Locations
Manufacturing Facilities
1. Fort Dodge, IA
2055 Quail Ave.
Fort Dodge, IA 50501
Office Phone
(515) 573-3867
Bulk Loading Hours
Sunday 5:00 p.m. – Saturday 5:00 p.m.
24-hour loadout is available. If loading after 5:00 p.m. or prior to 7:00 a.m., please call (515) 573-3867 during day-time business hours (7:00 a.m. – 5:00 p.m.) to verify your load number. If possible, please have trucks arrive by 4:00 p.m. on Saturdays.
Saturday 5:00 p.m. – Sunday 5:00 p.m. : Closed
Bag Loading Hours
Monday – Friday: 7:00 a.m. – 4:00 p.m.
Saturday – Sunday: Closed
Office Hours
Monday – Friday: 7:00 a.m. – 4:00 p.m.
Saturday – Sunday: Closed
Fort Dodge North Load-Out Camera
Fort Dodge South Load-Out Camera
2. Gilmore City, IA
50602 330th Ave.
Gilmore City, IA 50541
Office Phone
(515) 864-7330
Customer Service
(800) 255-8196
Bulk Loading Hours
Sunday 5:00 p.m. – Saturday 5:00 p.m.
24-hour loadout is available. If loading after 5:00 p.m. or prior to 7:00 a.m., please call (515) 864-7330 during day-time business hours (7:00 a.m. – 5:00 p.m.) to verify your load number. If possible, please have trucks arrive by 4:00 p.m. on Saturdays.
Saturday 5:00 p.m. – Sunday 5:00 p.m.: Closed
Bag Loading Hours
Monday – Friday: 7:00 a.m. – 4:00 p.m.
Saturday – Sunday: Closed
Office Hours
Monday – Friday: 7:00 a.m. – 4:00 p.m.
Saturday – Sunday: Closed
Gilmore City Load-Out Camera
3. Alden, IA
800 River Dr.
Alden, IA 50006
Office Phone
(515) 859-3383
Bulk Loading Hours
Monday – Friday: 7:00 a.m. – 5:00 p.m.
Trucks must arrive by 4:00 p.m. to successfully load by 5:00 p.m.
Saturday – Sunday: Closed
Bulk 98G is FOB in:
Gilmore City, IA
Alden, IA
Bulk SO4 is FOB in:
Fort Dodge, IA
Package product is FOB in:
Fort Dodge, IA
Gilmore City, IA
Corporate Headquarters
Ames, IA
ISU Research Park
2520 North Loop Drive, Suite #7100
Ames, IA 50010
Office Phone
(515) 598-2760
Office Hours
Monday – Friday: 8:00 a.m. – 5:00 p.m.
Saturday – Sunday: Closed
