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 Systems (www.corobor.com) of Vincennes, France, is a subsidiary of Campbell Scientific, Inc., and Campbell Scientific Ltd. COROBOR integrates measurement and data processing, specializing in solutions for meteorological, aviation, military, and weather forecasting applications. COROBOR was founded in 1992. 

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.

METER Group, Inc. (www.metergroup.com) is owned in part by Campbell Scientific, Inc., and is located in Pullman, Washington. METER supplies products to the food processing industry, where they set the standard for water activity measurement in quality control applications. METER also supplies a variety of products for use in agriculture and soils. METER Group, Inc. was formed in 2016 from the merger of Decagon Devices, Inc. and UMS. Decagon was organized in 1983.

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