Answer: Prior to February 1,2003, there were four different building-product evaluation services in the United States: the National Evaluation Service (NES), BOCA evaluation services (BOCA ES), ICBO Evaluation Service (ICBO ES), and SBCCI Public Safety Testing and Evaluation Services, Inc. (SBCCI PST & ESI). On February 1, 2003, these four “legacy” services combined their operations as ICC Evaluation Service.