Missouri

St. Louis -- World Headquarters
Monsanto Company
800 North Lindbergh Blvd.
St. Louis, Missouri 63167
Phone: 314/694-1000

Chesterfield Village Research Center
700 Chesterfield Parkway West
Chesterfield, MO 63017
Phone: 314/694-1000

Marshall
DEKALB® Genetics Corp.
830 N. Miami
P.O. Box 578
Marshall, MO 65340

Marshall Research
1565 Commerce Rd.       
Marshall, MO

Matthews
Asgrow Seed
2992 State Highway V
Matthews, MO 63867

Owensville Emission Testing      
110 Paul Lenauer Memorial Drive            
Owensville, MO

Sikeston
Monsanto Company
17812 US Hwy 61
P.O. Box 847
Sikeston, MO 63801