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| The Modal Shop, Inc. |   |
| Ometron, Inc. |   | |
| Robertshaw Tennessee 2318 Kingston Pike - Knoxville, TN 37919 USA - - |   | |
| BEI Sensors & Systems / Precision Systems & Space Div. |   | |
| PCB Piezotronics, Inc. |   | |
| TDK Corporation of America 1600 Feehanville Drive - Mount Prospect, IL 60056 USA - - |   | |
| Kistler Instrument Corp. |   | |
| Hardy Instruments Inc |   | |
| Summit Instruments, Inc. |   | |
| Murata Manufacturing Co., Ltd. |   | |
| Endevco Corporation |   | |
| Silicon Designs, Inc. |   | |
| Kulite Semiconductor Products, Inc |   | |
| Sprengnether Instruments, Inc |   | |
| Instruments & Control Inc 7 Business Park - Branford, CT 06405 USA - - |   | |
| ACT/Techkor |   | |
| Wilcoxon Research, Inc. |   | |
| Hamlin, Inc. |   | |
| Wuntronic Gmbh |   | |
| SPM Instrument Inc. |   | |
| Omega Engineering, Inc. |   | |
| VibroSystM Inc |   | |
| Schaevitz Sensors 1000 Lucas Way - Hampton, VA 23666 USA - - |   | |
| PCB Piezotronics, Inc. |   | |
| Entran Devices, Inc |   | |
| Silicon Designs, Inc. |   | |
| IMI Integrated Micro Instruments |   | |
| Indikon Company, Inc. |   | |
| Columbia Research Laboratories, Inc. |   | |
| JR3, Inc. |   | |
| Vernier Software & Technology |   | |
| Oceana Sensor Technologies |   | |
| NIST National Institute of Standards & Technology |   | |
| Motorola Semiconductor 3102 N. 56th Street - Phoenix, AZ 85018 USA - - |   | |
| Bently Nevada Corporation |   | |
| Summit Instruments, Inc. |   | |
| Bouche Labs |   | |
| Dytran Instruments Inc |   | |
| Jewell Instruments |   | |
| ACT/Techkor |   | |
| Pace Transducer Company PO Box 570430 - Tarzana, CA 91357 USA - - |   | |
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