Private equity firm Oaktree Capital Management agreed to invest in System One, a provider of specialized workforce solutions and integrated services. Financial terms were not disclosed. "We have rapidly expanded our platform and portfolio of services, and we believe System One is well-positioned for continued growth in partnership with Oaktree. The team at Oaktree shares our commitment to our customers and employees and strongly supports our growth initiatives, both organically and through targeted acquisitions," Troy Gregory, System One President and CEO.