Corporate Headquarters and Laboratory

217 E. Main St.
Arcadia, WI  54612
Phone:  (608) 323-2123
Fax:  (608) 323-2184

Stratford, WI Laboratory

Mailing address:

P.O. Box 418
Stratford, WI  54484

Shipping address:  
117609 Forward St
Stratford, WI  54484

Phone:  (715)-687-9997
Fax:  (715)-687-9907

St. Cloud, MN Laboratory

Mailing address:

P.O. Box 580
St. Cloud, MN 56302

Shipping address:
919 Lincoln Ave
Sauk Rapids, MN  56379

Phone: 320-240-1737
Fax:  320-240-1838

De Pere, WI Laboratory

Mailing address:

P.O. Box 7058
De Pere, WI  54115

Shipping address:
1111 Lawrence Drive
De Pere, WI  54115

Phone: 920-336-4521
Fax: 920-336-4708

Battle Creek, MI LABORATORY

Mailing/Shipping address:

Suite A
4900 West Dickman Road
Battle Creek, MI 49037

Phone: 269-753-0048