A Tradition of Innovation and Excellence For over 40 years, SEM has been committed to bringing you the best and most effective information destruction products and services. We are equally committed to providing products and services that protect and preserve natural resources. SEM is in the business of providing customers with information destruction solutions. Regardless of the media that information is stored on, we provide solutions for all levels of destruction up to and including NSA specifications for classified information. Whether it's an off-the-shelf product or an engineered system designed from the ground up, our business focus is to provide the absolute best solution for our customers' information destruction requirements.