CenterOak Partners has sold Shamrock Environmental to Republic Services, completing the eighth and final portfolio company exit from CenterOak Equity Fund I LP.
Shamrock Environmental is a provider of industrial waste and wastewater treatment services, operating Centralized Wastewater Treatment facilities and solidification sites.
Republic Services, a waste management and environmental services company, plans to invest $1 billion in acquisitions in 2025, with Shamrock Environmental as the first purchase.
CenterOak focuses on equity investments in companies with enterprise values between $50 million and $500 million and EBITDA between $5 million and $35 million.