(B) Blood & Blood Forming Organs Alphabetical listing of top corporations active in this therapy class. Rank is based on pharmacy sales for 1997 in ten of the leading world markets.* Rank Corporation 1 Amgen 17 Bayer 6 Chugai 5 Daiichi Pharmaceut 2 Du Pont Merck 11 Hoechst 4 Johnson & Johnson 18 Kaken Seiyaku 15 Kissei Yakuhin 8 Mochida 3 Ono 13 Otsuka 12 Rhone Poulenc 9 Roche 10 Sankyo 7 Sanofi 14 Tokyo Tanabe 16 Yamanouchi Seiyaku Navigate: Industry Resources Corporations by therapeutic class: - (A) - (B) - (C) - (D) - (G) - (H) - (J) - (M) - (N) - (P) - (R) - (S)   Navigate: Home Page