Tantaline supplies Alloy brand corrosion resistant thermowells, and integrates the thermowell's with its' tantulum vapor technology. The thermowells are used for valves, fittings, instrumentation and custom products in hot acid environments.

Alloy manufactures and engineers a variety of thermowells including: standard threaded thermowells for 1/4"; heavy-duty threaded thermowells for 1/4"; standard threaded thermowells for 3/8"; heavy-duty threaded thermowells for 3/8"; socket-weld, design thermowells for 1/4" and 3/8"; heavy-duty, socket-weld design thermowells for 1/4" and 3/8"; flanged thermowells for 1/4" and 3/8"; tapered flanged thermowells for 1/4" and 3/8"; limited space thermowells for 1/4" and general purpose test for 3/8"; standard threaded for industrial glass thermowells; van stone thermowells 1/4" and 3/8"; 1-1/2" diameter weld-in thermowells; sanitary type thermowells; tantalum jackets and teflong thermowells. The company also manurfactures Navy thermowells and metric thermowells.

C-Temp manufactures standard threaded thermowells, for 1/4" and 3/8" diameter elements and glass thermometers; heavy-duty threaded thermowells, for 1/4" and 3/8" diameter elements; limited space thermowells, for 1/4" diameter elements; general purpose test thermowells, for 3/8" diameter elements; socket-weld thermowells, for 1/4" and 3/8" diameter elements; bar stock, weld-in thermowells; flanged thermowells, for 1/4" and 3/8" diameter elements; and van stone thermowells, for 1/4" and 3/8" diameter elements.

Pyromation manufactures thermowells that are available as seperate components or as part of a complete temperature sensor assembly. The company produces a variety of thermowell types including: threaded, van stone, socket-weld, weld-in, flanged, connected and limited space.

Sivco Inc. is a high metal fabrication company that manufactures high temperature, erosion-resistant; removable and weld-in thermowells designed specifically for ethylene pyrolsis furnaces. Each thermowell can be easily removed, and requires no cutting of welds or any reweld for installation.