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