Energy efficiency is a crucial sector in Colorado, focusing on reducing energy consumption and promoting sustainable practices. This industry consists of various players, including consulting firms, technology providers, and service companies that offer solutions to improve building performance, optimize energy use, and enhance customer engagement. As the push for renewable energy and carbon reduction intensifies, the demand for energy-efficient systems and practices grows. Significant federal and state incentives further illuminate this move toward greener alternatives, revealing Colorado as a strategic hub for innovation in energy efficiency.

The list features 23 notable energy efficiency companies based in Colorado, spanning various sizes—from small teams to larger organizations. Their specialties range from HVAC systems to advanced energy auditing and management tools. Established over several decades, these firms demonstrate a rich history of innovation, with many founded in the early 2000s, illustrating a long-standing commitment to sustainability and efficiency.

Read on to discover the top energy efficiency companies in Colorado.

Top 23 Energy Efficiency Companies in Colorado

1. Switch Automation

• Website: switchautomation.com
• Ownership type: Private Equity
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: Australia 30%, Philippines 25%, United States (USA) 25%, Other 20%
• Latest funding: Series A, $5.8M, October 2019
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: switch-automation

Switch Automation, founded in 2012 and based in Denver, Colorado, is a technology solutions provider that specializes in building management and sustainability. The company offers software solutions that enhance energy efficiency and operational excellence for clients across multiple sectors, including commercial real estate, healthcare, education, and hospitality. Their platform provides tools for portfolio benchmarking, energy efficiency analysis, and digital building management, which are essential for organizations aiming to meet their sustainability targets. With a workforce distributed across Australia, the Philippines, the United States, India, and Ukraine, Switch Automation has a global reach. The company secured $5.8 million in Series A funding in 2019, which supports its growth and innovation in the energy efficiency sector.

2. E Cube, Inc

• Website: ecube.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1975
• Headcount: 11-50
• LinkedIn: e-cube-inc

E Cube, Inc. is a consulting firm based in Denver, Colorado, founded in 1975. The company specializes in building optimization and commissioning services, offering a comprehensive range of solutions aimed at improving energy efficiency and sustainability in various facilities. Their services include New Building Commissioning, Retro-Commissioning, LEED certification, Fault Detection & Diagnostics, and Energy Benchmarking, among others. E Cube has completed over 800 projects across multiple sectors, including healthcare, education, and government, showcasing their expertise in optimizing building performance. The firm employs a team of professionals, including mechanical and electrical engineers, architects, and facility managers, who work collaboratively to ensure that buildings operate efficiently and meet environmental standards. E Cube's commitment to energy efficiency is evident in their extensive experience and the positive impact they have on their clients' operational costs and sustainability goals.

3. Haynes Mechanical Systems

• Website: haynesmechanical.com
• Ownership type: Family Owned
• Headquarters: Greenwood, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1968
• Headcount: 201-500
• LinkedIn: haynes-mechanical-systems

Haynes Mechanical Systems, founded in 1968 and based in Greenwood, Colorado, is a family-owned service company that specializes in energy-efficient HVAC solutions and building automation systems. With a workforce of approximately 187 employees, the company has built a reputation for enhancing energy efficiency and indoor air quality across various sectors, including healthcare, education, and commercial properties. Haynes Mechanical conducts energy audits and retrofits, providing tailored solutions that help clients reduce operational costs and improve energy performance. Their commitment to sustainability is evident in their adherence to guidelines set by organizations like Energy Star and LEED. The company also offers a unique Energy Insight Program, which provides clients with valuable insights into their energy use, helping them identify opportunities for improvement. Through their innovative HaynesSync digital platform, they ensure transparency and efficiency in service delivery, further enhancing their role in the energy efficiency industry.

4. Group14 Engineering, PBC

• Website: group14eng.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1992
• Headcount: 11-50
• LinkedIn: group14-engineering

Group14 Engineering, PBC is a consulting firm based in Denver, Colorado, established in 1992. The company focuses on energy efficiency and sustainability solutions for buildings, offering a comprehensive suite of services that includes energy modeling, commissioning, and sustainability consulting. They cater to a wide range of sectors, such as affordable housing, healthcare, education, and government, helping clients optimize building performance and reduce operational costs. Group14 is recognized for its expertise in sustainable design and energy efficiency, and it has successfully completed over 600 commissioning projects. The firm is also a certified Women-Owned Small Business and holds various sustainability certifications, reflecting its commitment to positive environmental impact. Their innovative approach includes the use of advanced software analytics for ongoing building monitoring, ensuring that energy efficiency measures are effective over time.

5. Redaptive, Inc

• Website: redaptive.com
• Ownership type: Venture Capital
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 50%, India 49%
• Latest funding: $100.0M, October 2024
• Founded year: 2015
• Headcount: 201-500
• LinkedIn: redaptive-inc

Redaptive, Inc., founded in 2015 and based in Denver, Colorado, is an energy efficiency solutions provider focused on delivering tailored energy-saving and sustainability services to commercial and industrial clients. The company operates on a unique model that offers fully funded energy solutions, data management, and capital financing, enabling organizations to reduce operational costs while meeting their sustainability goals. Redaptive's approach is designed to eliminate financial barriers to energy upgrades, allowing clients to implement efficient technologies across multiple sites simultaneously. Their services include energy audits, installation of energy-efficient systems such as HVAC and LED lighting, and ongoing performance monitoring through a proprietary data platform. The company has made significant strides in the industry, with reported savings equivalent to millions of metric tons of CO2 emissions and substantial energy reductions. Recently, Redaptive secured $100 million in funding, further solidifying its position in the market and enhancing its capacity to support clients in their sustainability initiatives.

6. Bluefin, LLC

• Website: bluefinllc.com
• Ownership type: Private
• Headquarters: Greenwood, Colorado, United States (USA)
• Latest funding: August 2019
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: bluefin-llc-roof-express-

Bluefin, LLC, also known as Mantis Innovation, is a facility management company based in Greenwood, Colorado, founded in 2005. With a workforce of approximately 60 employees, the company specializes in energy procurement and sustainability solutions. Mantis Innovation provides a range of services designed to help clients across various sectors, including healthcare, finance, and manufacturing, to reduce costs and enhance operational efficiency. Their offerings include energy procurement strategies, demand response programs, and sustainability consulting, all aimed at improving facility performance. Mantis Innovation is committed to delivering smart, sustainable solutions that not only meet the immediate needs of their clients but also contribute to long-term environmental goals. They have not reported any recent funding, indicating a stable operational model since their last funding round in 2019.

7. Simple Energy

• Website: simpleenergy.com
• Ownership type: Corporate
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: July 2019
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: simple-energy

Simple Energy, operating under the name Uplight, is an energy solutions provider based in Boulder, Colorado. Founded in 2010, the company specializes in customer engagement and energy efficiency. Uplight offers a variety of services, including Home Energy Reports and digital engagement solutions, designed to assist energy providers in enhancing customer satisfaction and optimizing energy usage. Their clientele primarily consists of utilities and energy providers aiming to improve operational efficiency and customer interactions. Uplight has made significant strides in the industry, having saved millions of customers a total of 5.3 TWh of energy since 2012 through their programs. They are also recognized as a certified B Corporation, reflecting their commitment to social and environmental responsibility.

8. Echelon Energy

• Website: echelonenergy.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: navitas-equity-solutions

Echelon Energy, based in Denver, Colorado, is a consulting firm that specializes in energy efficiency solutions tailored for real estate owners. Founded in 2019, the company has quickly established itself as a key player in the energy efficiency sector. Echelon offers a range of services, including thorough energy audits, utility analysis, and the installation of advanced energy-saving technologies. Their client base primarily consists of businesses in the real estate sector, aiming to reduce utility costs and enhance property sustainability. Echelon's team comprises professionals with extensive experience in commercial real estate, having previously managed significant utility efficiency upgrades. This background allows them to understand the unique challenges faced by property owners and investors. Their commitment to active monitoring and reporting ensures that energy savings are not only achieved but also sustained over time, further solidifying their role in the energy efficiency industry.

9. Summit Utilities, Inc.

• Website: summitutilitiesinc.com
• Ownership type: Private
• Headquarters: Centennial, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1997
• Headcount: 1001-5000
• LinkedIn: summit-utilities-inc

Summit Utilities, Inc., based in Centennial, Colorado, is a private energy provider specializing in natural gas distribution and energy efficiency programs. Founded in 1997, the company serves a wide range of customers, including residential, commercial, and industrial sectors. Summit Utilities prioritizes safe and reliable energy solutions while promoting sustainability through various initiatives. Their commitment to energy efficiency is demonstrated by their significant investments in programs aimed at reducing energy consumption and carbon emissions. In 2022, they reported conserving 5 million therms of natural gas through these efforts. The company also emphasizes community engagement, contributing to local charitable organizations and supporting economic development in the areas they serve. Summit's focus on environmental stewardship is further highlighted by their participation in methane reduction initiatives and their commitment to integrating renewable natural gas into their operations.

10. Uplight

• Website: uplight.com
• Ownership type: Venture Capital
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 64%, India 24%, Canada 10%, Other 2%
• Latest funding: March 2021
• Founded year: 2019
• Headcount: 501-1000
• LinkedIn: uplightenergy

Uplight, founded in 2019 and based in Boulder, Colorado, is an energy solutions provider that specializes in customer engagement and energy efficiency. The company offers a variety of services aimed at helping energy providers and businesses optimize their energy usage. Their offerings include Home Energy Reports, demand management solutions, and a marketplace for energy-efficient products. Uplight has made significant strides in the industry, having saved millions of customers a total of 5.3 TWh of energy since 2012 through their innovative programs. The company operates primarily in the energy sector, leveraging advanced technology to enhance customer satisfaction and drive engagement. Uplight is also a certified B Corporation, reflecting its commitment to social and environmental responsibility.

11. EnergyLogic, Inc.

• Website: theenergylogic.com
• Ownership type: Private
• Headquarters: Berthoud, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: energy-logic-inc-_2

EnergyLogic, Inc. is a private company based in Berthoud, Colorado, founded in 2006. The firm specializes in building efficiency and energy compliance services, catering primarily to builders and energy professionals. Their service offerings include energy code compliance, HERS ratings, HVAC design, and various certifications such as ENERGY STAR and LEED. EnergyLogic has built a reputation for its expertise in applied building science, helping clients navigate the complexities of energy efficiency in construction. The company has a notable track record, having inspected over 60,000 homes and buildings, which underscores its active role in promoting energy-efficient practices. EnergyLogic's mission is to ensure that all buildings are efficient, healthy, and resilient, reflecting a commitment to sustainability and quality in the construction industry.

12. eGauge Systems - Know Your Power

• Website: egauge.net
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: egauge-systems

eGauge Systems LLC, based in Boulder, Colorado, is a private company founded in 2006 that specializes in energy monitoring systems. The company offers a range of products and software solutions designed to help customers monitor and manage their energy consumption effectively. Their systems cater to both residential and commercial clients, providing tools that allow users to visualize energy usage in real-time and receive alerts for unexpected patterns. This capability is crucial for identifying inefficiencies and reducing energy costs. eGauge's technology includes features such as mobile energy alerts, customizable user interfaces, and the ability to monitor renewable energy production. The company has also engaged in community initiatives, such as the ReNew Our Schools program, which educates students and faculty about energy usage and conservation. This involvement highlights their commitment to promoting energy efficiency beyond just their products. eGauge Systems has not reported any funding, indicating a self-sustaining business model focused on delivering value to its customers without reliance on external financial support.

13. Tendril

• Website: tendrilinc.com
• Ownership type: Corporate
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: Australia 50%, United States (USA) 50%
• Latest funding: $86.5M, November 2021
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: tendril

Tendril, now known as Uplight, is a company based in Boulder, Colorado, specializing in energy management solutions. Founded in 2004, Uplight focuses on enhancing customer engagement and optimizing energy usage for businesses and organizations. Their offerings include energy efficiency programs, demand management, and electric vehicle solutions, all aimed at helping clients improve satisfaction and reduce costs. Uplight has a significant presence in the industry, with a workforce split between the United States and Australia. The company has received substantial funding, with the last reported amount being approximately $86 million in November 2021. This financial backing supports their innovative approach to energy management and customer engagement, positioning them as a key player in the energy efficiency market.

14. Next Step Energy Solutions

• Website: nextstepenergysolutions.com
• Ownership type: Private Equity
• Headquarters: Littleton, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2024
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: next-step-energy-solutions

Next Step Energy Solutions, founded in 2010 and based in Littleton, Colorado, specializes in energy-efficient LED lighting solutions. The company offers a comprehensive suite of services, including detailed lighting audits, professional installation, and various financing options designed to help businesses reduce energy costs and enhance lighting quality. With a focus on sectors such as healthcare and commercial real estate, Next Step has successfully retrofitted over 100 million square feet of properties, leading to significant energy savings and improved environmental outcomes. Their proprietary technology and software facilitate accurate audits and financial analyses, ensuring clients understand the benefits of transitioning to LED lighting. The company also emphasizes sustainability, claiming to have saved over 1.1 billion metric tons of CO2 emissions through their projects. Their innovative financing models, including Property Assessed Clean Energy (PACE) programs and Lumens-As-A-Service, allow clients to upgrade their lighting systems without upfront costs, making energy efficiency more accessible. Overall, Next Step Energy Solutions is positioned as a key player in the energy efficiency industry, dedicated to helping clients achieve their sustainability and cost-saving goals.

15. Energetics Consulting Engineers, LLC

• Website: energetics-eng.com
• Ownership type: Private
• Headquarters: Aurora, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: energetics-consulting-engineers-llc

Energetics Consulting Engineers, LLC, based in Aurora, Colorado, is an energy consulting firm established in 2015. The company specializes in energy modeling, sustainability consulting, and daylighting analysis, aiming to assist building designers and owners in achieving energy efficiency and compliance with energy codes. Energetics focuses on optimizing building performance and reducing operational costs across various project types, including commercial, multifamily, and residential developments. The firm is actively involved in local initiatives, contributing to policy development for energy codes and sustainability goals in Colorado. They are also recognized as a provider of Xcel Energy’s Energy Design Assistance program, helping clients secure utility rebates and navigate energy efficiency documentation for various green certifications. Their commitment to pragmatic and cost-effective solutions reflects a deep understanding of building science and the financial implications of energy efficiency measures.

16. Terralux

• Website: sielo.com
• Ownership type: Venture Capital
• Headquarters: Longmont, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $11.0M, March 2015
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: terraluxcorp

Terralux, known as Sielo, is a lighting solutions provider based in Longmont, Colorado, founded in 2003. The company specializes in intelligent building technologies and LED lighting solutions, catering to various sectors such as healthcare, hospitality, and education. Sielo's product offerings include LED retrofits and the LEDSENSE® platform, which integrates lighting with HVAC and occupancy monitoring to optimize energy use. With a workforce of around 31 employees, the company operates primarily in the United States. Sielo has received significant venture capital funding, totaling $11 million as of March 2015, which supports its ongoing innovation and development in energy-efficient technologies. Their focus on creating sustainable and innovative solutions positions them as a key player in the energy efficiency industry.

17. Enabled Energy, Inc.

• Website: enabledenergy.net
• Ownership type: Private
• Headquarters: Littleton, Colorado, United States (USA)
• Employee distribution: United States (USA) 92%, Canada 8%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: enabled-energy

Enabled Energy, Inc., founded in 2009 and based in Littleton, Colorado, is an energy services company that specializes in energy efficiency and sustainability solutions. The firm primarily serves data centers, telecommunications, and enterprise clients, offering a range of services that include engineering, construction, and operational monitoring. Their approach is centered on identifying and implementing cost-saving projects that enhance reliability and reduce operational expenses. With a team of experienced engineers and specialists, Enabled Energy has completed numerous optimization projects across the United States, focusing on improving energy efficiency and infrastructure performance. Their proprietary programs, such as EE Pro, EE-Z Save™, and ClaritEE™, reflect their commitment to delivering tailored solutions that drive measurable results for their clients. The company has established a reputation for providing verifiable outcomes and sustainable savings, making it a notable player in the energy efficiency sector.

18. Arcadia

• Website: arcadia.com
• Ownership type: Venture Capital
• Headquarters: Greenwood, Colorado, United States (USA)
• Employee distribution: India 71%, United States (USA) 28%
• Latest funding: Other (Debt), $30.0M, April 2024
• Founded year: 2014
• Headcount: 501-1000
• LinkedIn: joinarcadia

Arcadia, founded in 2014 and based in Greenwood, Colorado, is a clean energy technology provider that specializes in data solutions for energy optimization. The company offers a comprehensive platform that connects users to utility data, enabling businesses to manage their energy consumption effectively. Arcadia's services include carbon accounting, energy management tools, and access to a vast network of utility providers, covering 95% of U.S. utility accounts. With a workforce of approximately 820 employees, the company has received significant funding, including a recent $30 million investment in April 2024. This funding supports their mission to empower organizations in achieving sustainability goals and transitioning to a zero-carbon future.

19. Touchstone IQ

• Website: touchstoneiq.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: touchstone-benchmarking

Touchstone IQ, founded in 2014 and based in Denver, Colorado, is an energy management company that specializes in energy benchmarking and compliance. The firm provides innovative tools and services designed to help building owners, government agencies, and utility companies meet energy regulations and improve energy efficiency. Their offerings include a comprehensive energy management platform that simplifies compliance with energy benchmarking laws and building performance standards. Touchstone IQ's team consists of experienced professionals, including certified energy managers and engineers, who work closely with clients to deliver tailored solutions. The company has established itself as a trusted partner for numerous clients, including Fortune 500 companies and various government entities, by providing expert guidance and support in energy management and sustainability planning.

20. DR Associates

• Website: drallc.net
• Ownership type: Private
• Headquarters: Westminster, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: drassociates

DR Associates, established in 2005 and based in Westminster, Colorado, is a private company specializing in building automation and environmental control systems. With a team of experienced professionals, the company provides a range of services aimed at optimizing energy use in commercial settings. Their offerings include HVAC optimization, real-time energy monitoring, and analytics, which help clients understand and reduce their energy consumption. DR Associates is recognized as a Honeywell Authorized Controls Integrator and a Siemens Solution Partner, showcasing their expertise in integrating advanced technology into building management systems. The company has successfully implemented projects across various sectors, including commercial, government, education, and hospitality, demonstrating their capability to enhance energy efficiency in diverse environments.

21. Technology Plus Inc.

• Website: technologyplus.com
• Ownership type: Private
• Headquarters: Aurora, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 11-50
• LinkedIn: technology-plus

Technology Plus Inc. (TPI) is a consulting firm that specializes in technology integration and system solutions. Founded in 1991, TPI has built a reputation for providing unbiased needs analysis and equipment recommendations to clients across various sectors. In December 2022, TPI was acquired by RMH Group, a mechanical and electrical consulting engineering firm. This merger allows TPI to expand its capabilities and offer a more comprehensive suite of services, including mechanical, electrical, plumbing, and technology design. The partnership enhances their ability to deliver integrated solutions for sustainable and smart buildings, reflecting a commitment to energy efficiency and innovation in the built environment. TPI's focus on keeping abreast of emerging technologies ensures that clients receive the latest advancements in system design, further supporting energy-efficient practices.

22. Independent Power

• Website: solarips.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: solarips

Independent Power, based in Boulder, Colorado, is a private service company that has been operating since 1996. The firm specializes in renewable energy solutions, focusing on solar energy systems, heat pumps, and battery storage. They cater to a variety of clients, including homeowners, businesses, and organizations, all seeking to lower energy costs and enhance sustainability. With a workforce of approximately 66 employees, Independent Power has established itself as a local expert in the renewable energy sector, particularly in Colorado and Montana. The company offers customized energy solutions and financing options, ensuring that their services meet the specific needs of their clients. Their commitment to energy independence is evident in their comprehensive offerings, which include solar panel installation, HVAC services, and energy storage solutions. Independent Power has also received recognition for its contributions to the community and the environment, making it a notable player in the energy efficiency industry.

23. UQM Technologies, Inc.

• Website: uqm.com
• Ownership type: Corporate
• Headquarters: Longmont, Colorado, United States (USA)
• Latest funding: $100.0M, January 2019
• Founded year: 1967
• Headcount: 51-200
• LinkedIn: uqm-technologies

UQM Technologies, Inc., based in Longmont, Colorado, is a company that designs and manufactures electric motors and power electronics. Founded in 1967, UQM has carved out a niche in the electric propulsion market, focusing on providing solutions that enhance energy efficiency and reduce environmental impact. Their products are utilized in various applications, including electric vehicles, hybrid systems, and renewable energy projects. UQM has received significant funding, amounting to $100 million as of January 2019, which underscores investor confidence in their technology and market potential. The company is actively involved in advancing electric propulsion technologies, contributing to the broader movement towards sustainable energy solutions.

Energy Efficiency Insights: Key Companies in Colorado

Company	Headquarter	Size	Founded	Ownership
Switch Automation	Denver, Colorado, United States (USA)	51-200	2012	Private Equity
E Cube, Inc	Denver, Colorado, United States (USA)	11-50	1975	Private
Haynes Mechanical Systems	Greenwood, Colorado, United States (USA)	201-500	1968	Family Owned
Group14 Engineering, PBC	Denver, Colorado, United States (USA)	11-50	1992	Private
Redaptive, Inc	Denver, Colorado, United States (USA)	201-500	2015	Venture Capital
Bluefin, LLC	Greenwood, Colorado, United States (USA)	51-200	2005	Private
Simple Energy	Boulder, Colorado, United States (USA)	51-200	2010	Corporate
Echelon Energy	Denver, Colorado, United States (USA)	11-50	2019	Private
Summit Utilities, Inc.	Centennial, Colorado, United States (USA)	1001-5000	1997	Private
Uplight	Boulder, Colorado, United States (USA)	501-1000	2019	Venture Capital
EnergyLogic, Inc.	Berthoud, Colorado, United States (USA)	51-200	2006	Private
eGauge Systems - Know Your Power	Boulder, Colorado, United States (USA)	11-50	2006	Private
Tendril	Boulder, Colorado, United States (USA)	51-200	2004	Corporate
Next Step Energy Solutions	Littleton, Colorado, United States (USA)	11-50	2010	Private Equity
Energetics Consulting Engineers, LLC	Aurora, Colorado, United States (USA)	11-50	2015	Private
Terralux	Longmont, Colorado, United States (USA)	51-200	2003	Venture Capital
Enabled Energy, Inc.	Littleton, Colorado, United States (USA)	11-50	2009	Private
Arcadia	Greenwood, Colorado, United States (USA)	501-1000	2014	Venture Capital
Touchstone IQ	Denver, Colorado, United States (USA)	11-50	2014	Private
DR Associates	Westminster, Colorado, United States (USA)	11-50	2009	Private
Technology Plus Inc.	Aurora, Colorado, United States (USA)	11-50	1989	Private
Independent Power	Boulder, Colorado, United States (USA)	11-50	1996	Private
UQM Technologies, Inc.	Longmont, Colorado, United States (USA)	51-200	1967	Corporate

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