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Global Calibration Gases

Global Calibration Gases, LLC is a premier supplier of calibration gases and custom specialty gas mixtures. The industries we serve include chemicals and pharmaceuticals, petrochemicals, natural gas, petroleum refineries, medical diagnostics and research labs, and air quality monitoring. We specialize in multicomponent hydrocarbon mixtures, low ppm and ppb volatile organic compound mixtures, and a complete line of EPA Protocol gases and NIST-Traceable gas mixtures. Our products are your solutions.

Global Cal headquarters in Sarasota, FL

Worldwide Distributors of Custom Specialty Gas Mixtures

Our story began in 2009 as a trusted manufacturer and supplier of specialty gases serving independent distributors. Today, we’re a leading source of custom specialty gas mixtures worldwide, exporting our precision solutions to Mexico, Europe, the Caribbean, the Middle East, South America, the Pacific Rim and Latin America.

In addition to the industries mentioned above, we also serve agricultural, energy, power plant, water quality, semiconductor, aerospace and fiber optics customers.

EPA Protocol Gases

As a PGVP participant for more than 10 years, Global Calibration Gases is an authorized producer of a wide range of EPA Protocol gas mixtures. EPA mixes are made in accordance with “EPA Traceability Protocol for Gaseous Calibration Standards,” procedures G1/G2 and are traceable via analysis to NIST. These Gases are used for ambient and Continuous Emission Monitoring (CEM) Programs used in industries from Automobiles to Energy. All EPA Protocol gases will have analytical uncertainties < 2% relative.

A list of available EPA mixes can be found here.


Adherence to this international standard is maintained by routine management review, internal auditing and external audits by our accrediting body, PJLA. ISO/IEC 17025:2017 Accredited Gas Mixtures shine in use for the Calibration for Analytical Instrumentation.

Our scope of accreditation covers a wide range of components/ concentration ranges and can be found here.

GCG Portables

Global Calibration Gas offers a complete line of high precision portable gas used for the calibration and maintenance of gas detectors and sensors. Gas detector calibration verifies device accuracy prior to use in the field.

Our customers can find various calibration gases for their fixed or portable gas detection systems such as:

Ammonia (NH3)
Chlorine (CL2)
Hydrogen Chloride (HCL)
Hydrogen Sulfide (H2S)
Phosphine (PH3)
Sulfur Dioxide (SO2)
Carbon Monoxide (CO)
Isobutylene (C4H8)
Oxygen (O2)
LEL% Methane, Propane, Pentane
4-Component Mixtures (H2S)
Zero Air and Nitrogen
Pure Gases

*COA is included with the purchase of every Cylinder.

OSHA Standards and Regulations for Portable Gases

Find Your Nearest Location

Global Calibration Gases proudly serves our worldwide customers from multiple locations throughout the U.S. and our 10,000-plus-square-foot headquarters in Sarasota, Florida. We’ve strategically placed our facilities close to major transportation hubs to promote fast, cost-effective order fulfillment. Contact our expert team for additional location information.

Why Choose Global Calibration Gases?

Worldwide businesses partner with Global Calibration Gases for many reasons.

Industry Expertise

We’ve been helping global businesses meet their mixed and specialty mixed gas needs since 2009 and draw on decades of collective industry experience. Our expertise extends across numerous industries. We can identify, recommend, mix and supply gases to the tolerances and accuracies required by your industry and application and use the accepted industry scopes for accreditation.

We’re also committed to sharing our expertise to elevate the entire industry. We understand the knowledge and technical skill gaps that workforce turnover creates. To solve these issues, we invest in our independent distributors and other market professionals by providing training classes. We regularly offer courses at all levels, from executives to lab technicians and production staff.

Quality Assurance

Global Calibration Gases is home to an ISO 17025:2017-certified analytical laboratory that’s achieved accreditation for testing and calibration. We adhere to stringent quality guidelines and have a robust assurance program to assess our quality at each process step.

Exceptional Service

We take pride in creating memorable and enjoyable customer experiences that build lasting relationships. Our team is among the industry’s friendliest and most knowledgeable and offers personalized service with every interaction. Plus, we’re a proud part of the Meritus Gas Partners network, which allows you to access the resources of a larger organization while benefitting from local service and expertise.

a close up of a stainless steel surface with a brushed finish.

Contact Us for Mixed Gas Solutions

Global Calibration Gases supplies worldwide businesses with the precision gas mixtures their applications need. Our team maintains the industry expertise and regulatory credentials to meet exacting specifications, whether through commonly used mixtures or customized solutions.

Contact us online for more information or ordering advice.

Contact Global Calibration Gases