- NDC Infrared Engineering
- Nicol Scales
- Norstat Inc
- Northeast Controls Inc
- Northwest Lasers Inc
- Nrg Systems Inc
- Oil Mist Measurements Inc
- Ophir Corporation
- Optoelectronics Inc
- Otis Instruments
- Owl Technical Assoc Inc
- P & R Industries Inc
- Panel Builders Plus Inc
- Panel Builders Plus Inc
- Paramount Controls Corp
- Paul Brown Probes
- Pettit Applied Technologies
- Phase Dynamics Inc Intl
- Phoenix Small Tool Repair Inc
- Photo Research Inc
- Pixe International Inc
- Pragmatics Inc
- Precision Projection Systems
- Promess Inc
- Proteus
- Pulmac Enterprises Inc
- QMI
- R J Harvey Instrument Corp
- R M Young Co
- R M Young Co
- Radar Engineers
- Radtec Engineering Inc
- Raymond & Lae Engineering
- Renishaw Inc
- Rent It Co
- Rochester Gauges Inc
- Rockwell Automation
- Rolatape Corp
- Ronan Engineering
- Rudolph Technologies Inc
- Ruska Instrument Corp
- S J Electro Systems Inc
- Santa Barbara Engineering Inc
- Schenck Balancing & Diagnostic
- Schlemmer Associates
- Scientific Instruments
- Sea Space Corp
- Seaman-Nuclear Corp
- Seasox
- Selby's Essco
- SEMS Inc
- Sens-All Inc
- Senso-Metrics Inc
- Sensonics Inc
- Sensors For Medicine & Science
- Sherrill Corp
- Shortridge Instruments
- Siemens Applied Automation
- Simulation & Control Tech Inc
- Singenis Corp
- Singenis Corp
- Singleton Corp
- Sloan Technology Corp
- Smith's Detection
- Southeastern Liquid Analyzers
- Spectronics Inc
- Spectrum Associates
- SPM Instruments
- Spx
- SRI Instruments Inc
- SSI Technologies Inc
- Standard Imaging Inc
- Staveley Instruments
- Steinlite Corp
- Sud-Chemie Performance Pack
- Surface Systems Inc
- Sutron Corp
- Sutron Corp
- Symmetricom
- Sypris Test & Measurement Inc
- Systematic Computer Svc
- Taber Industries
- TAC Technical Instrument
- Tavis Corp
- Tech Pump & Controls
- Tektronix Inc
- Tektronix Inc
- Teleflex Inc
- Temperature Control Special
- Tempil Inc
- Tex-Air Parts Inc
- Texas Electronics Inc
- Texas Weather Instruments Inc
- Textron Systems
- Thel-Mar Co
- Therm-O-Disc Inc
- Thermal Engineering Co
- Thermal Instruments
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermo Electron Corp
- Thermoworks
- Thermtrol Corp
- Thor Guard Inc
- Threads Inc
- Thunderbird International Corp
- Timely Products Co
- Troxler Electronic Labs Inc
- Tru-Measure Of New Hampshire
- TSI Inc
- United Measuring Systems
- Vacuum Research Corp
- Vaisala
- Valpey-Fisher Corp
- Vaporless Manufacturing Inc
- VECO Indiana Mfg Corp
- Venture Measurement
- Verifiber Tech Inc
- Verimation Technology Inc
- Verimation Technology Inc
- Viatran Corp
- Vinometer
- Visual Odyssey Inc
- Vitec Inc
- W L Walker Co
- Wahl Instruments Inc
- Watson Industries Inc
- Weiss Instruments Inc
- Welding Technology Corp/Medar
- Welding Technology Corp/Medar
- Wentworth Laboratories Inc
- Wet Labs
- Whipps Inc
- Whipps Inc
- William B Johnson & Assoc
- Williams Pyro Inc
- Williams Pyro Inc
- Wilson Instruments Inc
- Wolff Controls Corp
- XCI Corp
- Xco International Inc
- Z D Test Inc
- Zonge Engineering & Research
