Top Climate Hardware Companies 2026
Companies building hardware for climate tech, clean tech and clean energy, ranked by total funding raised.
Known total funding for 84 of 100 ranked companies: $10.3B.
Showing top 100 matching companies · Ranked by total funding raised
Example request
curl "https://indexed.vc/api/v1/companies?industries=Hardware,Climate+Tech,Clean+Tech,Clean+Energy&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"The API matches any of these industries; this list needs one from each group.
The API industry filter also matches related labels: Cleantech, Sustainability, Energy.
The API has no company type filter, so public companies can appear; this list counts private companies only.
The API cannot leave out companies whose latest round is a grant; this list does.
Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.












