AgSource/Harris Laboratories
300 Speedway Circle
Lincoln, NE 68502
402-476-0300
http://agsource.crinet.com/

Midwest Laboratories
13611 B. St.
Omaha, NE 68144
402-334-7770
https://www.midwestlabs.com/

Olsen’s Agricultural Laboratory
210 East 1st St.
McCook, NE 69001
308-345-3670
http://www.olsenlab.com/

Platte Valley Laboratories
914 Highway 30
P.O. Box 807
Gibbon, NE 68840
308-468-5975
http://www.soillab.com/

Servi-Tech Laboratories
1602 Park West Drive
P.O. Box 169
Hastings, NE 68902
800-557-7509
http://www.servitechlabs.com

Ward Laboratories
4007 Cherry Ave.
P.O. Box 788
Kearney, NE 68848-0788
800-887-7645
http://www.wardlab.com/