| |||
|
| Advanced Instruments, Inc. |   | |
| Allied High Tech Products, Inc. |   | ||
| CSC Scientific Company, Inc. |   | ||
| Extech Instruments |   | ||
| Electron Machine Corp |   | ||
| Glen Mills, Inc. |   | ||
| K-MAC, Korea Materials & Analysis Corporation |   | ||
| Menda Products, Inc. |   | ||
| Laboratory Equipment |   | ||
| Tekmar-Dohrmann |   | ||
| Reed Business Information (Cahners) - |   | ||
| Beckman Coulter Inc. 4300 N. Harbor Boulevard - P.O. Box 3100 - Fullerton, CA 92834-3100 USA - |   | ||
| Buehler 41 Waukegan Rd. - P.O. Box 1 - Lake Bluff, IL 60044-1699 USA - |   | ||
| |||