A&L Canada Laboratories, Inc. A&L Great Lakes Laboratory Activation Laboratories Ltd. Ag Analytical Services Lab Ag Test LLC AGAT Laboratories - Calgary AGAT Laboratories - Dartmouth AGAT Laboratories - Mississauga AGQ Labs & Tech Mexico Agri-King, Inc. Agri-Labs, Inc. A Deveron Company AgSource - Bonduel AgSource - Ellsworth AgSource - Harris AgSource Laboratories - Stratford AGVISE Laboratories - Benson AGVISE Laboratories - Northwood American Agricultural Lab - Olsen's Agricultural Lab Analytical Laboratories ATP Nutrition - NutriScan Auburn University Soil Testing Laboratory Brigham Young University – Environmental Analytical Lab British Columbia Environmental Laboratory Brookside Laboratories, Inc. Bureau Veritas Laboratories Calmar Soil Testing Laboratory Central Florida Soil Lab ChrysaLabs Clarion Cquester Analytics Cumberland Valley Analytical Services CVAS Custom Laboratory, Inc. Dairy One Soil Testing Laboratory Dairyland Laboratories - Arcadia Dellavalle Laboratory Inc. Denele Agrilink Laboratories Element Edmonton - Roper Road Element Fort St. John Element Vancouver Energy Laboratories-Billings Energy Laboratories-Helena EnviroAg Laboratories Eurofins EnvironeX Eurofins Environment Testing Canada Inc. Exact Scientific Services, Inc. Farmers Edge US Fatima Fertilizer Company, LTD FERTILAB (Fertilidad de Suelos S. de R.L.) Frontier Laboratories, Inc. Frontier Labs - New Ulm GeoSoil Laboratory GISENA Labs - Grupo Integral de Servicios Fitosanitarios ENA S.A de C.V Great Lakes Forestry Centre Honeyland Ag Services Horizon Laboratories, LTD IFDC Ingrams Soil Testing Inter Ag Services Laboratory International Ag Labs, Inc. Kansas State University Soil Testing Laboratory KSI Laboratories Laboratorio Agricola Diagnosis Laboratorio de Calidad Alcodesa Laboratorio Insignia YPF Laboratorios Labfrusco S.A. de C.V. Levy Technical Laboratories Logan Labs, LLC LSU AgCenter Soil Testing & Plant Analysis Laboratory Matrix Sciences International dba KTL Midwest Laboratories Miraterra Soil MN Valley Testing Laboratories, Inc. - New Ulm NCDA&CS Agronomic Division Next Level Ag Labs LLC NIIP - Agricultural Testing & Research Lab NL Department of Fisheries, Forestry, and Agriculture North Coast Testing Laboratories Northwest Agricultural Consultants NRM Laboratories NS Dept of Agriculture, Harlow Institute Ontario Ministry of Environment Laboratory Services OSU Soil Health Lab OSU Soil Water and Environmental Lab Pattern Ag PEI Analytical Laboratories Perry Agricultural Laboratory Perry Laboratory Pettiet Agricultural Services, Inc. Phytomonitor SA de CV Platte Valley Laboratories Precision Agri-Lab Pro-Ag Consulting, LLC Regen Ag Lab Regenerative Agriculture Demonstration Lab Rock River Laboratory Rutgers Soil Testing Laboratory ServiTech Laboratories - Amarillo ServiTech Laboratories - Dodge City ServiTech Laboratories - Hastings SFASU Soil Plant & Water Analysis Laboratory SGS Agri-Food Laboratories SGS Canada, Inc. Simply Soil Testing SoilTest Farm Consultants Soluciones Analiticas Southeastern Agricultural Lab, Inc. Spectrum Analytic Stratford Agri Analysis Stukenholtz Laboratory, Inc. Sunland Analytical Lab, Inc. Sure-Tech Laboratories Texas A&M AgriLife Extension Soil, Water & Forage Testing Laboratory Trace Genomics - Ames UC Davis Analytical Laboratory UMass Soil and Plant Nutrient Testing Lab United Soils, Inc. University of Delaware Soil Testing Program University of Idaho Analytical Sciences Laboratory University of Maine Analytical Lab University of Missouri Soil & Plant Testing Laboratory USU Analytical Lab UTIA - Soil, Plant, and Pest Center UW Soil and Forage Lab Valley Tech Agricultural Lab Virginia Tech Soil Testing Lab VPN Laboratory Ward Laboratories, Inc. Waters Agricultural Lab - Owensboro Waters Agricultural Laboratories - Vicksburg Waters Agricultural Laboratory - Camilla Waters Agricultural Laboratory - Warsaw Waypoint Analytical Carolina, Inc. Waypoint Analytical Florida, Inc. Waypoint Analytical Illinois, Inc. Waypoint Analytical Iowa, Inc. Waypoint Analytical Pennsylvania Waypoint Analytical Tennessee, LLC Waypoint Analytical Virginia, Inc. West Virginia Department of Agriculture West Virginia University Soil Testing Lab Western Ag Professional Agronomy - Idaho Western Ag Professional Agronomy - Saskatoon Western Laboratories Woods End Laboratories

-- AA AB AE AK AL AP AR AS AZ BC CA CO CT DC DE FL FM GA GU HI IA ID IL IN KS KY LA MA MB MD ME MH MI MN MO MP MS MT NB NC ND NE NH NJ NL NM NN NS NT NU NV NY OH OK ON OR PA PE PR PW QC RI SC SD SK TN TX UT VA VI VT WA WI WV WY YU ZZ