When your equipment is down due to an emergency or long lead times and you need custom heaters in a hurry, why wait? Southwest Heater & Controls offers rapid shipment on custom heaters and sensors that usually require 3-4 weeks lead time for delivery.










Watlow Electric Manufacturing Company ©

Watlow has been solving demanding heater applications for more than 75 years. Their experience and innovation have made them an industry leader.

Watlow is a one source supplier. They can provide a complete thermal system that includes heaters; sensors; temperature, power and process controls; and control software for industrial applications.



Tempco Electric Heater Corp.©

Tempco provides innovative engineering solutions in the application, design, and manufacturing of industrial heating elements, controls, sensors and turnkey process heating systems.


Tempco manufactures quality band heaters, cartridge heaters, strip heaters, cast in heaters, tubular and process heaters, radiant process heaters, coil and cable heaters, and surface heaters

Marathon Heater, LLC.©

Marathon is a custom manufacturer of swaged cartridge heaters and thermocouples for OEM's and distributors.

Marathon offers mica bands, nozzle heaters, mica strip heaters, temperature controls, air heaters and coil heaters.


Ogden Manufacturing©

Ogden offers one of industry's most complete lines of process electric heat and control products. Ogden products are in use in many thousands of industrial, laboratory and commercial applications.


From meat smokers to kidney dialysis machines, from packaging equipment to chromatography instruments, and from the depths of the Alaskan gold mines to the orbit of the space shuttle, Ogden products are specified wherever reliability and value are required.



Chromalox supplies industrial heaters, controls, panels, sensors, heat tracing products, and packaged systems to the alternative fuels processing, bio-pharmaceutical, commercial food, medical, transportation, power generation, wastewater treatment, and petrochemical industries.


With the one of the broadest product lines in the industry, Chromalox provides heat and control systems for more processes than anyone in the world.


Industrial Heater Corp©

Industrial Heater manufactures a wide variety of heaters for industrial processing, including band heaters, cartridge heaters, immersion heaters, tubular heaters, strip and plate heaters, ovens and furnaces, and radiant heaters.

Omega Heater Company©

Manufacturers of quality heaters. Omega has pioneered new developments in heater technology and provided total heating solutions since 1970.


Omega Heater manufactures mica bands and strip heaters, ceramic bands and strip heaters, nozzle heaters, finned strip heaters, and cartridge heaters.


Thermetic Products, Inc.©

Thermetic Products focuses on the precision heating requirements for the runnerless molding industy. The company’s experience allows them to meet the needs of the industry while creating top quality, great service and short leadtimes - all at a competitive price!


Custom applications are no problem. Many new designs can be produced in just a few weeks.

Heat and Sensor Technology©

Heat and Sensor Technology, in Ohio. a manufacture of electric heaters: thin band heaters, mica band heaters, cartridge, ceramic band heaters, ceramic strip heaters, channel strip heaters, custom heaters, mica strip heaters, tubular, formed tubular heaters.




Hotset, an electric heater innovation leader for more than 25 years, manufactures coil heaters, mini coil heaters, flexible tubular heaters and cartridge heaters worldwide.


The company has a passion for the pursuit of excellence in heater performance, durability and innovation and has created a culture focused on the customer.

Glenn Electric©

Glenn Electric Heater Corporation has been in the electric heater industry for more than 30 years.


The company manufactures a complete line of electric heating equipment for industrial and commercial applications utilizing the basic metal sheathed tubular heater, cartridge heater, and mica insulated heater.


Process Technology©

Process Technology has been the leading manufacturer of electric immersion heaters, heating and cooling coils, controls, instantaneous heaters, liquid level controls, over temperature protection systems and accessories for more than 20 years.


The Process Technology product line is among the most comprehensive and diverse available, with both standard and custom configurations to suit your specific application.


East Coast Sensors Inc.©

ECS manufactures plastic thermocouples, mineral insulated thermocouples, melt-bolt thermocouples and RTD's, as well as accessory items such as hardware fittings, connectors and thermocouple wire.



Gefran of Brescia, Italy acquiread Industrial Sensor Inc, (ISI) to offer more industrial controls.


With more than 25 years of on-site experience, ISI has been a pioneer in extrusion melt pressure instrumentation and a leading supplier of innovative, high quality products and support services designed specifically and exclusively for melt pressure applications.


Gefran is known worldwide for its extensive product line including, melt pressure and general purpose sensors, instrumentation, linear position transducers, automation systems for the plastics industry, and semiconductor micro-sensors.


Love Controls©

Love Controls produces a broad range of instruments and sensors for temperature and process control.


Instruments range from the simplest of single board controls to sophisticated microprocessor based products capable of computer communication. Temperature sensors include thermocouple, RTD, and thermistor assemblies and accessories.


All products are designed and manufactured to the highest standards of quality and reliability. They are backed by a solid warranty and years of practical field experience.


Slide Products, Inc.©

Slide makes mold releases, rust preventatives, cleaners, purging compounds, lubricants, cutting oils, products for general industry and maintenance and a variety of accessories.


All products are CFC-free and free of methylene chloride and formulated to make you more productive


MDI, Inc.©

Mercury Displacement Industries manufactures liquid level controls in wide and narrow angle mechanical or mercury type floats. a wide variety of high temperature floats, vertical floats, and cord sets available. They also manufacture mercury contactors, relays, tilt switches, solid state relays and timers.


Lapp USA©

Lapp USA (formerly Contact Electronics) carries a complete line of interconnection products, including EPIC rectangular and circular connectors, solenoid valve connectors, and accessories such as cable glands, reducers, and converter products.


These resources help engineers solve some of the most difficult application problems. With UL, CSA, & VDE recognition Lapp USA products are widely distributed in the automotive, plastics, machine tool, robotics, computer, communications and instrument control systems markets.


International Temperature Control (ITC), Inc.©

ITC is a leading supplier of hot runner temperature control systems for the injection molding industry.


ITC designs and manufactures high quality, accurate and reliable digital and analog temperature control modules for various process industries ranging from plastics, automotive, medical, packaging, food and pharmaceuticals.


In addition to standard products, they also provide custom built systems to satisfy special requirements. ITC has the ability to design and manufacture complete systems, control modules and wiring harnesses for your custom application.



Raytek supplies sensors for noncontact infrared temperature measurement, as well as thermometers, calibration instruments and accessories for metal, plastic, and glass processing and for the packaging and building materials industries.


Extech Instruments©

Founded in 1971, Extech is a major manufacturer of innovative products offering handheld test and measurement instruments and portable receipt printers. Product lines include multi-meters, clamp-ons, power meters, power supplies, resistance testers, thermometers, humidity meters, airflow meters, light meters, sound meters, calibrators, panel meters and controllers, tachometers, and laboratory instruments.


Many of these instruments have data-logging capability.


Automatic Timing & Controls©

For more than 80 years, machine design and process engineers have turned to ATC first for reliable, accurate timing and control products. ATC designs and manufacturs products in the U.S.


atc has been designing and building timers, time delay relays, and counters for eight decades. Their product line has expanded to include 1/16 DIN world class timers, solid state cube and plug-in timers, photoelectric laser sensors, time delay relays, and LVDTs.


The ATC line of timers includes Panel mounted timers, time delay relays (TDRs), 1/16 DIN timers, electromechanical cam timers and step programmers


Autonics USA©

Established in 1977, Autonics has a world class reputation for its ability to manufacture diversified controllers and sensors for factory automation. By developing and providing high-performance products with revolutionary functionality, Autonics takes a leading role in the factory automation field with high technology and best service.


Amptek Company©

Amptek designs and manufactures high temperature, flexible, electric heating elements, heating tapes, laboratory heating tapes, heating jackets, heating blankets, insulated resistance wire and accessories. amptek heaters are used in OEM, industrial, laboratory and petro-chemical applications to 1400° F.


Filtroil North America, Inc.©

Filtroil manufactures and markets industrial bypass filtration systems and filters. The company was founded in 1982 and provides original equipment manufacturers and end-users of industrial machinery with a variety of products used to enhance oil quality.


The state-of-the-art technology of Filtroil products meets and exceeds all industrial standards for oil purification.


Insul-Vest, Inc.©

Insul-Vest, Inc. is the leading manufacturer of high temperature insulation blankets for the plastics industry.

Using Hi-Temp materials, the first highly effective insulation blankets were manufactured for safety purposes in 1979, when they were found to provide significant energy savings.

Insul-Vest is the leading producer of quality thermal insulation products that have gained wide acceptance both internationally and everywhere within the United States.

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