Apogee (www.apogeeinstruments.com) of Logan, Utah, is a manufacturer of sensors for the biological sciences. Campbell Scientific purchased a shareholding in 2005 to complement a cooperative relationship. Apogee was organized in 1996.

Corobor (www.corobor.com) appartient au groupe Campbell Scientific Limited. Corobor est basée à Paris et fournit des solutions IT Météorologiques. Les solutions Corobor sont basées sur la famille de produits logiciels MESSIR et MESSIRNEO, qui peuvent être intégrés dans un système économique, fiable et robuste.

Decagon (www.decagon.com) is owned in part by Campbell Scientific, Inc., and is located in Pullman, Washington. Decagon supplies products to the food processing industry, where they set the standard for water activity measurement in quality control applications. Decagon also supplies a variety of products for use in agriculture and soils. Decagon was organized in 1983.

Freeform Polymers (www.freeformpolymers.com) is owned by Campbell Scientific and is located in Logan, Utah. Since its organization in 2011, Freeform Polymers has provided high-quality and complex plastic parts and services for industrial, scientific, and commercial applications. 

Irrisoft, (www.irrisoft.net) a subsidiary of Campbell Scientific, Inc., and located in Logan, Utah, focuses on automated weather-based control products for optimizing water use in landscape irrigation. Irrisoft was organized in 2000.

Juniper Systems (www.junipersys.com) is a subsidiary of Campbell Scientific, Inc. Located in Logan, Utah, Juniper is focused on rugged, hand-held field computers. The HarvestMaster Division of Juniper Systems also supplies plot-harvesting-yield monitor systems. Juniper Systems was organized in 1993.

RM Young have more than 40 years experience producing precision meteorological instruments including wind sensors, indicators/translators, temperature and humidity sensors, precipitation and pressure sensors.

The following companies or product lines have been acquired by Campbell Scientific, Inc.: D&A Instrument Company and SIRCO Samplers.