Fertilizer manufacturers in Iowa

Iowa has 56 fertilizer makers in EPA records, facilities that list codes for nitrogen, phosphate and mixed fertilizers. The most are in Sergeant Bluff, Duncombe and Pacific Junction. That is 5% of the 1,107 such facilities nationwide, and Iowa ranks #5 of 50 states.

Product: Fertilizer manufacturers
Facilities: 56
State rank: #5
NAICS: 325311, 325312, 325314
Revised: November 1, 2026

Facilities in Iowa

These are active facilities in EPA's ECHO database that list a code for nitrogen, phosphate and mixed fertilizers. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.

Facility	City	What EPA lists
Koch Fertilizer Wever, LLC	Wever	Nitrogenous Fertilizer Manufacturing
CF Industries Nitrogen, LLC - Port Neal Complex	Sergeant Bluff	Nitrogenous Fertilizer Manufacturing
Green Valley Chemical Corp	Creston	Nitrogenous Fertilizer Manufacturing
Van Diest Supply Co	Webster City	Fertilizer (Mixing Only) Manufacturing
Koch Fertilizer Ft. Dodge, LLC	Duncombe	Nitrogenous Fertilizer Manufacturing
The Scotts Co., Ortho Business Group	Fort Madison	Fertilizer (Mixing Only) Manufacturing
Heartland Coop	Alleman	Fertilizer (Mixing Only) Manufacturing
Helena Industries	Des Moines	Fertilizer (Mixing Only) Manufacturing
Agrium - Early Terminal	Early	Nitrogenous Fertilizer Manufacturing
Agroliquid - Williams	Williams	Nitrogenous Fertilizer Manufacturing
Five Star Cooperative F/d/b/a Agriliance LLC	Mason City	Nitrogenous Fertilizer Manufacturing
Koch Fertilizer Fort Dodge LLC	Duncombe	Nitrogenous Fertilizer Manufacturing
Twin-State Engineering & Chemical Co	Walcott	Fertilizer (Mixing Only) Manufacturing
United Suppliers Eldora	Eldora	Phosphatic Fertilizer Manufacturing
United Suppliers Inc. Pac. Junction	Pacific Junction	Phosphatic Fertilizer Manufacturing
AG Partners	Albert City	Fertilizer (Mixing Only) Manufacturing
Agriland Fs Inc. Logan	Logan	Fertilizer (Mixing Only) Manufacturing
Becker Underwood Inc	Ames	Fertilizer (Mixing Only) Manufacturing
C & M AG Products	Corwith	Nitrogenous Fertilizer Manufacturing
Cargill Inc-Grain Elevator	Onawa	Fertilizer (Mixing Only) Manufacturing
Chamness Technologies	Eddyville	Fertilizer (Mixing Only) Manufacturing
City Of Davenport Composting Facility	Davenport	Fertilizer (Mixing Only) Manufacturing
Cj Bio America	Fort Dodge	Nitrogenous Fertilizer Manufacturing
Farmers Cooperative	Readlyn	Fertilizer (Mixing Only) Manufacturing
Farmers Cooperative Company - Churdan	Churdan	Fertilizer (Mixing Only) Manufacturing
Farmers Elevator Co - Rock Valley Nh3	Rock Valley	Fertilizer (Mixing Only) Manufacturing
Farmers Feed And Grain	Riceville	Fertilizer (Mixing Only) Manufacturing
Golden Furrow Fertilizer, Inc.	Fairfield	Phosphatic Fertilizer Manufacturing
Greene AG Services, Inc.	Greene	Nitrogenous Fertilizer Manufacturing
Greenfiel Nitrogen	Garner	Nitrogenous Fertilizer Manufacturing
Heartland Co-Op Evansville	Indianola	Fertilizer (Mixing Only) Manufacturing
Hyponex Corporation	Pacific Junction	Fertilizer (Mixing Only) Manufacturing
Koch Nitrogen Company - Washington Terminal	Keota	Nitrogenous Fertilizer Manufacturing
Koch Nitrogen Company- Iowa Falls Terminal Wt-6	Ackley	Nitrogenous Fertilizer Manufacturing
Koch Nitrogen Company, LLC - Marshalltown Terminal	Marshalltown	Nitrogenous Fertilizer Manufacturing
N E W Coop Inc	Vincent	Fertilizer (Mixing Only) Manufacturing
Na-Churs/alpine Solutions	Red Oak	Fertilizer (Mixing Only) Manufacturing
Nagle Signs Inc	Marshalltown	Fertilizer (Mixing Only) Manufacturing
New Cooperative Inc. - Knierim-Nh3	Knierim	Fertilizer (Mixing Only) Manufacturing
Northeast Iowa Cooperative	Clermont	Fertilizer (Mixing Only) Manufacturing

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.