Houlihan Lokey Advises Shamrock Environmental
Houlihan Lokey is pleased to announce the sale of Shamrock Environmental (Shamrock), a portfolio company of CenterOak Partners (CenterOak), to Republic Services (Republic, NYSE:RSG). The transaction closed on February 10, 2025.
Founded in 1994 and headquartered in Browns Summit, North Carolina, Shamrock is a leading vertically integrated provider of industrial waste and wastewater treatment services. The company operates six permitted centralized wastewater treatment facilities and several solidification sites. Through a strategically positioned network of operating locations, a talented team of approximately 300 employees, and an extensive fleet of company-owned tankers and vacuum trucks, Shamrock collects and transports recurring liquid waste for a highly diverse and attractive commercial and industrial customer base across more than 20 states.
CenterOak is a Dallas, Texas-based private equity firm managing $2.5 billion of equity capital commitments with a focus on making control-oriented investments in middle-market companies. The firm invests in business services, industrial services, and consumer services. CenterOak has a history of creating significant value through organizational development, operational improvements, and transformational growth.
Republic is a leader in the environmental services industry. Republic provides customers with the most complete set of products and services, including recycling, solid waste, special waste, hazardous waste, container rental, and field services. Republic’s industry-leading commitments to advance circularity, reduce emissions, and decarbonize operations are helping deliver on its vision to partner with customers to create a more sustainable world.
Houlihan Lokey served as the lead financial advisor to Shamrock. This transaction highlights Houlihan Lokey’s preeminent position and continued success advising clients in the environmental services sector, having successfully advised on 34 signed or closed transactions since the beginning of 2023.
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