In 1958, Harris Laboratories began providing soil-testing services to the agricultural industry. Built on a reputation for employing skilled associates educated in cutting-edge technology, the business grew to become the largest independent soil-testing laboratory in the nation. In addition, Harris was the first laboratory of its kind to become accredited by the American Association of Laboratory Accreditation.

In 1996, Toronto- based MDS Inc. acquired Harris Laboratories.

In 2006,AgSource acquired Harris Laboratories. AgSource, headquartered in Verona, Wis., is a subsidiary of Cooperative Resources International and a member-owned cooperative that provides agricultural testing and management information services to more than 7,000 members, with seven locations throughout the upper Midwest and Idaho. Agricultural testing services offered by AgSource include milk quality, soil fertility, forage nutrient, water, wastewater, food pathogen and various microbiological testing.

Our ongoing investment in technology provides you with access to state-of-the-art facilities and instrumentation located in Lincoln, Nebraska; serving all 50 states and more than 38 countries worldwide. We continue to offer a wide range of services dedicated to the turf industry, all backed by years of experience and a dedication to quality.