Test Products International, Inc. was incorporated in Oregon (USA) June, 1997 and took over the customers of Test Probes, Inc. which was dissolved and liquidated. J.P. Aleskus, Jr. became Chairman and President. Test Probes, Inc. sold oscilloscope probes and test leads to the electronic market.

Since 1997, TPI (Test Products International, Inc.) has been striving to offer the latest technology at the most affordable price to technicians, contractors, engineers and others seeking value based test and measurement instruments. TPI has greatly expanded the product categories, customers and expanded into new market segments worldwide. The company’s mission is to become the leading independent manufacturer and supplier of low cost high performance industrial instrumentation.

Headquartered in the heart of the “Silicon Forest” in Beaverton, Oregon, TPI combines innovation, performance, customer service and high-value in products which include: Vibration, Combustion, Pressure (manometers), Temperature, Combustible gas, Digital Multimeters, Clamp Meters, IAQ, specialty test and measurement instruments, and a wide range of accessories.

Test the TPI Advantage - Value, Performance, Service, Safety!

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TPI Products List

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