Blaszczyk has received fellowships from Harvard University's Charles Warren Center for Studies in American History, the National Endowment for the Humanities, the Smithsonian Institution, and the Chemical Heritage Foundation. She has taught at Boston University, Rutgers University-Camden, the University of Delaware, and the University of Pennsylvania, and spent eleven years as a cultural history curator at the Smithsonian National Museum of American History. In 2008, she received the Harold F. Williamson Prize in Business History for mid-career achievement from the Business History Conference, the largest international association of business historians.