Company lists · Data refreshed September 2026
All Energy efficiency retrofit contractors lists
Every Energy efficiency retrofit contractors list RevenueBase publishes, by country and city. 17 lists covering 4,899 companies, verified September 2026. Largest markets first.
Energy efficiency retrofit contractors by location
- Energy efficiency retrofit contractors based in the United States1,642
- Energy efficiency retrofit contractors based in France832
- Energy efficiency retrofit contractors based in the United Kingdom535
- Energy efficiency retrofit contractors based in Italy315
- Energy efficiency retrofit contractors based in Spain309
- Energy efficiency retrofit contractors based in Canada229
- Energy efficiency retrofit contractors based in Germany214
- Energy efficiency retrofit contractors based in the Netherlands171
- Energy efficiency retrofit contractors based in Australia150
- Energy efficiency retrofit contractors based in Brazil141
- Energy efficiency retrofit contractors based in Belgium85
- Energy efficiency retrofit contractors based in Ireland77
- Energy efficiency retrofit contractors based in India55
- Energy efficiency retrofit contractors based in Portugal40
- Energy efficiency retrofit contractors based in Sweden38
- Energy efficiency retrofit contractors based in Switzerland36
- Energy efficiency retrofit contractors based in Poland30
Counts are matching companies in the RevenueBase company graph as of each list's last refresh date.