Discovery Drive, Swiftwater, PA 18370; formerly est, no. 1277; Aventis Pasteur Inc. (renamed 1/2005), a subsidiary of Sanofi Aventis S.A.; The Swiftwater facilities of Merrell-National Labs. (est. no. 101), Richardson-Merrell Inc., were purchased by Connaught Labs. in late 1977. See Merrell-National Labs. for list of products transferred; Connaught Labs. later became part of Pasteur Merieux Connaught (PMC; est. no. 0711), and then part of Aventis Pasteur S.A. in December 1999; The company is the largest U.S. manufacturer and marketer of vaccines.
