ESC Spectrum Suppliers

ESC Spectrum partners with key Continuous Emissions Monitoring (CEM) and process control suppliers to ensure our customers have access to the right equipment for their facility’s application. We have decades of expertise using CEMS and process control instrumentation from our suppliers to create custom-built new systems, as well as repair, upgrade and maintain current systems. Our close relationships mean your plant gets the equipment it needs as soon as possible and at the right price.


Airgas®, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; and one of the largest U.S. suppliers of safety products.

California Analytical Instruments Supplier

California Analytical Instruments (CAI)

For more than 40 years, California Analytical Instruments (CAI) has produced the highest-quality gas analyzers and emission-monitoring systems for industrial, environmental, and process control applications.

CODEL Supplier


CODEL provides a range of instrumentation, from analyzers to gas, dust, and flow monitors to fully automated and integrated emissions monitoring systems. Product lines include EnergyTech, Smartcem and TunnelTech.

Durag Group Supplier


DURAG provides solutions for process and environmental monitoring, combustion and safety monitoring, as well as tunnel and traffic monitoring. They lead the industry with reliable, safe, and efficient technology.

M&C Tech Group Supplier

M&C TechGroup

M&C TechGroup is a leading provider of high-quality gas sampling, gas conditioning, and process control solutions, with long-standing expertise in the engineering and construction of gas analyzing systems.

Teledyne Technologies

Teledyne API and Monitor Labs, as part of Teledyne Technologies Incorporated, provide enabling technologies for industrial growth markets that require advanced technology and high reliability.

Thermo Fisher Supplier

Thermo Fisher Scientific

Thermo Fisher is a leader in analytical instrumentation for environmental and process control monitoring. Their solutions include Gas Analyzers, Mass Spectrometry, Chromatography, and more.

Thermon Supplier logo


A world leader in industrial process heating, Thermon provides high-quality solutions for environmental monitoring, complete flow assurance, industrial heating, temperature maintenance, and freeze protection.

Process Insights

Process Insights products and solutions are at work all over the world. They focus on innovative and differentiated solutions and technologies that add high value to their end-users’ applications and processes.

Other Suppliers

We work with many great suppliers. Some of our additional suppliers include ABB, Altex/AIR, APEX Instruments, Galvanic Applied Sciences, Gasmet, Honeywell, MTL Instruments by Eaton, Novatech Controls, O’Brien, RKI Instruments, Sensidyne, Servomex, SICK, Tekran, Testo, Universal Analyzers, and more. 

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Product Manuals

Visit the Product Manuals directory to learn more about the Continuous Emissions Monitoring (CEM) and process control equipment that ESC Spectrum and its suppliers provide.

Product Data Sheets

Visit the Product Data Sheets directory to learn about the features, benefits and specifications of the Continuous Emissions Monitoring (CEM) and process control equipment that ESC Spectrum and its suppliers provide.

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Upcoming Events at ESC Spectrum

From The Source Blog

New Release: QAInsight™ Version 1.3 Now Available

QAInsight helps industrial companies solve challenges with scheduling, planning, and tracking a myriad of activities related to performing Quality Assurance tests required by state and federal agencies. Enhancements in Version 1.3 offer new features to improve overall user experience.

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The Importance of CEMS Probe Maintenance

The continuous emissions monitoring probe is the initial contact with the sample being drawn for monitoring. Preventative maintenance can help keep your probe functioning and provide you with years of reliable data and service. Our Field Service Technicians recommend inspecting probes annually to ensure they operate properly.

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