Diplomat Pharmacy is seeing the fruits of its med peddling labors. Doing business as Diplomat Specialty Pharmacy, it is the largest privately-held specialty pharmacy in the US and is growing fast. It contracts with managed care providers, drugmakers, and pharmacy benefits managers to deliver medications, drug management programs, and services to patients with chronic illnesses, such as arthritis, cancer, Hepatitis C, HIV/AIDS, kidney disease, and multiple sclerosis. It has locations in California, Florida, Illinois, Michigan, and Ohio. Founded by Dale Hagerman in 1975, the company is today co-owned by son and CEO Phil Hagerman and senior vice presidents Jeff Rowe and Steve Chaffee.