Aurora, a middle-market private equity firm, agreed to acquire Petroleum Service, a provider of site logistics services for the petrochemical, refining, midstream and marine transportation end markets, from SGS, an inspection, verification, testing and certification company, for $335m. "PSC is an excellent fit with Aurora's investment strategy. Over the past 65+ years, PSC has become the established leader in product handling and site logistics across a number of industrial end markets with an industry-leading track record of customer service and safety performance," Matthew Laycock, Aurora Partner.