| | Accutome Inc (Malvern, PA) Surgical instruments | |
| | Alcon Laboratories Inc (Reading, PA) Suture & cutting instruments for opthalmic surgery | |
| | Alpha Resources Inc (Stevensville, MI) Metallurgical instruments, laboratory equipment & supplies | |
| | Alpha Scientific Corp (Southeastern, PA) Surgical & medical instruments | |
| | American Meter Co (Erie, PA) Gas meter measuring & controlling instruments | |
| | AMTL Corp (Hollywood, FL) Allergy testing machines & particle analyzing instruments | |
| | Atlas Instrument Co (Chambersburg, PA) Navigational instruments | |
| | Barnant Co (Lake Barrington, IL) Laboratory & pollution measuring instruments, controls, pumps & tubing | |
| | Beamex Inc (Marietta, GA) Importer of portable pressure temperature & electrical computer aided calibration instruments | |
| | Bernhard Inc (Kennett Square, PA) Level measurement instruments & flow meters, ultrasonic devices & electronic controls | |
| | Brasseler USA Manufacturing (Savannah, GA) Dental rotary instruments | |
| | Brenner, Robert W & Sons Inc (Bedford, OH) Plastic cleaning tools for computers & musical instruments; piano & organ keyboards, hand soap & ball point pens | |
| | Cavu Operations Inc (Lafayette, IN) Electrical & epoxy molded coils, instruments & potential transformers | |
| | Consort International (Indianapolis, IN) String musical instruments | |
| | Control Development Inc (South Bend, IN) Manufactures optical instruments | |
