The Mount Sinai Medical Center is a 1,171 bed, tertiary care teaching facility acclaimed internationally for excellence in clinical care. Founded in 1852, The Mount Sinai Medical Center encompasses The Mount Sinai Hospital and Mount Sinai School of Medicine.  In the nine years that Mt. Sinai has been a client, they have grown more than 600,000 square feet in facility size, added more than 4,000 new employees and with Antos' help and guidance, have maintained or decreased their waste costs  Within three years Mount Sinai saw a savings of 50%.

Holy Cross Hospital is a general medical and surgical hospital in Fort Lauderdale, FL, with 559 beds. It was founded in 1955 and has received honors for its patient safety, orthopedics, urology, gynecology, women's health, geriatric and stroke care. Within three years Holy Cross Hospital saw a savings of 55%.

Washington Hospital Center is the largest private hospital in Washington, D.C. A member of MedStar Health, the not-for-profit Hospital Center is licensed for 926 beds. Health services in primary, secondary and tertiary care are offered to adult and neonatal patients. It also serves as a teaching hospital for Georgetown University School of Medicine. Within three years Washington Hospital saw a savings of 43%.

Robert Wood Johnson University Hospital is a 965-bed hospital with campuses in New Brunswick and Somerville, offering Central New Jersey residents expanded access to the highest quality medical services and a wider array of innovative therapies available at only a small number of elite academic medical centers nationwide. Within three years RWJ saw a savings of 38%.