NSF International, a global leader in standards development, product certification, management system registration and education for public health and safety, has acquired the Inassa Group based in Lima, Peru.  The Inassa Group, which consists of International Analytical Services S.A.C., Environmental Laboratories Peru S.A.C. and Servicios Integrales de Saneamiento S.A.C., is a leader in the Peruvian market for analytical testing, certification, inspection and training for the food, water and health sciences industries.  The acquisition is part of NSF's ongoing strategy to expand its presence in Latin America. Cascade Partners serves as the exclusive financial advisor to NSF International.