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Michigan Office

Shipping address:
4200 Forest Road – bldg. A
Lansing, MI 48910

Mailing address:
PO Box 23157
Lansing, MI 48909-3157
Phone: 800.631.3510

Wisconsin Office
Shipping address:
N11463 State Road 26
Waupun, WI 53963

Mailing address:
PO Box 191
Waupun, WI 53963
Phone: 800.631.3510

Michigan Laboratory
1163 Comet Lane – Suite 100
Grand Ledge, MI 48837
Phone: 800.836.8114

Wisconsin Laboratory
200 East Kelso Road
Kaukauna, WI 54130
Phone: 920.733.6598

Service Areas

Contact the Team Leader or DHI Manager that serves the area your farm is in for on-farm service. For general questions about products, programs, diagnostic testing, questions about your account, or to place an order, use the contact form or call 800.631.3510.

Jakubik-Team_MI
Chris McTaggart

Chris McTaggart

Team Leader

Jakubik-Team_MI
Steve Reed

Steve Reed

Team Leader

dhi mi-in
Pam Thom

Pam Thom

DHI Manager - Michigan & Indiana

IN district and team NewBoundary
Tim Schmidt

Tim Schmidt

Team Leader

central star upper wisconsin
Amy Toutant Northern WI DHI Manager

Amy Toutant

DHI Manager - Northern Wisconsin

Klevgard-Team_WI
Darin Klevgard

Darin Klevgard

Team Leader

Holterman-UP_MI
Jordan Freund Team Leader Central Star

Jordan Freund

Team Leader

Kelroy-Team_WI
Dave Sarttler

Dave Sattler

Team Leader

Galstad-Team_WI
Jim Galstad

Jim Galstad

Team Leader

jeff hardyman dhi iowa illinois wisconsin
Jeff Hardyman

Jeff Hardyman

DHI Manager - Iowa, Illinois, & Southern Wisconsin