Company lists · Data refreshed November 2026
Top 18 Sustainability nonprofits based in Ottawa, Canada
RevenueBase identified 51 company matches for sustainability nonprofits associated with Ottawa, Canada as of November 2026 and tracks 539 professional contacts across them, including 232 with verified work emails. Across Canada, Toronto is the largest hub for this category (154 companies); Ottawa has 51.
This list covers company matches for sustainability nonprofits associated with Ottawa, Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 18 largest sustainability nonprofits based in Ottawa, Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 73 contacts → | ||||
Exact match “Practical climate solutions, shaped by people and place.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 73 contacts → | ||||
Exact match “The Institute of the Environment, with its interdisciplinary mandate, is not situated in any one faculty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 43 contacts → | ||||
Exact match “Indigenous Clean Energy (ICE) is an independent, Indigenous-governed nonprofit organization that advances broad sustainable prosperity by amplifying First Nation, Inuit, and Métis…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 39 contacts → | ||||
Exact match “IMPACT works with local communities to challenge, change, and lead how their natural resources are governed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 35 contacts → | ||||
Exact match “The Sierra Club Canada Foundation (SCCF) empowers people to be leaders in protecting, restoring and enjoying healthy and safe ecosystems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 21 contacts → | ||||
Exact match “The Council of Canadians is a nonprofit organization that brings people together through collective action and grassroots organizing to challenge corporate power and advocate for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 21 contacts → | ||||
Exact match “Founded in 2007, Ecology Ottawa is a volunteer-driven, non-profit organization working to make Ottawa the green capital of Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match “Leading Change is a Canada-wide movement of young environmental leaders and sustainability professionals working to accelerate action on environmental, social, and economic issues…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 13 contacts → | ||||
Exact match “Profoundry is a collective of like-minded sustainability and climate experts who help organizations create value, manage risk, and build a clean, competitive future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “Forêt Capitale Forest is a local non-profit organization whose mission aims to mitigate the effects of climate change by facilitating the planting of forests and raising awareness…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “Established in 2012, Impact Hub Ottawa (IHO) is a not-for-profit meeting, event, and workspace located in the heart of downtown minutes from Parliament Hill.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Earth Path is an Ottawa-based non-profit organization whose mission is to nourish relationships with nature for a better world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “WTTEC are innovators and visionaries from multiple industries who share a passion for stewarding the care of our environment and humanity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Cultural Spaces brings together decades of experience in policy strategies for protected areas, the built environment, and urban issues.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Welcome to the Peace and Environment Resource Centre (PERC)!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “We help organizations to create outstanding value by following a more energy efficient and sustainable path.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “The Green Budget Coalition (GBC), active since brings together more than twenty of Canada's leading environmental organizations, collectively with over one million members and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “CitySHAPES is a national nonprofit founded by Catherine McKenney to build better cities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “sustainability nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 18 of 51 sustainability nonprofits based in Ottawa, Canada
See the full list, filter by size, metro and specialty, and access 232 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sustainability nonprofits based in Ottawa, Canada at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole Canada list rather than for Ottawa, so it is reported there. Company counts and contact totals on this page are exact for Ottawa, over 51 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Ottawa, Canada whose business descriptions match “sustainability nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 232 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Sustainability nonprofits by metro in Canada
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sustainability nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainability nonprofits are there based in Ottawa, Canada?
RevenueBase identified 51 company matches for sustainability nonprofits associated with Ottawa, Canada as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Envirocentre tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Canada has the most sustainability nonprofits?
Toronto leads Canada with 154 company records, followed by Vancouver (109) and Montreal (105). Ottawa has 51.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 232 professional contacts with verified work emails tracked across these 51 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 51 sustainability nonprofits based in Ottawa, Canada. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 18 sustainability nonprofits based in Ottawa, Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 51 matching company records for sustainability nonprofits based in Ottawa, Canada, with 539 tracked contacts and 232 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 18 sustainability nonprofits based in Ottawa, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Envirocentreenvirocentre.caHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 73 contacts → |
“Practical climate solutions, shaped by people and place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Uottawa Institute Of The Environment IEuottawa.caHQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 73 contacts → |
“The Institute of the Environment, with its interdisciplinary mandate, is not situated in any one faculty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Indigenous Clean Energyindigenouscleanenergy.comHQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 43 contacts → |
“Indigenous Clean Energy (ICE) is an independent, Indigenous-governed nonprofit organization that advances broad sustainable prosperity by amplifying First Nation, Inuit, and Métis…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Impactimpacttransform.orgHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 39 contacts → |
“IMPACT works with local communities to challenge, change, and lead how their natural resources are governed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sierra Club Canada Foundationsierraclub.caHQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 35 contacts → |
“The Sierra Club Canada Foundation (SCCF) empowers people to be leaders in protecting, restoring and enjoying healthy and safe ecosystems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  The Council Of Canadianscanadians.orgHQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 21 contacts → |
“The Council of Canadians is a nonprofit organization that brings people together through collective action and grassroots organizing to challenge corporate power and advocate for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ecology Ottawaecologyottawa.caHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 21 contacts → |
“Founded in 2007, Ecology Ottawa is a volunteer-driven, non-profit organization working to make Ottawa the green capital of Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Leading Changeleadingchangecanada.comHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 15 contacts → |
“Leading Change is a Canada-wide movement of young environmental leaders and sustainability professionals working to accelerate action on environmental, social, and economic issues…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Profoundryprofoundry.caHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 13 contacts → |
“Profoundry is a collective of like-minded sustainability and climate experts who help organizations create value, manage risk, and build a clean, competitive future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Forêt Capitale Forestforetcapitaleforest.caHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 9 contacts → |
“Forêt Capitale Forest is a local non-profit organization whose mission aims to mitigate the effects of climate change by facilitating the planting of forests and raising awareness…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Impact HUB Ottawahubottawa.orgHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 9 contacts → |
“Established in 2012, Impact Hub Ottawa (IHO) is a not-for-profit meeting, event, and workspace located in the heart of downtown minutes from Parliament Hill.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Earth Pathearthpath.caHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Earth Path is an Ottawa-based non-profit organization whose mission is to nourish relationships with nature for a better world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  WTTECwttec.caHQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 5 contacts → |
“WTTEC are innovators and visionaries from multiple industries who share a passion for stewarding the care of our environment and humanity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cultural Spacesculturalspaces.caHQ: Ottawa, CanadaReported employees: 1-10 | Ottawa, Canada | 1-10 | Exact match | 4 contacts → |
“Cultural Spaces brings together decades of experience in policy strategies for protected areas, the built environment, and urban issues.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Welcome to the Peace and Environment Resource Centre (PERC)!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Enertrueenertrue.comHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 2 contacts → |
“We help organizations to create outstanding value by following a more energy efficient and sustainable path.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Green Budget Coalitiongreenbudget.caHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 2 contacts → |
“The Green Budget Coalition (GBC), active since brings together more than twenty of Canada's leading environmental organizations, collectively with over one million members and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cityshapescityshapes.caHQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 1 contacts → |
“CitySHAPES is a national nonprofit founded by Catherine McKenney to build better cities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 51 company matches
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Sustainability nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
50 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Canada list rather than for Ottawa, so it is reported there. Company counts and contact totals on this page are exact for Ottawa, over 51 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Sustainability nonprofits by metro in Canada
Questions about this company list
What does Exact match mean for sustainability nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many sustainability nonprofits did RevenueBase find based in Ottawa, Canada?
The saved snapshot records 51 matching company records, 539 tracked contacts and 232 verified emails. The public preview displays 18 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Sustainability nonprofits based in Buenos Aires, Argentina
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- Sustainability nonprofits based in Perth, Australia
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Cite this list
RevenueBase Data Team. Top 18 sustainability nonprofits based in Ottawa, Canada. Snapshot: November 6, 2026. https://revenuebase.ai/companies/sustainability-nonprofits/canada/ottawa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Sustainability nonprofits based in Buenos Aires, Argentina
- Sustainability nonprofits based in Brisbane, Australia
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Company intelligence · public preview
Top 18 sustainability nonprofits based in Ottawa, Canada
RevenueBase records 51 matching company records for sustainability nonprofits based in Ottawa, Canada, with 539 tracked contacts and 232 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 18 sustainability nonprofits based in Ottawa, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Envirocentreenvirocentre.ca HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 73 contacts → |
“Practical climate solutions, shaped by people and place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Uottawa Institute Of The Environment IEuottawa.ca HQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 73 contacts → |
“The Institute of the Environment, with its interdisciplinary mandate, is not situated in any one faculty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Indigenous Clean Energyindigenouscleanenergy.com HQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 43 contacts → |
“Indigenous Clean Energy (ICE) is an independent, Indigenous-governed nonprofit organization that advances broad sustainable prosperity by amplifying First Nation, Inuit, and Métis…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Impactimpacttransform.org HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 39 contacts → |
“IMPACT works with local communities to challenge, change, and lead how their natural resources are governed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sierra Club Canada Foundationsierraclub.ca HQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 35 contacts → |
“The Sierra Club Canada Foundation (SCCF) empowers people to be leaders in protecting, restoring and enjoying healthy and safe ecosystems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Council Of Canadianscanadians.org HQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 21 contacts → |
“The Council of Canadians is a nonprofit organization that brings people together through collective action and grassroots organizing to challenge corporate power and advocate for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ecology Ottawaecologyottawa.ca HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 21 contacts → |
“Founded in 2007, Ecology Ottawa is a volunteer-driven, non-profit organization working to make Ottawa the green capital of Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Leading Changeleadingchangecanada.com HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 15 contacts → |
“Leading Change is a Canada-wide movement of young environmental leaders and sustainability professionals working to accelerate action on environmental, social, and economic issues…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Profoundryprofoundry.ca HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 13 contacts → |
“Profoundry is a collective of like-minded sustainability and climate experts who help organizations create value, manage risk, and build a clean, competitive future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Forêt Capitale Forestforetcapitaleforest.ca HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 9 contacts → |
“Forêt Capitale Forest is a local non-profit organization whose mission aims to mitigate the effects of climate change by facilitating the planting of forests and raising awareness…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Impact HUB Ottawahubottawa.org HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 9 contacts → |
“Established in 2012, Impact Hub Ottawa (IHO) is a not-for-profit meeting, event, and workspace located in the heart of downtown minutes from Parliament Hill.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Earth Pathearthpath.ca HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Earth Path is an Ottawa-based non-profit organization whose mission is to nourish relationships with nature for a better world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | WTTECwttec.ca HQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 5 contacts → |
“WTTEC are innovators and visionaries from multiple industries who share a passion for stewarding the care of our environment and humanity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cultural Spacesculturalspaces.ca HQ: Ottawa, CanadaReported employees: 1-10 | Ottawa, Canada | 1-10 | Exact match | 4 contacts → |
“Cultural Spaces brings together decades of experience in policy strategies for protected areas, the built environment, and urban issues.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Welcome to the Peace and Environment Resource Centre (PERC)!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enertrueenertrue.com HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 2 contacts → |
“We help organizations to create outstanding value by following a more energy efficient and sustainable path.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Green Budget Coalitiongreenbudget.ca HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 2 contacts → |
“The Green Budget Coalition (GBC), active since brings together more than twenty of Canada's leading environmental organizations, collectively with over one million members and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cityshapescityshapes.ca HQ: Ottawa, ON, CanadaReported employees: 1-10 | Ottawa, ON, Canada | 1-10 | Exact match | 1 contacts → |
“CitySHAPES is a national nonprofit founded by Catherine McKenney to build better cities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 51 company matches
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Sustainability nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
50 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Canada list rather than for Ottawa, so it is reported there. Company counts and contact totals on this page are exact for Ottawa, over 51 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Sustainability nonprofits by metro in Canada
Questions about this company list
What does Exact match mean for sustainability nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many sustainability nonprofits did RevenueBase find based in Ottawa, Canada?
The saved snapshot records 51 matching company records, 539 tracked contacts and 232 verified emails. The public preview displays 18 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 18 sustainability nonprofits based in Ottawa, Canada. Snapshot: November 6, 2026. https://revenuebase.ai/companies/sustainability-nonprofits/canada/ottawa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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