Symposium 2019The 18th Annual Cleaning Industry Standards and Benchmarking Event will be at The Westgate in Park City, UT October 7-9, 2019. Learn More ANSI Accredited Standards Developer (ASD)Simon Institute has been approved by ANSI as an Accredited Standards developer. Professionalizing The Cleaning Industry Simon Institute is a non-profit group dedicated to professionalizing the cleaning industry. We are an ANSI Accredited Standards Developer