Omega offers a variety of thermocouples and accessories. Product line includes magnetic thermocouples thermocouple probes with attached connectors, thermocouple configurator, PFA coated thermocouples, high temperature thermocouples, exotic thermocouples, transition joint probes, special purpose thermocouple probes, VIP and hypodermic probes, non-contact infrared thermocouples, handheld thermocouples, surface probes, surface thermocouples, utility handle thermocouple probes, and industrial thermocouples. Flexible wire style thermocouples include fine gage, high temperature, ready made, coated and bare, economical multi-pack, and special insulated thermocouples. For surface mount applications, adhesive backed, cement and bolt-on assembly style thermocouples are offered. Line of protection tubes and insulators include high temperature ceramic tubes, beads, sleeving, metal tubes, and insulators for sensor protection.

Watlow provides offers thermocouples with grounded or ungrounded exposed junctions, or customized manufacturing. Thermocouples feature a temperature range from -200 to 2200°C (-328 to 4000°F). Fiberglass insulated thermocouples offer a temperature range up to 480°C (900°F).

Pyromation Inc. provides thermocouples for applications including food/dairy/pharmaceutical, sensors with connection heads, MgO (Magnesium Oxide), industrial, plastic, explosion proof, special purpose and general purpose types. They also provide thermocouple assemblies for applications with connection heads, protection tubes, thermowells and transmitters as well as hazardous operations.

Madison Company offers thermocouple probes in types such as J, T, and K and in various configurations. Configurations include bare wire, epoxy-insulated, mini plug termination, general purpose, reduced tip, sheathed with MgO insulation, industrial thermocouples with 1/2" NPT.

MTI Industrial Sensors offers general purpose thermocouples (MgO) available in sheath sizes .010 to .500 in all types of materials such as 304, 316, 310, 446, Inconel 600, platinum, copper and titanium. MTI offers single, dual, triplex and multipoint designs and a variety of sheath terminations such as, aluminum, cast iron, stainless steel or explosion proof heads. Optional features include protective coatings and sprays.