Energy efficiency companies in Rhode Island are pivotal in helping businesses and homeowners reduce energy consumption while promoting sustainability. This sector includes firms specializing in insulation, HVAC services, solar energy installation, and energy auditing. Trends indicate a growing interest in renewable energy sources and smart technologies aimed at reducing overall energy costs. Additionally, partnerships with local governments and utilities are becoming common, facilitating incentives for energy modifications. As awareness around climate change rises, the shift toward innovative energy solutions is likely to accelerate, making it an important area for future investments and development.


The companies on this list reflect a range of sizes, from small firms to large corporations, with headquarters mainly in Rhode Island's key urban areas. Founded between 1954 and 2020, these companies focus on critical areas like HVAC solutions, solar energy, and energy efficiency consulting. Their expertise spans commercial, residential, and public sectors, showcasing a commitment to improving energy practices. This mix of established firms and new entrants represents the dynamic nature of Rhode Island's energy sector as it evolves to meet emerging demands.


Read on to discover more about the top energy efficiency companies in Rhode Island.


Top 24 Energy Efficiency Companies in Rhode Island


1. Energy Source

  • Website: energysource.com
  • Ownership type: Venture Capital
  • Headquarters: Smithfield, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $1.2M, February 2024
  • Founded year: 2003
  • Headcount: 51-200
  • LinkedIn: energy-source-llc

Energy Source LLC, based in Smithfield, Rhode Island, is an energy solutions provider that has been operational since 2003. The company specializes in energy efficiency and electrification services, catering to a wide range of businesses and organizations. Their services include EV charging solutions, electrification, and construction services, all aimed at helping clients reduce energy costs and transition to sustainable energy practices. Energy Source has established itself as a partner for various sectors, including commercial, industrial, healthcare, and education, providing tailored solutions that meet specific energy needs. The company has also secured funding, with a recent amount of $1.2 million in February 2024, indicating its active role and relevance in the energy efficiency sector.


2. Rise

  • Website: riseengineering.com
  • Ownership type: Private
  • Headquarters: Cranston, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 97%, Other 3%
  • Founded year: 1977
  • Headcount: 201-500
  • LinkedIn: riseengineering

The RISE Group, Inc., based in Cranston, Rhode Island, is a private energy efficiency service provider that has been operational since 1977. With a workforce of approximately 185 employees, Rise specializes in conducting energy assessments and implementing energy-saving measures for a variety of clients, including homeowners, small businesses, and public sector entities. The company is particularly noted for its extensive experience in delivering residential energy efficiency services, having completed over 24,000 home energy assessments in recent years. Rise also plays a significant role in the multifamily housing sector, providing energy assessments and upgrades for thousands of units annually. Their services include a range of energy efficiency measures, from insulation and air sealing to the installation of renewable energy systems like solar panels and electric vehicle charging stations. Rise collaborates with utility companies and energy program sponsors to facilitate financial incentives for their clients, making energy efficiency upgrades more accessible and affordable. This proactive approach not only helps clients save on energy costs but also contributes to broader environmental goals.


3. Viessmann Climate Solutions US

  • Website: viessmann-us.com
  • Ownership type: Corporate
  • Headquarters: Warwick, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 94%, United Kingdom (UK) 6%
  • Latest funding: $13.2B, January 2024
  • Founded year: 1917
  • Headcount: 10001+
  • LinkedIn: viessmann-manufacturing-company-u-s-

Viessmann Climate Solutions US, based in Warwick, Rhode Island, is a prominent manufacturer in the heating technology sector. Founded in 1917, the company has evolved to specialize in high-efficiency heating and renewable energy solutions. Their product lineup includes gas condensing boilers, heat pumps, oil and electric boilers, domestic hot water tanks, and solar systems, catering to both residential and commercial markets. Viessmann emphasizes innovative technology to enhance energy efficiency and minimize environmental impact. The company also integrates smart home solutions, allowing users to control their heating systems remotely, which further contributes to energy savings. As part of Carrier, Viessmann continues to play a significant role in the climate solutions industry, focusing on creating sustainable living environments for future generations.


4. Frontline Power Solutions, LLC

  • Website: fpsenergy.com
  • Ownership type: Corporate
  • Headquarters: Providence, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: August 2022
  • Founded year: 2013
  • Headcount: 51-200
  • LinkedIn: frontline-power-solutions-llc

Frontline Power Solutions, LLC, based in Providence, Rhode Island, is an energy solutions company founded in 2013. The firm specializes in electricity and natural gas supply, energy conservation, and consulting services, primarily targeting commercial and industrial clients. Their expertise extends to data centers, where they help optimize energy costs and consumption through customized solutions. Frontline operates in deregulated energy markets, leveraging relationships with major energy producers to secure competitive pricing and significant savings for their clients. The company prides itself on its comprehensive service offerings, which include procurement, billing, auditing, renewable energy supply, and efficiency consulting. With a management team boasting over 60 years of combined experience in the energy sector, Frontline Power Solutions is well-positioned to deliver tailored energy strategies that meet the specific needs of its clients.


5. Eagle Electric Engineering Enterprise


Eagle Electric Engineering Enterprise, established in 1984, is a private electrical contractor based in Westerly, Rhode Island. The company specializes in a variety of services, including electrical installations, solar energy solutions, and automation services. With a workforce of approximately 35 employees, Eagle Electric serves a broad spectrum of clients across Rhode Island and Connecticut, focusing on enhancing operational efficiency and reducing energy costs. Their solar division has completed numerous projects, ranging from large industrial solar fields to smaller residential installations, showcasing their expertise in renewable energy. The company also emphasizes energy-efficient practices through its LED lighting services, which help clients save on electricity bills while promoting sustainability. Eagle Electric's commitment to quality and customer satisfaction is evident in their repeat business and positive client testimonials, reflecting their strong reputation in the industry.


6. Wozny/Barbar & Associates, Inc.

  • Website: wbaengineers.com
  • Ownership type: Private
  • Headquarters: Pawtucket, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: wonzy-barbar-%26-associates

Wozny/Barbar & Associates, Inc. (WB&A) is an engineering consulting firm based in Pawtucket, Rhode Island, founded in 1988. With a team of approximately 35 professionals, the firm specializes in the design of heating, ventilation, air conditioning, electrical, plumbing, fire protection, fire alarm, and energy management systems. WB&A serves a variety of clients, including architects, developers, and builders, primarily in New England. Their approach is characterized by a commitment to providing economical and technically sound engineering solutions that adhere to industry standards and regulations. The firm has built a reputation for quality work, with most of its projects acquired through referrals. WB&A's involvement in energy management systems highlights their focus on energy efficiency, making them a relevant player in this field.


7. EMC Services

  • Website: emccontrols.net
  • Ownership type: Private
  • Headquarters: Cranston, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1986
  • Headcount: 11-50
  • LinkedIn: emc-services-metasys

EMC Services, formally known as Energy Management and Control Services, Inc., is a private company based in Cranston, Rhode Island, established in 1986. With a workforce of 11 to 50 employees, the company focuses on providing comprehensive building automation and energy management solutions. Their expertise lies in control system design, programming, and technical support, aimed at optimizing HVAC and energy systems for various clients. EMC Services operates primarily in the southern New England region, catering to a range of sectors including educational institutions, federal installations, and general office buildings. They are recognized as a Johnson Controls Metasys® Authorized Building Control Specialist, which underscores their proficiency in managing and enhancing building control systems. The company also emphasizes energy savings through innovative strategies, such as the use of CO2 sensors for demand control ventilation, showcasing their commitment to energy efficiency.


8. Evergreen Solar

  • Website: goevergreen.solar
  • Ownership type: Private
  • Headquarters: Providence, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2020
  • Headcount: 11-50
  • LinkedIn: go-evergreen-solar

Evergreen Solar, founded in 2020 and based in Providence, Rhode Island, is a private solar energy company that specializes in the installation of solar panels and related services for both homeowners and businesses. The company emphasizes customer education, ensuring that clients understand their options and the benefits of solar energy. Evergreen Solar offers tailored solutions designed to help clients lower their electricity costs while transitioning to renewable energy. Their services include solar panel installation, roof integration, and energy-efficient mini-split systems. The company operates primarily in the New England region, focusing on local incentives available in Massachusetts, Rhode Island, and Connecticut. With a small team of dedicated professionals, Evergreen Solar prioritizes a pressure-free sales approach, aiming to create a seamless experience for customers. Their commitment to ethical practices is evident in their initiatives, such as planting trees for every solar installation and supporting local animal shelters through their Green Paws initiative. Evergreen Solar has not reported any funding, indicating a self-sustained operational model.


9. Superior Comfort Incorporated

  • Website: superiorcomfortinc.net
  • Ownership type: Private
  • Headquarters: Bristol, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2005
  • Headcount: 11-50
  • LinkedIn: superior-comfort-inc-

Superior Comfort Incorporated, founded in 2005 and based in Bristol, Rhode Island, is a private HVAC contractor that provides a range of heating, ventilation, and air conditioning services. With a team of 27 employees, the company caters to both residential and commercial clients across Rhode Island and Southern Massachusetts. Their services include installation, repair, and maintenance of HVAC systems, with a strong emphasis on energy efficiency. Superior Comfort is particularly noted for its expertise in geothermal heat pumps, high-velocity HVAC systems, and oil-to-gas conversions, all of which contribute to reduced energy consumption. The company also offers commercial energy audits, helping businesses identify opportunities for energy savings. Their commitment to enhancing indoor comfort and air quality is evident in their comprehensive service offerings, which include air quality solutions and regular maintenance programs.


10. Coldmasters


Coldmasters, based in Cranston, Rhode Island, has been a player in the HVAC/R industry since 1976. This private company employs between 11 to 50 professionals who are dedicated to delivering high-quality commercial and industrial HVAC and refrigeration services. Their offerings include installation, maintenance, and repair solutions tailored to meet the unique needs of various businesses. Coldmasters emphasizes energy efficiency, reliability, and environmental responsibility in their operations. They actively seek opportunities to enhance energy performance in buildings, ensuring that their clients can operate efficiently while minimizing their environmental impact. Their commitment to quality and sustainability is evident in their approach to service, which includes innovative design and engineering solutions aimed at optimizing energy use. Coldmasters is a division of The RISE Group, Inc., which further underscores their focus on integrating sustainable practices into their business model.


11. Green Development LLC

  • Website: green-ri.com
  • Ownership type: Corporate
  • Headquarters: Cranston, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $202.5M, November 2024
  • Founded year: 2009
  • Headcount: 51-200
  • LinkedIn: green-dev-llc

Green Development LLC, based in Cranston, Rhode Island, is a renewable energy company founded in 2009. The firm specializes in solar and wind energy solutions, providing comprehensive services that include project management, financing, and maintenance of renewable energy systems. Green Development collaborates with a variety of clients, such as farmers, municipalities, schools, and nonprofits, to help them stabilize energy costs and promote sustainability. The company has made significant contributions to Rhode Island's renewable energy landscape, being recognized for its role in increasing distributed wind capacity. With a workforce of approximately 37 employees, Green Development is actively involved in the local economy and has received substantial funding, indicating strong investor confidence in its mission and operations.


12. Rooftop Power

  • Website: rooftoppowerco.com
  • Ownership type: Private
  • Headquarters: Warwick, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2017
  • Headcount: 51-200
  • LinkedIn: rooftop-power

Rooftop Power, founded in 2017 and based in Warwick, Rhode Island, is a private solar energy company that specializes in solar installation services for residential and commercial properties in Rhode Island and Massachusetts. The company is dedicated to helping homeowners and businesses reduce their electricity costs through the adoption of solar energy. Rooftop Power offers a range of financing options, including leases and $0 down plans, to facilitate the transition to renewable energy. Their approach includes a thorough consultation process, site surveys, and a full turnkey installation service, ensuring that customers receive tailored solutions that meet their energy needs. The company also emphasizes the importance of local market knowledge, helping clients access the best available rebates and incentives. With a focus on customer satisfaction and efficient service, Rooftop Power aims to educate consumers about the benefits of solar energy and its role in creating a sustainable future.


13. Arden Building Companies


Arden Building Companies, based in Pawtucket, Rhode Island, is a private construction and engineering firm founded in 1954. With a workforce of approximately 114 employees, the company specializes in mechanical construction, fire protection, and building automation. They serve various sectors, including healthcare and education, focusing on delivering efficient and reliable systems. Arden Building Companies operates through a collaborative approach, ensuring high-quality service and customer satisfaction. Their commitment to energy efficiency is evident through their subsidiary, Earthwise Energy Technologies, which provides solutions aimed at reducing energy costs and environmental impacts. The firm employs advanced technologies such as Building Information Modeling (BIM) to enhance project efficiency and sustainability. Their extensive experience and comprehensive service offerings position them as a significant player in the construction and energy efficiency industries.


14. United Better Homes

  • Website: unitedbetterhomes.com
  • Ownership type: Family Owned
  • Headquarters: Central Falls, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: united-better-homes

United Better Homes, founded in 2002 and based in Central Falls, Rhode Island, is a family-owned home improvement contractor. The company specializes in roofing, solar energy solutions, window and door installations, and siding services. They serve homeowners and businesses across Rhode Island, Massachusetts, and Connecticut, focusing on enhancing property value and energy efficiency. United Better Homes is particularly noted for its solar services, offering free energy consultations and installations that help clients reduce their electricity costs and carbon footprint. Their commitment to quality is reflected in their partnerships with reputable brands and their certifications, including being a GAF Master Elite Roofer. The company also emphasizes customer satisfaction and provides flexible financing options to make energy-efficient upgrades more accessible.


15. All Seasons Heating & Air Inc


All Seasons Heating & Air Inc, founded in 1974, is a private HVAC service provider based in Yakima, Washington. The company caters to both residential and commercial clients, offering a comprehensive range of services that include the installation, maintenance, and repair of air conditioning systems, gas furnaces, and heat pumps. They are particularly noted for their expertise in energy-efficient solutions, such as geothermal heat pumps and ductless systems. All Seasons Heating & Air Inc is a Carrier Factory Authorized Dealer, which underscores their commitment to quality and energy-efficient products. The company also emphasizes the importance of indoor air quality and offers various products to enhance it. Their involvement in local HVAC system rebates and incentives further demonstrates their dedication to promoting energy efficiency within their community.


16. Atlantis Comfort Systems Corp

  • Website: atlantiscomfort.com
  • Ownership type: Family Owned
  • Headquarters: West Warwick, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2009
  • Headcount: 201-500
  • LinkedIn: atlantis-comfort-system

Atlantis Comfort Systems Corp, based in West Warwick, Rhode Island, has been providing HVAC services since its founding in 2009. With a team that boasts over 30 years of industry experience, the company offers a comprehensive range of services including installation, repair, and maintenance of heating and cooling systems for both residential and commercial clients. Atlantis Comfort is particularly focused on energy efficiency, ensuring that their solutions not only meet customer needs but also contribute to environmental sustainability. They are recognized for their commitment to using high-quality, energy-efficient products, which help clients save on energy costs while reducing their carbon footprint. The company operates across several locations in Rhode Island, including Warwick, Pawtucket, Providence, and Newport, and has successfully completed numerous projects in multi-residential settings, showcasing their expertise in managing complex HVAC needs.


17. ACS Industries, Inc.

  • Website: acsindustries.com
  • Ownership type: Private
  • Headquarters: Lincoln, Rhode Island, United States (USA)
  • Employee distribution: Mexico 49%, United States (USA) 22%, India 16%, Other 13%
  • Latest funding: Other (Grant), $9.9M, March 2024
  • Founded year: 1939
  • Headcount: 1001-5000
  • LinkedIn: acs-industries

ACS Industries, Inc., founded in 1939 and based in Lincoln, Rhode Island, is a manufacturer known for its engineered knitted wire mesh solutions and automotive components. The company has established itself as a critical supplier in the automotive industry, providing essential products such as airbag inflator filters and exhaust components. In recent years, ACS has expanded its focus to include green energy solutions, particularly in the hydrogen sector. They are working on innovative technologies that enhance the design of mesh components used in electrolyzers, which are vital for hydrogen production. With a global presence and extensive manufacturing capabilities, ACS serves a wide range of customers, emphasizing their commitment to quality and innovation. The company has also received funding, indicating ongoing investment in their growth and development.


18. Santoro Oil

  • Website: santorooil.com
  • Ownership type: Family Owned
  • Headquarters: Providence, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1952
  • Headcount: 51-200
  • LinkedIn: santoro-oil

Santoro Oil, established in 1952, is a family-owned fuel delivery and HVAC service provider based in Providence, Rhode Island. The company operates primarily in Rhode Island and Southeastern Massachusetts, catering to both residential and commercial clients. Santoro Oil specializes in delivering home heating oil, propane, and commercial fuels, while also offering maintenance services for heating and cooling systems. Their technicians are trained to ensure that equipment runs at peak efficiency, which is crucial for energy conservation. Notably, Santoro Oil provides Bioheat, a blend of traditional heating oil and biodiesel, which is designed to burn cleaner and more efficiently. This commitment to environmentally friendly solutions and energy-efficient practices positions Santoro Oil as a relevant player in the energy efficiency sector.


19. VoltServer Inc.

  • Website: voltserver.com
  • Ownership type: Venture Capital
  • Headquarters: East Greenwich, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 97%, United Kingdom (UK) 3%
  • Latest funding: Series B, $17.5M, April 2023
  • Founded year: 2011
  • Headcount: 51-200
  • LinkedIn: voltserver-inc-

VoltServer Inc., founded in 2011 and based in East Greenwich, Rhode Island, is a power distribution company that specializes in innovative Fault Managed Power Systems. The company offers products such as Digital Electricity™ Transmitters and Receivers, which are designed to meet the power distribution needs of various industries, including real estate, agriculture, and data centers. VoltServer's technology converts conventional electricity into a digital format, enabling efficient distribution from a centralized source to multiple endpoints. This approach not only enhances safety but also significantly reduces energy consumption. The company has recently secured $17.5 million in Series B funding, indicating strong investor confidence in its growth potential and technological advancements. VoltServer's solutions are particularly relevant in the context of modern infrastructure demands, where energy efficiency and safety are paramount.


20. AquaMotion

  • Website: aquamotionhvac.com
  • Ownership type: Private
  • Headquarters: Warwick, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: aquamotion

AquaMotion, Inc. is a private manufacturer based in Warwick, Rhode Island, established in 2002. The company specializes in HVAC solutions, particularly in the area of hot water recirculation systems. AquaMotion offers a variety of products, including cast iron and stainless steel circulators, ECM circulators, and pressure boosters, all aimed at providing instant hot water and enhancing energy efficiency for both residential and commercial customers. With a dedicated team of 15 employees, AquaMotion focuses on developing technologies that minimize energy waste and improve the comfort of water heating systems. Their commitment to energy savings positions them as a relevant player in the HVAC industry.


21. Sol Power

  • Website: solpowersolar.com
  • Ownership type: Private
  • Headquarters: Westerly, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 82%, Brazil 18%
  • Founded year: 2013
  • Headcount: 11-50
  • LinkedIn: sol-power-cooperative

Sol Power, based in Westerly, Rhode Island, is a private solar energy company founded in 2013. With a team of 22 employees, the company specializes in the installation and maintenance of solar energy systems for both residential and commercial customers. Sol Power has successfully completed over 1,000 installations, demonstrating their experience and commitment to the solar industry. The company prides itself on being 100% employee-owned, which fosters a culture of accountability and customer focus. Their services include solar installation, off-grid power solutions, and ongoing maintenance, all aimed at helping clients reduce their energy costs and environmental footprint. Sol Power also actively informs customers about available solar incentives, enhancing the financial viability of solar energy adoption. Their dedication to customer satisfaction and sustainable practices positions them as a relevant player in the energy efficiency sector.


22. Anchor Insulation


Anchor Insulation, founded in 1980 and based in Pawtucket, Rhode Island, is a private construction services company that specializes in insulation solutions tailored for a variety of applications. The company provides a comprehensive range of insulation services, including spray foam, fiberglass, and cellulose insulation, catering to residential, industrial, marine, and power plant sectors. Their expertise extends beyond installation; they also conduct energy audits to assess and improve energy efficiency in buildings. This dual focus on insulation and energy assessment positions Anchor Insulation as a significant player in the energy efficiency industry, helping clients reduce energy costs and enhance comfort in their properties.


23. Regent

  • Website: regentcraft.com
  • Ownership type: Venture Capital
  • Headquarters: North Kingstown, Rhode Island, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Latest funding: June 2024
  • Founded year: 2020
  • Headcount: 51-200
  • LinkedIn: regentcraft

Regent Craft Inc., founded in 2020 and based in North Kingstown, Rhode Island, is a transportation technology company specializing in the development and manufacturing of all-electric seagliders. These innovative vehicles are designed for coastal travel, combining the speed of an airplane with the low operating costs of a boat. Regent's flagship product, the Viceroy, is a 12-passenger seaglider that operates with zero emissions, targeting a range of 180 miles at a cruise speed of 180 mph. The company has garnered significant interest from various sectors, including regional airlines and ferry operators, with a reported backlog of over 600 seagliders and a total order value of $9 billion. Regent's mission is to revolutionize coastal transportation while adhering to rigorous safety standards, making it a notable player in the push for sustainable and efficient travel solutions.


24. Reed Semiconductor Corp.

  • Website: reedsemi.com
  • Ownership type: Private
  • Headquarters: Warwick, Rhode Island, United States (USA)
  • Employee distribution: India 42%, United States (USA) 35%, Taiwan 22%
  • Founded year: 2019
  • Headcount: 51-200
  • LinkedIn: reed-semiconductor-corp

Reed Semiconductor Corp., founded in 2019 and based in Warwick, Rhode Island, is a fabless semiconductor company that focuses on innovative power management solutions. The company offers a range of products including eFuses, Multiphase Controllers, and Point-of-Load DC-DC Converters, which cater to sectors such as data centers, automotive, communications, and industrial applications. Reed operates by collaborating with wafer foundries and assembly partners globally, ensuring high-quality production and performance. Their solutions are engineered to address the increasing power demands of modern technologies, particularly in high-performance computing and AI, while also emphasizing energy conservation and efficiency. Reed's commitment to providing robust, efficient, and eco-friendly power solutions positions them as a significant player in the energy efficiency sector.



Energy Efficiency Insights: Key Companies in Rhode Island


CompanyHeadquarterSizeFoundedOwnership
Energy SourceSmithfield, Rhode Island, United States (USA)51-2002003Venture Capital
RiseCranston, Rhode Island, United States (USA)201-5001977Private
Viessmann Climate Solutions USWarwick, Rhode Island, United States (USA)10001+1917Corporate
Frontline Power Solutions, LLCProvidence, Rhode Island, United States (USA)51-2002013Corporate
Eagle Electric Engineering EnterpriseWesterly, Rhode Island, United States (USA)51-2001984Private
Wozny/Barbar & Associates, Inc.Pawtucket, Rhode Island, United States (USA)11-501988Private
EMC ServicesCranston, Rhode Island, United States (USA)11-501986Private
Evergreen SolarProvidence, Rhode Island, United States (USA)11-502020Private
Superior Comfort IncorporatedBristol, Rhode Island, United States (USA)11-502005Private
ColdmastersCranston, Rhode Island, United States (USA)11-501976Private
Green Development LLCCranston, Rhode Island, United States (USA)51-2002009Corporate
Rooftop PowerWarwick, Rhode Island, United States (USA)51-2002017Private
Arden Building CompaniesPawtucket, Rhode Island, United States (USA)51-2001954Private
United Better HomesCentral Falls, Rhode Island, United States (USA)11-502002Family Owned
All Seasons Heating & Air IncJohnston, Rhode Island, United States (USA)11-501974Private
Atlantis Comfort Systems CorpWest Warwick, Rhode Island, United States (USA)201-5002009Family Owned
ACS Industries, Inc.Lincoln, Rhode Island, United States (USA)1001-50001939Private
Santoro OilProvidence, Rhode Island, United States (USA)51-2001952Family Owned
VoltServer Inc.East Greenwich, Rhode Island, United States (USA)51-2002011Venture Capital
AquaMotionWarwick, Rhode Island, United States (USA)11-502002Private
Sol PowerWesterly, Rhode Island, United States (USA)11-502013Private
Anchor InsulationPawtucket, Rhode Island, United States (USA)51-2001980Private
RegentNorth Kingstown, Rhode Island, United States (USA)51-2002020Venture Capital
Reed Semiconductor Corp.Warwick, Rhode Island, United States (USA)51-2002019Private


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