Ames

Ames Corn Research
1203A Airport Road
Ames, IA 50010

Anamosa

Monsanto Company
Old Dubuque Road – Box 427
Anamosa, IA 52205

Ankeny

Monsanto Company
3302 S.E. Convenience Road
Ankeny, IA 50021

Aplington

Monsanto - Parkersburg Foundation
18739 Highway 57
Aplington IA 50604

Atlantic

Monsanto Company
53751 650th Street
Atlantic, IA 50022

Beaman

Monsanto
410 Center St
PO Box 166
Beaman, IA 50609

Boone

Monsanto
1159 S Ave
Boone, IA 50036

ASI - KRUGER-DIKE
33730 160th Street
Cedar Falls, IA

Cedar Rapids

DeKalb
3500 F Ave, NW - Suite 1
Cedar Rapids, IA 52405

Clarion

Monsanto
617-623 Central Ave. West
PO Box 108
Clarion, IA 50525

Dayton

Monsanto
2476 370th St
PO Box 408
Dayton, IA 50530
Tel: 515-547-2550
Fax: 515-547-2552

Grinnell

Monsanto
721 Hwy 6 E
PO Box 773
Grinnell, IA 50112

Monsanto Company
Iowa Foundation
757 Hwy 6
P.O. Box 743
Grinnell, IA 50112

Huxley

Monsanto Company
1551 Highway 210
Huxley, IA 50124

Independence

2346 Henley Ave
Independence, IA

2332 Henley Ave
Independence, IA

Muscatine

Muscatine Plant
2500 Wiggins Road
Muscatine, IA 52761
Tel: 563-263-0093
Fax: 563-262-5683