ISSA - The Worldwide Cleaning Industry Association is the leading trade association for the cleaning, hygiene, and facility management industry. It offers education, certification, networking opportunities, and business tools to promote cleaning as an investment in human health and the environment. ISSA serves a diverse audience including manufacturers, distributors, contractors, and service providers. Its unique selling proposition is advocating for the value of cleaning and providing a global network of professionals dedicated to advancing the industry. ISSA's mission is to change the way the world views cleaning, emphasizing its importance for health and sustainability[1][2][3].