| Business | Phone |
| Hercules Chemical Co 29 W 38th St # 11, New York 10018 | (212) 869-4330 |
| Johnson Matthey Inc 608 5th Ave # 507, New York 10020 | (212) 245-6790 |
| Kuraray America Inc 101 E 52nd St # 26, New York 10022 | (212) 883-8401 |
| Kyowa Hakko Usa 767 3rd Ave, New York 10017 | (212) 319-5353 |
| Quest International 70 E 55th St # 3, New York 10022 | (212) 980-2929 |
| Sanofi Synthelabo Inc 90 Park Ave, New York 10016 | (212) 551-4000 |
| Standard Aromatics Inc 140 W 58th St, New York 10019 | (212) 926-2000 |
| Sumitomo Chemical America Inc 335 Madison Ave # 830, New York 10017 | (212) 572-8200 |
| Otsuka Chemical Co Ltd 747 3rd Ave # 26, New York 10017 | (212) 826-4374 |