Palmer Wahl Gauges, Switches and Tranducers
With over 173 years of continued innovation, we are a leader in the manufacture of quality industrial instruments. Our experience makes us uniquely qualified to offer an extensive line of the world’s finest temperature, pressure, humidity, test and calibration products.
Alicat Scientific Mass Flow Meters and Pressure Controllers
Mass flow controllers (MFCs) were originally designed to take the guess work out of precision gas flow control. Today, the demand for accurate and repeatable gas flow control spans dozens of industries. Demand for mass flow controllers is growing and customers are requiring MFCs that are easy to use, fast, reliable, accurate, cost effective and robust.
Mallard Control Valves
Mallard Control is a premier supplier of measuremnt and control solutions to the oil and gas industry. Mallard control valves come arrays from durable and reliable general-purpose industrial control valve, well suited for throttling or on/off control of non-lubricating, viscous, or other hard-to-handle fluids to Piston Check Valve is made for the prevention of gas or liquid backflow.
Phoenix Precision
Phoenix Precision
complete range of instrumentation valves including needle valves, gauge valves, and instrumentation manifolds. We also manufacture specialty valves that provide more advanced solutions for applications increasingly being called for in the field including a complete assortment of monoflanges, single block and double block and bleed gauge root valves, thread-less designed valves, and the most advanced designed stabilizer taps in the industry
Tube Fittings
Kor-Lok is a leading supplier to the industrial distribution market Instrumentation of fittings, pipe, tubing and valves. Kor-lok tube fittings, pipe fittings, stainless steel pipe, bleed valves, purge valves, gauge valves, root valves, and manifolds valve; we produce the most reliable instrumentation components in the world.
Dew point, Humidity and Oxygen Instrumentation
Manufacturers of dew point transmitters, dew point meters, chilled/cooled mirror hygrometers, relative humidity sensors, process moisture analyzers, hydrocarbon dew point analyzers, moisture in liquid analyzers and oxygen analyzers, Michell Instruments is an international leader in high-precision sensing with over 30 years’ experience in the field.
U S Gauge
Pressure Gauges
U.S. Gauge is one of the world's leading suppliers of high quality, competitively priced pressure and temperature measurement products. Founded in 1904, USG's product offering includes bourdon tube and diaphragm capsule pressure gauges ranging in size from 1-1/2 inches to 6 inches; with brass, stainless steel, alloy steel or Monel internals.
RTD's Thermocouples and Transmitters
JMS designs and manufactures a complete line of high quality standard and customized temperature sensors including thermocouples, RTD's and Thermowells as well as a wide selection of temperature accessories


Progressive Instruments is a result of a growing need in the industry for quality products available for the instrumentation and analytical professionals. Not only can we supply quality products, but we can also assist with your specifications needs. Our purpose is to respond promptly with the highest quality products, engineered solutions, or innovative technologies. We are based in Houston, Texas and provide products to customers throughout most of the world. If you are not sure what you need or who to talk with, please contact us, one of our sales staff will be happy to review your request and get back to you with our recommendations. Please describe your requirements, time frame and any other stipulations your project may require. We will do everything we can to help you solve your application needs.

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