Data Current as of 5/10/2024
Field Service Affiliate Provider Code States Serviced Centering Month Last Audit Date Certification Expiration Date Status

AgSource Cooperative Services
Contact: Dave Smercina, Managing Director

2418 Crossroads Drive
Suite 3400
Madison, WI 53718
Phone: 800-236-4995
Email: dave.smercina@agsource.com
www.agsource.com

35 Wisconsin
Iowa
Michigan
Illinois
Colorado
Minnesota
North Dakota
Kansas
Nebraska
Ohio
Idaho
October 10/26/2023 12/31/2024 Certified

Arizona DHIA
Contact: Tom Blevins, Manager

145 South 79th Street
Unit 22
Chandler, AZ 85226
Phone: 480-894-0156
Toll Free: 888-894-1056
Email: tblevins@azdhia.com
www.azdhia.com

86 Arizona February 4/25/2024 4/30/2025 Certified

Capstone Dairy Data Services, LLC
Contact: Josh Wooley, Manager

5346 N. Prince Street
Clovis, NM 88101
Phone: 575-763-0039
Mobile: 806-869-5463
Email: jw@admlabs.com
www.admlabs.com

185 New Mexico
Texas
Kansas
Colorado
May 7/23/2023 7/31/2024 Conditional

Central Counties DHIA
Contact: Frank Azevedo, General Manager

241 Business Park Way
Atwater, CA 95301
Phone: 209-356-0355
Mobile: 209-326-4704
Email: fazevedo@ccdhia.com
www.ccdhia.org

493 California May 6/18/2023 7/31/2024 Certified

CentralStar Cooperative Inc. - DHI Services
Contact: Kevin Haase, DHI Manager - WI
Pam Thom, DHI Manager - MI/IN


USPS: PO Box 23157
Lansing, MI 48909

FedEx/UPS: 4200 Forest Road
Lansing, MI 48910
Phone: 920-419-1910
Email: kevin.haase@mycentralstarcom
www.mycentralstar.com

34 Michigan
Ohio
Indiana
Wisconsin
Missouri
June 7/18/2023 8/31/2024 Certified

Common Ground DHIA
Contact: Michael Bertrand, Manager

456 Weaver Road
Strasburg, PA 17579
Mobile: 717-808-9878
Email: mbertrand@cgdhia.com

223 Pennsylvania August 12/6/2023 4/30/2024 Provisional

Dairy One Cooperative Inc.
Contact: Carol Benway, Director of Field Services

730 Warren Rd
Ithaca, NY 14850
Phone: 607-257-1272
Mobile: 724-814-4689
Toll Free: 800-344-2697
Email: carol.benway@dairyone.com
www.dairyone.com

21
New York
New Jersey
New Hampshire
Pennsylvania
Rhode Island
Connecticut
Vermont
Delaware
Maryland
Virginia
Maine
Massachusetts
West Virginia
Ohio
Florida

September 11/3/2023 11/30/2024 Certified

DHI Cooperative Inc.
Contact: Brian Winters, General Manager

P.O. Box 28168
1224 Alton Darby Creek Road, Suite A
Columbus, OH 43228
Phone: 614-545-0460
Mobile: 614-560-9689
Toll Free: 800-DHI-OHIO
Email: brian.winters@dhicoop.com
www.dhicoop.com

31 Ohio
Pennsylvania
Michigan
Indiana
West Virginia
Georgia
Florida
Queretaro (Mexico)
Chihuahua (Mexico)
April 5/11/2023 6/30/2024 Certified

Eastern Wisconsin DHIC
Contact: Glenn Schmahl or Matt Gartman

718 West First Street
Waldo, WI 53093
Phone: 920-528-8942
Toll Free: 800-439-1317
Email: 1gschmahl@gmail.com
www.ewdhic.org

335 Wisconsin December 12/12/2023 2/28/2025 Certified

Fresno DHIA
Contact: Joe D'Alessandro, Manager

253 S. Sarah Avenue
Fresno, CA 93706
Phone: 559-233-7133
Email: fresnodairyherd@aol.com

693 California February 4/10/2024 4/30/2025 Certified

Heart of America DHIA
Contact: Dennis Drudik, General Manager

4535 Normal Blvd., Suite 275
Lincoln, NE 68506
Phone: 402-489-1060
Toll Free: 800-793-2511
Email: ddrudik@hoadhia.com
www.hoadhia.com

148 North Dakota
South Dakota
Nebraska
Kansas
Iowa
Arkansas
Colorado
Missouri
Oklahoma
November 1/3/2024 1/31/2025 Certified

Idaho DHIA
Contact: Susan Lee, Manager

195 River Vista Place
Suite 308
Twin Falls, ID 83301
Phone: 208-733-6372 ext 104
Mobile: 208-539-4104
Email: idahodhia@gmail.com
www.idahodhia.com

82 Idaho
Washington
Montana
Oregon
Colorado
Utah
July 10/12/2023 9/30/2024 Certified

Indiana State Dairy Association
Contact: Elizabeth Straw, Executive Secretary

270 S. Russell Street
Room 1088
West Lafayette, IN 47907-2041
Phone: 765-494-8025
Mobile: 315-292-2463
Toll Free: 800-973-5753
Email: efarrow@purdue.edu
http://www.ansc.purdue.edu/dairy/isda/

32 Indiana
Michigan
Wisconsin
June 6/7/2023 8/31/2024 Certified

Integrated Milk Testing Services LLC
Contact: Emilio Chavez, Jr., General Manager

1 Pioneer Drive
Dimmitt, TX 79027
Phone: 855-666-8378
Mobile: 979-220-0950
Toll Free: 855-666-8378
Email: emilio@agrilogics.net

374 Texas
New Mexico
Arizona
Kansas
Oklahoma
March 8/10/2023 5/31/2024 Provisional

Kings County DHIA
Contact: Rick Cortes, Manager

126 South 10th Avenue
Hanford, CA 93239
Phone: 559-582-2010
Email: kingsdhia@att.net

793 California February 4/11/2024 4/20/2025 Certified

Lancaster DHIA
Contact: Don DeHart, General Manager

1592 Old Line Rd
Manheim, PA 17545
Phone: 717-665-5960
Toll Free: 888-202-3442
Email: dond@lancasterdhia.com
www.lancasterdhia.com

123 Pennsylvania
New York
Maryland
New Jersey
Vermont
New Hampshire
Massachusetts
Connecticut
Rhode Island
Ohio
August 9/8/2023 10/31/2024 Certified

Minnesota DHIA
Contact: Bruce Dokkebakken, General Manager

PO Box 486
Buffalo, MN 55313
Phone: 763-682-1091
Toll Free: 800-827-3442
Email: bruced@mndhia.org
www.mndhia.org

41 Minnesota
Wisconsin
Iowa
South Dakota
North Dakota
Michigan
January 3/6/2023 3/31/2025 Certified

Rocky Mountain DHIA
Contact: Chris Tucker, General Manager

2300 North Main Suite B
P.O. Box 6592
North Logan, UT 84341
Phone: 435-374-0218
Mobile: 435-512-9123
Toll Free: 800-776-3442
Email: chris@rmdhia.org
www.rmdhia.org

87 Utah
Idaho
Montana
Nevada
Wyoming
July 10/13/2023 9/30/2024 Certified

Southern Counties DHIA

807 East Lerdo Hwy
Shafter, CA 93263
Phone: 661-746-2088
Email: scdhia2@gmail.com

893 California February 6/13/2023 8/31/2024 Provisional

Texas DHIA
Contact: Rocky Traweek, General Manager

2274 N. US Hwy 281
Stephenville, TX 76401
Phone: 254-967-0819
Mobile: 254-967-0819
Email: ricky@texasdhia.com
www.texasdhia.com

74 Texas
New Mexico
Oklahoma
March 3/21/2023 5/31/2024 Certified

Tulare DHIA
Contact: Dave Brown, General Manager

800 International Agri-Center Way
Tulare, CA 93274
Phone: 559-686-6173
Mobile: 559-686-6179
Email: dave@tularedhia.com
www.tularedhia.com

193 California
Nebraska
August 8/16/2022 10/31/2024 Certified

United Federation of DHIA's
Contact: Anita Quesenberry, General Manager

P.O. Box 547
Hillsville, VA 24343
Phone: 540-835-0012
Mobile: 540-449-5429
Email: uniteddhia.anitaq@gmail.com
www.uniteddhia.com

52 Virginia
North Carolina
South Carolina
Tennessee
West Virginia
December 12/20/2023 2/28/2025 Certified

Washington State DHIA
Contact: Greg Irwin, General Manager

105 South Pine St
P.O. Box 528
Burlington, WA 98233
Phone: 360-755-0375
Toll Free: 800-526-2603
Email: dairy.dhia@wa-dhia.com
www.wa-dhia.com

91 Washington
Oregon
Idaho
Alaska
November 1/11/2023 1/31/2024 Provisional

Willamette DHIA
Contact: Brian Christianson, President - Board of Directors

3979 Silverton Road NE
Salem, OR 97305
Phone: 503-362-1880
Email: office.dhia@gmail.com

192 Oregon
Washington
Califorina
Alaska
Hawaii
November 1/13/2023 1/31/2024 Provisional