Top Energy Efficiency Startups in Canada (2025 Update)
Explore the best Energy Efficiency companies in Canada. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top Energy Efficiency Startups in Canada featuring 56 Companies
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Moltex Energy | - | Safe. Economical. Clean Energy. | Moltex Energy is developing a next generation nuclear reactor that can produce c... | - |
Canada
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London | Canada (HQ) + 3 | 2014 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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13
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1.5K (-61%) | 4 years ago | Grant | 5 | 48.3M | 9528 | 1 year ago | |
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Airex Energy | - | Decarbonize today for a better tomorrow. | Airex Energy is a world leading climate solutions provider, helping organization... | - |
Canada
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Laval | Canada (HQ) + 1 | 2014 | Energy Efficiency, Waste Solution | - |
1
Low
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35
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2.9K (61%) | 11 months ago | Series D | 4 | 40.2M | 2350 | 5 months ago | |
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Steam Energy Labs Inc. | - | Smart control for residential water heaters, energy demand flexibility in smartg... | Steam saves energy by enabling you to take control of your water heating. It ret... | - |
Canada
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Montreal | Canada (HQ) | 2015 | Energy, Energy Efficiency | [email protected] |
1
Low
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956
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458 | 6 years ago | Pre Seed | 1 | 10.0K | 15847 | 2 Dnn 2uO | |
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TROES | - | TROES - The Revolution Of Energy Storage | TROES Corp. is a Canadian-based, advanced Battery Energy Storage company, specia... | - |
Canada
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Markham | Canada (HQ) | 2018 | ESG, Energy +5 | [email protected] |
1
Low
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23
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3.0K (-9%) | 1 year ago | Debt Financing | 4 | 1.6M | 3139 | 5 months ago | |
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SkyPower Global | - | Generating A Brighter Future. | SkyPower is the largest and one of the most successful developers and owners of... | - |
Canada
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Toronto | Canada (HQ) | 2003 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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84
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884 (-100%) | 15 years ago | Debt Financing | 1 | 50.0M | 15845 | 1 year ago | |
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Intelline Inc. | - | Efficient, reliable, and scalable generators. | Intelline introduces a new diesel generator designed for dependable and safe pow... | - |
Canada
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Kitchener | Canada (HQ) | 2017 | Industrial, Energy Efficiency | - |
1
Low
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4
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687 (70%) | 4 years ago | Seed | 5 | 203.2K | 231 | 3 YXz 4uS | |
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CNERGREEN | - | A Techstars Energy Company, helping the oil industry transition to a low carbon... | CNERGREEN is commercializing a patent-pending nanoparticle-based foam technology... | - |
Canada
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Calgary | Canada (HQ) | 2019 | Energy, Energy Efficiency +1 | [email protected] |
1
Low
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6
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24 | 1 year ago | Seed | 8 | 4.6M | 488 | 5 months ago | |
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Swirltex Inc. | - | A Spin on Industrial Wastewater Filtration | Swirltex builds custom water treatment systems for a wide range of applications.... | - |
Canada
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Calgary | Canada (HQ) | 2015 | Energy Efficiency, Waste Solution | [email protected] |
1
Low
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11
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728 (-2%) | 2 years ago | Debt Financing | 6 | 3.0M | 3914 | 5 months ago | |
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SPARK Microsystems | - | SPARK is the enabling wireless technology of the future. | SPARK Microsystems offers a unique and innovative wireless transceiver technolog... | - |
Canada
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Montreal | Canada (HQ) | 2016 | IT, IoT +3 | [email protected] |
1
Low
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76
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2.9K | 2 years ago | Series B | 8 | 48.5M | 3122 | 6 months ago | |
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Enersion Inc. | - | Emission-free Cooling and Heating in a Box | Introducing Energy Cubed: a refrigerant-free reversible heat pump that produces... | - |
Canada
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Toronto | Canada (HQ) | 2016 | Applications, Energy Efficiency | [email protected] |
1
Low
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13
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1.5K (15%) | 2 years ago | Non Equity Assistance | 5 | 4.6M | 1716 | 8 months ago | |
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GreyJay Energy | - | Efficient Energy for a Smarter Business. | GreyJay Energy is an energy service technology company. We help organizations tr... | - |
Canada
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Edmonton | Canada (HQ) | 2018 | Data Analytics, Energy +3 | [email protected] |
1
Low
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2
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7745 | - | Angel | - | 300.0K | 76 | 2 LFF dUJ | |
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FLITE Material Sciences C... | - | making everyday materials extraordinary | FLITE Material Sciences is advancing a technology that renders the surface of ma... | - |
Canada
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Montreal | Canada (HQ) | 2018 | Manufacturing, Medical Devices +5 | [email protected] |
1
Low
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4
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34540 | - | Non Equity Assistance | - | 268.1K | 499 | 7 07N XaV | |
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Kineticor | - | Kineticor develops, owns, & operates power generation facilities that deliver ef... | Kineticor manages, develops, constructs, owns, and operates power generation fac... | - |
Canada
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Calgary | Canada (HQ) | 2013 | Energy, Information Technology +1 | - |
1
Low
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15
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479 (-28%) | 9 years ago | Private Equity | 2 | 80.0M | 1916 | 5 months ago | |
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CleanO2 Carbon Capture Te... | - | Converting carbon dioxide into valuable products. | At CleanO2, we live the circular economy. Our CarbinX units capture the greenhou... | - |
Canada
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Calgary | Canada (HQ) | 2013 | Energy, Information Technology +4 | [email protected] |
1
Low
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11
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7.9K (-4%) | 2 years ago | Seed | 4 | 2.8M | 3763 | 6 months ago | |
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Anaergia | - | Fueling a Sustainable World | Anaergia was created to eliminate a major source of greenhouse gases by cost eff... | - |
Canada
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Burlington | Canada (HQ) + 6 | 2010 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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192
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6.7K (-18%) | 10 months ago | Post Ipo Equity | 8 | 126.8M | 20276 | 5 months ago | |
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Audette.io | - | Actionable decarbonization plans for commercial real estate portfolios | Audette makes it easy, fast and cheap for commercial real estate asset managers... | - |
Canada
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- | Canada (HQ) | 2019 | B2B, Energy +3 | [email protected] |
1
Low
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23
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2.0K (100%) | 2 years ago | Seed | 6 | 14.3M | 2340 | 5 months ago | |
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Irving Oil | - | Good energy. Every day. | The content on Irving Oil's social media channels is not updated following the d... | - |
Canada
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- | Canada (HQ) | 1924 | Energy, Energy Efficiency +1 | - |
1
Low
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3198
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197.0K (-13%) | 11 years ago | Debt Financing | 1 | 300.0M | 65348 | 5 months ago | |
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Voltai | - | Energy from Motion | Voltai makes ultra energy-dense generators that harvest energy from motion. We d... | - |
Canada
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- | Canada (HQ) | 2022 | Energy, Renewable Energy +2 | - |
1
Low
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2
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1.6K (7%) | 3 years ago | Grant | 1 | 40.0K | 407 | 6 months ago | |
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ValOre Metals Corp | - | Exploring for the Modern World (TSXV: VO) $VO | ValOre Metals Corp. is a Canadian company with a team aiming to deploy capital a... | - |
Canada
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- | Canada (HQ) | 2008 | Energy Efficiency | [email protected] |
1
Low
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7
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1.2K (-33%) | 2 years ago | Post Ipo Equity | 2 | 9.5M | 1645 | 5 months ago | |
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Heliene | - | one of North America’s fastest-growing domestic module manufacturers. | Heliene is one of North America’s fastest-growing domestic module manufacturers... | - |
Canada
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- | Canada (HQ) + 1 | 2010 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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120
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315 (-100%) | 1 year ago | Debt Financing | 3 | 171.5M | 10667 | 5 months ago | |
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Legend Power® Systems | - | Optimal Power. Optimal Performance. | Legend Power® Systems Inc. (www.legendpower.com) is a global leader in onsite Ac... | - |
Canada
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- | Canada (HQ) + 3 | 2001 | Energy, Real Estate +1 | [email protected] |
1
Low
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34
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78891 | 4 years ago | Post Ipo Equity | 6 | 18.4M | 1623 | 5 months ago | |
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BIOX Corporation | Not active anymore | - | We are a renewable energy company that designed, built, owns and operates a 67 m... | - |
Canada
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Hamilton | Canada (HQ) | 2000 | Energy, Renewable Energy +1 | [email protected] |
-1
N/A
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10
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365 | 18 years ago | Private Equity | 1 | 48.0M | 747 | 4 CKU lrb | |
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NewPow Inc. | - | - | Located in Toronto, Ontario, NewPow Inc. has specialized itself in energy effici... | - |
Canada
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Markham | Canada (HQ) | 2013 | Energy, Energy Efficiency | - |
1
Low
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2
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701 | 10 years ago | Equity Crowdfunding | 1 | 20.0K | 82 | 10 qif CE5 | |
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Gran Tierra Energy | - | - | Gran Tierra Energy Inc. together with its subsidiaries (“Gran Tierra”) is a comp... | - |
Canada
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Calgary | Canada (HQ) | 2003 | Energy, Energy Efficiency +1 | - |
1
Low
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739
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558 (-100%) | 1 year ago | Post Ipo Debt | 3 | 304.7M | 65281 | 5 months ago | |
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RocketFrac Services Ltd. | - | - | RocketFrac Services Ltd. is a highly-driven Canadian company focused on the deve... | - |
Canada
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Calgary | Canada (HQ) | 2017 | Energy, Energy Efficiency +1 | - |
1
Low
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3
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38747 | - | Series Unknown | - | 489.5K | 79 | 1 OYq MAK | |
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Canacol Energy Ltd | - | - | Canacol Energy Ltd. is the largest independent conventional natural gas explorat... | - |
Canada
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Calgary | Canada (HQ) + 1 | 2008 | Energy, Renewable Energy +2 | [email protected] |
1
Low
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462
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10.8K (26%) | 2 years ago | Post Ipo Debt | 4 | 482.6M | 63260 | 5 months ago | |
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AlumaPower Corporation | - | Charging the Future. Changing our World. | AlumaPower’s breakthrough technology re-invents the aluminum-air battery as a ‘g... | - |
Canada
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Sarnia | Canada (HQ) | 2017 | Energy, Energy Efficiency | - |
1
Low
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50
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1.4K (-22%) | 3 years ago | Series A | 3 | Unknown | 8682 | 7 months ago | |
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1Click Heating & Cooling | - | Canada's fastest-growing supplier of electrification services | 1Click Heating & Cooling offers a seamless, eco-friendly, and cost-effective sol... | - |
Canada
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Toronto | Canada (HQ) + 1 | 2018 | Energy, Energy Efficiency | [email protected] |
1
Low
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21
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5.0K (-7%) | 6 years ago | Private Equity | 1 | Unknown | 683 | 6 months ago | |
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Volta Technique | - | Cleaner Energy Storage | Volta technique specializes in clean energy storage and management technology. | - |
Canada
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Waterloo | Canada (HQ) | 2018 | Energy, Clean Energy +1 | [email protected] |
1
Low
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6
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376 | 2 years ago | Seed | 1 | Unknown | 160 | 1 year ago | |
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Carbon Wise | - | Let's build a better future together. #BuildCarbonWise | 🌟 Small Team, Big Impact! Carbon Wise is your go-to squad of energy advisors an... | - |
Canada
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- | Canada (HQ) + 1 | - | Energy Efficiency, Construction | [email protected] |
1
Low
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4
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653 (-59%) | 1 year ago | Grant | 1 | 25.0K | 971 | 2 years ago | |
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Eyedro Green Solutions In... | - | Making electricity usage easy to understand. | Eyedro Green Solutions Inc. is a privately owned software and electronics design... | - |
Canada
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Waterloo | Canada (HQ) | 2009 | Cloud Infrastructure, Energy +3 | [email protected] |
1
Low
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5
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43.2K | - | Series Unknown | - | - | 283 | 9 L5l DQr | |
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CircuitMeter Inc. | - | Making Energy Visible. Making Energy Manageable. | CircuitMeter builds a low cost electrical metering solution for commercial and i... | - |
Canada
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Toronto | Canada (HQ) | 2009 | Analytics, Energy +1 | [email protected] |
1
Low
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6
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73597 | - | Debt Financing | - | 550.0K | 508 | 6 months ago | |
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Hydro One | - | We bring the light. We’re devoted to helping you, and communities across Ontario... | We bring the light. We’re the energy company devoted to helping customers and co... | - |
Canada
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Toronto | Canada (HQ) | 1999 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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5294
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86524 | 9 months ago | Post Ipo Debt | 5 | 3.1B | 101554 | 4 months ago | |
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CVTech-IBC | - | Customized service is at the core of our business strategy! | CVTech-IBC is the leading manufacturer of variable speed transmissions for the g... | - |
Canada
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Drummondville | Canada (HQ) | 1969 | Energy, Industrial +1 | - |
1
Low
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65
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231 | - | Series Unknown | - | 5.6M | 192 | 11 months ago | |
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OPEN Technologies | - | Data tools to help city-shapers make pro-climate decisions with confidence | OPEN Technologies helps city-shapers make data-informed decisions. We build soft... | - |
Canada
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- | Canada (HQ) | 2017 | IT, Information Technology +3 | [email protected] |
1
Low
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18
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14927 | - | Grant | - | 43.2K | 1333 | 6 months ago | |
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Carbon | - | Stopping Climate Change & Starting a Nano-Carbon Economy | Stopping Climate Change & Starting a Nano-Carbon Economy | - |
Canada
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Calgary | Canada (HQ) | 1987 | Energy, Renewable Energy +3 | - |
1
Low
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13
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5103 | 5 years ago | Grant | 1 | 3.5M | 168 | 5 mE1 BIw | |
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Awesense | - | The Energy Transition Platform - The Digital Foundation to Modernize Energy | The Energy Transition Platform is the only Data Model-driven, Digital Twin with... | - |
Canada
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- | Canada (HQ) | 2009 | Analytics, Energy +3 | [email protected] |
1
Low
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15
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4.4K (-2%) | 2 years ago | Non Equity Assistance | 2 | Unknown | 2179 | 5 months ago | |
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Rock Energy Inc. | - | - | Oila nd Gas Expoloration and Production Company | - |
Canada
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Calgary | Canada (HQ) | 1988 | Energy, Clean Energy +1 | [email protected] |
1
Low
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26
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33003 | - | Post Ipo Equity | - | 54.9M | 518 | 1 bgD CZN | |
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EnerSavings Inc | - | Your Trusted Energy Advisor | EnerSavings Inc is committed to providing a sustainable and tailored energy-savi... | - |
Canada
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Toronto | Canada (HQ) | 2018 | Energy, Sustainability +1 | [email protected] |
1
Low
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30
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132 | - | - | - | - | 1843 | 5 months ago | |
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Zerofootprint | Not active anymore | Illuminating energy insights, sparking awareness that leads to action. | Zerofootprint shows energy in ways that help people understand it. And once that... | - |
Canada
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Toronto | Canada (HQ) + 1 | 2005 | Sustainability, Clean Energy +1 | [email protected] |
-1
N/A
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8
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748 | - | - | - | - | 1337 | 1 dez S02 |