| | CooperSurgical Inc (Newbury, OH) Medical & surgical instruments | |
| | CPS Products Inc (Hialeah, FL) Manufacture testing instruments for air conditioning & refrigeration systems | |
| | Creative Design & Mfg Ltd (Essington, PA) Automated machinery & test instruments | |
| | Cuda Fiberoptics (Jacksonville, FL) Manufactures fiber optic cables, scanners, readers, illuminators, laser laparoscopes, bronchoscopes, micro-manipulators & medical instruments | |
| | Diamond General Development (Ann Arbor, MI) Research & biomedical instruments & apparatus; dental equipment | |
| | Dittmar Inc (Cheltenham, PA) Surgical instruments & medical equipment | |
| | Dymax Corp (Pittsburgh, PA) Medical instruments: ultrasound scanners & probes | |
| | Ecos Electronics Corp (Oak Park, IL) Electrical safety testing & measuring instruments | |
| | Engelhardt-Link Inc (Elk Grove Vlg, IL) Musical instruments: cellos & bass fiddles | |
| | E-T-A Control Instruments (Mount Prospect, IL) Controlling instruments | |
| | Florida Aircraft Instrument (Leesburg, FL) Flight instruments: automatic pilots, global positioning systems & radios | |
| | Fox Products Corp (South Whitley, IN) Musical instruments: English horn, bassoons, oboes, contrabassoons & accessories | |
| | Fredericks Co (Huntingdon Vly, PA) Vacuum measuring instruments, gauges & precision glass components | |
| | Gammex RMI (Milwaukee, WI) Manufactures quality & diagnostic instruments in medical imaging & cancer radiation oncology | |
| | Getzen Musical Instruments Ltd (Elkhorn, WI) Brass musical instruments: trumpets, trombones, cornets, baritones, flugelhorns, tubas & French horns | |
