ISN Continues Momentum After Strong 2020 Share Article Global leader in contractor management services since 2001 to continue supporting safe worksites and improving efficiency of contractor-focused operations in 2021 ISN will be there to help support safer, better working conditions and contractor relationships, this year and in the future. DALLAS (PRWEB) February 16, 2021 ISN, the global leader in contractor management services, today announces details of a strong 2020 which included the addition of 50 new Hiring Clients, such as American Water, Beam Suntory, Butterball, Dart Container, Hunt Refining Company, Jaguar E&P, Mary Kay, S.C. Johnson and Son, Inc., and nearly 10,000 new contractors. More than 170 Hiring Clients expanded their usage to over 900 new sites and business units while the ISN team reviewed more than 250,000 safety and training documents. To close 2020, Blackstone announced a significant minority investment in ISN at a valuation of over $2 billion.