Private equity firm Leonard Green & Partners completed the acquisition of Stella Environmental Services, a provider of fully outsourced transfer station management services to the municipal solid waste industry, from Hidden Harbor Capital Partners. Financial terms were not disclosed. With over 65 transfer stations across 9 states, processing more than 7 million annual tons per year, Stella offers a full-service, asset-light model that differentiates the company from competitors and allows it to deliver superior solutions for customers. Stella’s key services include managing fully outsourced operations and waste loading at transfer stations, coordinating waste hauling from transfer stations to landfills, and providing on-site landfill services. Customers served include integrated waste companies and municipalities.