Korea First Gage

Sensors operates as a manufacturing company offering control and measurement products for vehicle emissions and gas analysis. Its products include gasmitter, inert gas measurements, hydrocarbon measurements, and opacity measurement devices. It was founded in 1969 and is based in Saline, Michigan.

New Cosmos Electric (Tokyo: 6824.T) manufactures and markets consumer and industrial gas detection equipment and gas sensors. The company offers portable industrial fixed gas detectors, odor sensors, air quality detectors, gas monitors, gas sensors, and more for monitoring air quality and odor. It was founded in 1960 and is based in Tokyo, Japan.

Control Instruments is a machinery manufacturing company. It manufactures industrial monitoring systems. It offers a range of gas detection systems for lower flammable limits and total hydrocarbon monitoring. Its products include continuous process analyzers, BTU analyzers, flammable gas monitors, and oxygen monitors. It was founded in 1969 and is based in Fairfield, New Jersey.

eLichens offers comprehensive air quality analysis and prediction products. It develops software solutions and miniaturized sensors to digitalize air quality. The company produces air quality monitors, outdoor air quality stations, and more. The company was founded in 2014 and is based in Grenoble, France.

Quad City Testing Laboratory, Inc. (QCTL) and Quad City Calibration, Inc. (QCC) both provide inspection services. QCTL provides a broad range of nondestructive testing, mechanical integrity program services, crane inspection and training services to such industries as aerospace, nuclear power generation, and agriculture. QCC is a registered industrial gage calibration organization providing services for all types of dimensional and electronic measurement equipment.

Spectrum Technologies is a NIST traceable, calibration organization providing commercial instrument calibration and test equipment repair services for a wide variety of measurement and test equipment. The Company provides quality instrument calibration and test equipment services to manufacturing, research & development, service, testing, engineering, aviation, as well as medical and healthcare companies nationwide.