| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Barrington Chemical Corporation | +1-(914)381-3500 | +1-(914)381-2232 | USA | REQUEST |
| BIOZOL Diagnostica Vertrieb GmbH | +49-871-966346-0 | +49-871-966346-13 | Germany | REQUEST |
| CellMark AB | +46 31 100300 | +46 31 136421 | Sweden | REQUEST |
| Hangzhou Zhongqi Chem Co., Ltd | +86-571-86976032 | +86-571-86972162 | P.R.China | REQUEST |
| Helm U.S. Corporation | +1-(732)981-1160 | +1-(732)981 0965 | USA | REQUEST |
| Nantong Xindao Biotech Ltd | +86 19033786557 | P.R.China | REQUEST | |
| Paul Schueller International Inc. | +1-914 285-0120 | +1-914 285-0121 | USA | REQUEST |
| Rochem International Inc. | +1-631-738-1188 | +1-631-738-1199 | USA | REQUEST |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Shandong Ench Chemical Co.,Ltd | +86-13869131854 | +86 531-8637666 | P.R.China | REQUEST |
| Shanghai Hanhong Scientific Co., Ltd. | +86 21 64762736 | +86 21 54291107 | P.R.China | REQUEST |
| Sigma-Aldrich International GmbH | +41 81 755 28 28 | +41 81 755 28 15 | Switzerland | REQUEST |
| Vantage Specialty Ingredients, Inc (Ruger Chemical Co., Inc.) | +1-(973) 926-331 | +1-(973) 926-4921 | USA | REQUEST |
| Zeta Pharmaceuticals Inc. | +1-201-930-4934 | +1-201-930-4936 | USA | REQUEST |