Official Listing of USDA Approved

Accredited Seed Entities

Page 1 of 6 

Revised March 20, 2024 

Company Name Report 

Reference No. Accreditation Scope Accreditation Valid Through

AgReliant Genetics, LLC

54542 840th Road

Battle Creek, NE 68715

Contact: Heather Spray

Phone: (618) 445-7312

Email: Heather.Spray@AgReliantGenetics.com

PV1321TEA ASCP

Refuge in a Bag (RIB) November 17, 2024

AgReliant Genetics, LLC

418 N. Jefferson St.

P.O. Box 139

Brimfield, IL 61517

Contact: Heather Spray 

Phone: (618) 445-7312

Email: Heather.Spray@AgReliantGenetics.com

PV2062TEA

ASL

Cereals and Other Crops; Grasses; 

Legumes March 3, 2025 

AgReliant Genetics, LLC

22827 Shissler Road

Elmwood, IL 61529

Contact: Heather Spray

Phone: (618) 445-7312

Email: Heather.Spray@AgReliantGenetics.com

PV2292ESA ASCP

Refuge in a Bag (RIB) March 19, 2027 

AgReliant Genetics, LLC

1206 East Avenue

Ogden, IA 50212

Contact: Heather Spray

Phone: (618) 445-7312

Email: Heather.Spray@AgReliantGenetics.com

PV3038ESA ASCP

Refuge in a Bag (RIB) February 7, 2026 
Official Listing of USDA Approved

Accredited Seed Entities

Page 2 of 6 

Revised March 20, 2024 

Company Name Report 

Reference No. Accreditation Scope Accreditation Valid Through

AgReliant Genetics, LLC

63585 Highway 10

Wadena, MN 56482

Contact: Heather Spray

Phone: (618) 445-7312

Email: Heather.Spray@AgReliantGenetics.com

PV1320TEA ASCP

Refuge in a Bag (RIB) November 16, 2024

Bayer Crop Science 

460 E. Adams

Waterman, IL 60556

Contact: Bradley Johnson; Jackie Robleto

Phone: (815) 264-8140

Email: Bradley.Johnson@bayer.com

Jacklyn.Robleto@bayer.com

PV2013ESA

ASL

Cereals and Other Crops; Legumes; 

Vegetables, Flowers, and Herbs

ASSP

January 13, 2025

Colorado State University Seed Laboratory

ARDEC – 4616 NE Frontage Road

Fort Collins, CO 80524

Contact: Laura Pottorff

Phone: (970) 732-1627

Email: laura.pottorff@colostate.edu

PV3311ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; Vegetables, Flowers, and 

Herbs 

March 5, 2027 

Corteva Agriscience LLC

1000 West Jefferson Street

Tipton, IN 46072

Contact: Laura Wood; Connie Ripberger

Phone: (765) 675-2101

Email: laura.wood@corteva.com; 

connie.ripberger@corteva.com

PV2048TEA

ASL

Cereals and Other Crops; Legumes

ASSP

June 1, 2025 
Official Listing of USDA Approved

Accredited Seed Entities

Page 3 of 6 

Revised March 20, 2024 

Company Name Report 

Reference No. Accreditation Scope Accreditation Valid Through

Corteva Agriscience LLC

7150 NW 70th Avenue

P.O. Box 227

Johnston, IA 50131-0256

Contact: Li Kang, Seed Quality Testing Lab Manager 

Phone: (515) 805-6870

Email: li.kang@corteva.com

PV2144TEA

ASL

Cereals and Other Crops; Legumes

ASSP

May 24, 2025 

Crookham Company

301 West Warehouse St. 

Caldwell, ID 83605

Contact: Marija Topic 

Phone: 208-501-3023

Email: marijat@crookham.com

PV3348TEA

ASL

Cereals and Other Crops; Vegetables, 

Flowers, and Herbs

ASSP

December 29, 2026

Eurofins BioDiagnostics, Inc.

507 Highland Drive

River Falls, WI 54022

Contact: Erin Murphy-Untz

Phone: (715) 426-0246

Email: ErinMurphy-Untz@eurofinsUS.com 

PV2131ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; Vegetables, Flowers, and 

Herbs

May 11, 2025

Idaho State Seed Laboratory 

2240 Kellogg Lane

Boise, ID 83712

Contact: Caroline Melle

Phone: (208) 332-8568

Email: caroline.melle@isda.idaho.gov

PV3061ESA

ASL

Cereals and Other Crops; Grasses;

Legumes; Vegetables, Flowers, and 

Herbs

March 1, 2026
Official Listing of USDA Approved

Accredited Seed Entities

Page 4 of 6 

Revised March 20, 2024 

Company Name Report 

Reference No. Accreditation Scope Accreditation Valid Through

Indiana Crop Improvement Association

7700 Stockwell Road

Lafayette, IN 47909

Contact: Laura Donaldson

Phone: (765) 523-2535

Email: donaldson@indianacrop.org

PV3081TEA ASL

Cereals and Other Crops; Grasses; 

Legumes

March 27, 2026

Iowa State University Seed Laboratory

2115 Osborn Drive

Ames, IA 50011

Contact: Mike Stahr

Phone: (515) 294-0117

Email: mgstahr@iastate.edu

PV3082ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; and Vegetables, Flowers, and 

Herbs

March 23, 2026

Michigan Crop Improvement Association

2901 Jolly Road

Okemos, MI 48864

Contact: Chris Tiedje

Phone: (517) 322-3546

Email: tiedjec@michcrop.com

PV3138ESA

ASL

Cereals and Other Crops; Grasses;

Legumes; Vegetables, Flowers, and 

Herbs

May 18, 2026

Minnesota Crop Improvement Association 

1900 Hendon Ave.

St. Paul, MN 55108

Contact: Fawad Shah

Phone: 612-625-7766

Email: fawad.shah@mncia.org

PV2116ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; Vegetables, Flowers, and 

Herbs; Trees and Shrubs 

July 1, 2025
Official Listing of USDA Approved

Accredited Seed Entities

Page 5 of 6 

Revised March 20, 2024 

Company Name Report 

Reference No. Accreditation Scope Accreditation Valid Through

Montana State University Seed Laboratory 

Marsh Lab Room 440

1911 West Lincoln Street

Bozeman, MT 59718

Contact: Bridget Westfall

Phone: (406) 994-2141

Email: westfall@montana.edu

PV3297ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; Vegetables, Flowers, and 

Herbs

March 5, 2027

Pioneer Hi-Bred Production Company 

7398 Queens Line

Chatham, Ontario, Canada N7M-5L1

Contact: Li Kang, Suzette Devolder

Phone: (519) 352-9496 

Email: li.kang@corteva.com; suzie.devolder@corteva.com, 

PV3208ESA

ASL

Cereals and Other Crops; Legumes; 

Grasses; Vegetables, Flowers, and 

Herbs

July 27, 2026

South Dakota State University Seed Testing Laboratory

Box 2100A

Brookings, SD 57007

Contact: Kathy Mathiason

Phone: 605-688-6636

Email: katherine.mathiason@sdsu.edu

PV2342ESA

ASL 

Grasses; Cereals and Other Crops; 

Legumes; Vegetables, Flowers, and 

Herbs

June 1, 2026

Turf Tech, Inc.

33789 Hwy 99 E

Tangent, OR 97389

Contact: Phani Bangalore, President

Phone: (541) 926-3959

Email: test1st@turftech.biz

PV2179ESA

ASL

Grasses; Cereals and Other Crops; 

Legumes; Vegetables, Flowers, and 

Herbs

June 28, 2025 
Official Listing of USDA Approved

Accredited Seed Entities

Page 6 of 6 

Revised March 20, 2024 

Company Name Report 

Reference No. Accreditation Scope Accreditation Valid Through

Washington State Department of Agriculture

21 N. 1st Avenue, Suite 203

Yakima, WA 98902

Contact: Paula Moore, Program Manager

Phone: (509) 249-6950

Email: PMoore@agr.wa.gov

PV2181ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; Vegetables, Flowers, and 

Herbs; Trees and Shrubs

June 30, 2025 

Wisconsin Crop Improvement Association

8520 University Green

Middleton WI, 53562

Contact: John Petty

Phone: (608) 262-0167

Email: jfpetty@wisc.edu

PV2130ESA

ASL

Cereals and Other Crops; Grasses; 

Legumes; Vegetables, Flowers, and 

Herbs

May 10, 2025