Pathways Thermal Technology (PTT) begain as a California business corporation in 1983. We have since relocated to beautiful North Idaho in 2005 and are now incorporated in that state.

Pathways Thermal Technology has been solving industries high temperature processing problems for over twenty years. With expertise in hi-vacuum furnace systems, controls and temperature measurement. PTT offers a wide variety of high temperature heat processing equipment and temperature sensing devices, which include thermocouples, control systems, fabricated vacuum internals, vacuum furnaces, and atmosphere furnaces.

Our specialization is working with high temperature alloys; Moly, Tantalum, and Tungsten. Pathways keeps a commercial inventory of these materials for direct sale to raw material consumers.


Over 40 years of combined engineering experience includes refractory metals, nickel alloys and high vacuum components. Our engineering degreed personnel hold registration in Mechanical and Electrical engineering in the state of California.


Pathways products are sold through an in-house sales staff.

Moly and Furnaces: Ronald L. Ross

Thermocouples: Ronald L. Ross


President: Ronald L. Ross P.E.

Engineering: Ronald L. Ross

Field Service: Charlie Price

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