Ametek is one of the world’s leading manufacturers and developers of calibration instruments for temperature and pressure and of instruments for testing the tensile strength, compressibility, hardness, elasticity, peel or adhesion ability of materials such as; metals, wood, glass, textiles, paper and plastics. Products include: XP2I Digital Test Gauge, 30 Series Pressure Calibrator, NVision Pressure Recorder and GaugeCalXP Pressure Generator.

Yokogawa Test & Measurement products include digital multimeters, insulation testers, clamp-on testers, and precision DC instruments for use in industry, R&D, and education.


Ralston Instruments offers portable calibration pumps, parts, and accessories for a fast, easy, and inexpensive way to check and calibrate pressure instruments on the job.


REOTEMP is a leading manufacturer of temperature and pressure instrumentation. Products include: bimetal thermometers, pressure gauges, diaphragm seals, RTD’s & Thermocouples, pressure transmitters and related accessories to a variety of process markets.


Vaisala offers test instruments measuring relative humidity, dewpoint, carbon dioxide, oxygen, barometric pressure, wind and rain.


Additel successfully developed Handheld Automated Pressure Calibrators, Precision Pressure Calibrators, Documenting Process Calibrators, Multifunction Process Calibrators, Multifunction Temperature Calibrators, Precision Digital Pressure Gauges, and various Test Pumps and Hand Pumps.


Precision Digital offers digital meters and controllers for flow, level, pressure, and temperature.


Pyromation manufactures temperature sensors for process control applications. Our product line includes thermocouples, RTD’s, and related accessories.


Vidac Solutions is a test systems integration company providing cost-effective turnkey solutions for your functional test, product certification, data acquisition, and difficult-to-control process needs. We build test equipment, data acquisition and control systems for motor testers, hipot, and partial discharge systems. We also design test equipment and end-of-line testers for high pressure pumps and seals. Vidac Solutions test equipment is designed and built in the St. Louis area, but is in use all around the world.