RESOURCES · LABORATORY DIRECTORY
A practical directory, listed alphabetically. Selection reflects agricultural testing relevance and regional coverage; it is not a quality ranking.
United States · 40
Netherlands · 10
Germany · 10
Belgium · 10
Spain · 10
Mexico · 10
South Africa · 10
Australia · 10
New Zealand · 10
United States
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United States
A&L Great Lakes Laboratories
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United States
AgSource Laboratories
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United States
AGVISE Laboratories
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United States
American Agricultural Laboratory
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United States
Auburn University Soil Testing Laboratory
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United States
Brookside Laboratories
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United States
Colorado State University Soil, Water and Plant Testing Laboratory
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United States
Cornell Soil Health Laboratory
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United States
Cumberland Valley Analytical Services
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United States
Dairy One
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United States
Dairyland Laboratories
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United States
Dellavalle Laboratory
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United States
Kansas State University Soil Testing Laboratory
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United States
Kuo Testing Laboratories
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United States
Logan Labs
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United States
LSU AgCenter Soil Testing and Plant Analysis Laboratory
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United States
Midwest Laboratories
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United States
NEW AGE Laboratories
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United States
Northwest Agricultural Consultants
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United States
Penn State Agricultural Analytical Services Laboratory
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United States
Regen Ag Lab
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United States
Rock River Laboratory
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United States
ServiTech Laboratories
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United States
SoilTest Farm Consultants
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United States
Spectrum Analytic
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United States
Stukenholtz Laboratory
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United States
Texas A&M Soil, Water and Forage Testing Laboratory
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United States
UC Davis Analytical Laboratory
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United States
UMass Soil and Plant Nutrient Testing Laboratory
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United States
United Soils
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United States
University of Florida IFAS Analytical Services Laboratories
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United States
University of Georgia Agricultural and Environmental Services Laboratories
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United States
University of Idaho Analytical Sciences Laboratory
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United States
University of Maine Analytical Lab and Maine Soil Testing Service
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United States
University of Missouri Soil and Plant Testing Laboratory
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United States
Virginia Tech Soil Testing Laboratory
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United States
Ward Laboratories
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United States
Waters Agricultural Laboratories
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United States
Waypoint Analytical
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United States
Western Laboratories
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Selection references include NAPT, REQUASUD, the Spanish Society of Soil Science, AgriLASA, ASPAC and laboratory websites. Research reviewed 21 October 2026.