Contact Us
[email protected]
Have a question or inquiry?
Use this contact form to let us know how we can help.
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.
Jeff Hardyman
DHI Manager - Southern Wisconsin, Illinois, Iowa, Minnesota, North Dakota, South Dakota, Nebraska
Bryan Stout
Field Supervisor - Kansas, Oklahoma, Arkansas, Missouri, Colorado