Single Source Health & Safety LLC was founded in 2006 and is national provider of CPR, AED, & First Aid training. We are a nationwide provider of American Red Cross, American Heart Association, & Health & Safety Institute (HSI) and Lifework Education BLS, ACLS, PALS, and CPR/First Aid training. On July 1, 2022 Source Source merged with Lifework Education a leading national provider of healthcare vocational and continuing education.