to promoting sustainable energy solutions. The company operates entirely in Italy, emphasizing its local expertise and support for customers. With a small team of around 21 employees, Moscatelli is agile and responsive to market needs, continuously seeking to enhance the quality and performance of their solar products.


25. Pullega e Mattioli S.p.A.


Pullega e Mattioli S.p.A., founded in 1927 and based in Milan, specializes in energy management and maintenance of thermal systems, with a strong emphasis on renewable energy solutions. The company serves residential condominiums and businesses, helping them reduce energy costs and enhance efficiency through a variety of services. Their offerings include energy diagnostics, installation of photovoltaic systems, solar thermal systems, cogeneration, and geothermal energy solutions. They also provide maintenance services and assist clients in accessing energy efficiency incentives. With a commitment to sustainability, Pullega e Mattioli plays a significant role in the transition to renewable energy, focusing on innovative systems that minimize environmental impact. Their expertise in energy management positions them as a valuable partner for clients looking to improve their energy efficiency and reduce reliance on traditional energy sources.



Renewable Energy Insights: Key Companies in Michigan


CompanyHeadquarterSizeFoundedOwnership
Infrastrutture SpAMilan, Michigan, United States (USA)11-501963Private
NorthStar Clean EnergyAnn Arbor, Michigan, United States (USA)201-5001987Private
Engie Program s.r.l.Milan, Michigan, United States (USA)501-10002017Private
EnerqosMilan, Michigan, United States (USA)11-502006Corporate
Energy Drive srl Società BenefitMilan, Michigan, United States (USA)11-502008Private
InfraLab srlMilan, Michigan, United States (USA)11-502019Private
Eni gas e luceMilan, Michigan, United States (USA)1001-50002017Private
GreenvilleMilan, Michigan, United States (USA)11-502008Private
Centrica Business Solutions ItaliaMilan, Michigan, United States (USA)501-10001984Private
NOVI EnergyNovi, Michigan, United States (USA)11-502002Family Owned
SkySpecsAnn Arbor, Michigan, United States (USA)201-5002012Private Equity
inewaMilan, Michigan, United States (USA)11-502020Private
Virtus Solis TechnologiesTroy, Michigan, United States (USA)1-102019Venture Capital
BKW Italia S.p.A.Milan, Michigan, United States (USA)51-2002006Private
GBSOLS S.r.L.Milan, Michigan, United States (USA)11-502012Private
Commonwealth Associates, Inc.Jackson, Michigan, United States (USA)201-5001988Private
Walker-Miller Energy ServicesDetroit, Michigan, United States (USA)51-2002000Family Owned
ESE Engineering Services for Energy S.r.l.Milan, Michigan, United States (USA)11-501994Private
Harlan Electric CompanyRochester Hills, Michigan, United States (USA)201-5001940Private
The Green PanelBrighton, Michigan, United States (USA)11-502007Private
Volta Power SystemsHolland, Michigan, United States (USA)11-502015Private
M. J. Electric, LLCIron Mountain, Michigan, United States (USA)1001-50001959Private
Tages Capital SGRMilan, Michigan, United States (USA)11-502010Private
Moscatelli s.r.l.Milan, Michigan, United States (USA)1-101918Private
Pullega e Mattioli S.p.A.Milan, Michigan, United States (USA)11-501927Private


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