Top 10 Private Equity Investors: Environmental
| Rank | Investor Name |
|---|---|
| 1 | Ardian |
| 2 | Kinderhook Industries |
| 3 | I Squared Capital |
| 4 | Ares Management |
| 5 | Harvest Partners |
| 6 | BlackRock |
| 7 | Littlejohn & Co. |
| 8 | Levine Leichtman Capital Partners |
| 9 | Canadian Business Growth Fund |
| 10 | Republic Services |
Activity here is driven more by add-on acquisitions through existing platforms than by new platform deals, which favors sellers of founder-owned businesses in fragmented niches. Regulatory-driven demand for waste, water, and remediation services makes environmental services a durable consolidation category. These are buyers and control investors. This list is most relevant if you are selling the company, recapitalizing, or seeking a majority partner.
The CapitalDart directory identifies the right person to contact at each of these firms, with their individual investment criteria.
Rankings reflect investment activity from January 2025 through July 2026 in US and Canada companies, based on transactions matched to the CapitalDart directory. Seed and Early Stage rank by participation, Later Stage by rounds led, Private Equity by control and buyout activity. Updated periodically.