Gas Detection Products Manufacturer



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Fixed Gas Detectors

GG-NH3 Ammonia Sensor


MVE Gas Detection Controller


Horn Strobe 24vdc

Portable Gas Detectors

BW Solo

Gas Detection Specialists

Calibration Technologies, Inc (CTI) is a leading manufacturer of gas detection systems and equipment for industrial facilities. We’re a gas detector manufacturer that prioritizes quality, accuracy, reliability, and customer satisfaction.

At CTI, we make our gas detection systems in Columbia, Missouri, and most of our products can be shipped same day to locations around the world.


Calibration Technologies, Inc.

Protecting People. Protecting Property.

Customer Service Always Wins

Our Sensors Thrive Where Others Fail

Built to Prevent
 False Alarms

Expert Knowledge of Codes and Standards

Quality Products. 
Comprehensive Solutions.

CTI products are designed to keep your facility safe, efficient, and compliant. Learn more about how CTI designs its detection systems.

How it works


Professional Maintenance.

We provide timely and routine service and maintenance 
on all CTI products.

Field Service

Let our technicians do the work for you. A trained CTI technician will travel to your plant to service your gas detection equipment.

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In-House Service

Send in your gas detection equipment and CTI’s technicians will perform in-house sensor calibrations, repair, and replacement.

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Get Started

Learn more about which products will work best for your facility.

Who We Serve

Food Processing Gas Detection

Food & Processing

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Cold Storage Gas Detection

Cold Storage

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Bottling Industry Gas Detection


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Fishing Vessel Gas Detection

Fishing Vessels

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Ice Rink Gas Detection

Ice Rinks

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Vehicle Depot CTI Gas Detection

Vehicle Depots

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Trusted Across the Globe