US Factory Map

Fertilizer manufacturers in California

California has 167 fertilizer makers in EPA records, facilities that list codes for nitrogen, phosphate and mixed fertilizers. The most are in Hanford, Fresno and Visalia. That is 15% of the 1,107 such facilities nationwide, and California ranks first of 50 states.

Product
Fertilizer manufacturers
Facilities
167
State rank
#1
NAICS
325311, 325312, 325314
Revised
November 1, 2026

Facilities in California

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.

FacilityCityWhat EPA lists
J.r. Simplot CompanyLathropNitrogenous Fertilizer Manufacturing
Jr SimplotHelmNitrogenous Fertilizer Manufacturing
Agrium U S IncorporatedWest SacramentoNitrogenous Fertilizer Manufacturing
Forward Inc LandfillMantecaFertilizer (Mixing Only) Manufacturing
Tulare Lake CompostKettleman CityFertilizer (Mixing Only) Manufacturing
Highway 59 LandfillMercedFertilizer (Mixing Only) Manufacturing
South Kern Industrial Center, LLCTaftFertilizer (Mixing Only) Manufacturing
Bfi - The Recyclery - LandfillSan JoseFertilizer (Mixing Only) Manufacturing
Inland Empire Regional Composting AuthorityRancho CucamongaNitrogenous Fertilizer Manufacturing
Recology-Hay Road Landfill(norcal Waste)VacavilleFertilizer (Mixing Only) Manufacturing
Old Durham WoodDurhamFertilizer (Mixing Only) Manufacturing
Redi-Gro CorpSacramentoFertilizer (Mixing Only) Manufacturing
Thatcher Company Of California, Inc.SacramentoNitrogenous Fertilizer Manufacturing
Brandt ConsolidatedFresnoFertilizer (Mixing Only) Manufacturing
Grow More IncGardenaFertilizer (Mixing Only) Manufacturing
Hawthorne Hydroponics LLC DBA Vermicrop OrganicsOlivehurstFertilizer (Mixing Only) Manufacturing
Hocking International LaboratoriesSan MarcosNitrogenous Fertilizer Manufacturing
Hydrite Chemical Co. - VisaliaVisaliaFertilizer (Mixing Only) Manufacturing
Hydrofarm - House & Garden Manufacturing SiteArcataFertilizer (Mixing Only) Manufacturing
Jr SimplotFrench CampNitrogenous Fertilizer Manufacturing
Western Farm Service, Walnut GroveWalnut GroveNitrogenous Fertilizer Manufacturing
Wilbur-Ellis Company, MantecaMantecaFertilizer (Mixing Only) Manufacturing
1st Choice Fertilizer IncCeresFertilizer (Mixing Only) Manufacturing
1st Choice Fertilizer, IncSan LeandroFertilizer (Mixing Only) Manufacturing
3150 S. WillowFresnoFertilizer (Mixing Only) Manufacturing
Actagro LLCKermanNitrogenous Fertilizer Manufacturing
AG Excite, LLCHanfordFertilizer (Mixing Only) Manufacturing
AG Production CoTurlockFertilizer (Mixing Only) Manufacturing
Agri Service IncOceansideFertilizer (Mixing Only) Manufacturing
AgriformWoodlandFertilizer (Mixing Only) Manufacturing
Agriform, Div. Of TremontWoodlandNitrogenous Fertilizer Manufacturing
Agriscape IncMurrietaFertilizer (Mixing Only) Manufacturing
Agromin Agricultural Material Composting Operations Van Vleck RanchRancho MurietaFertilizer (Mixing Only) Manufacturing
Agromin ChinoChinoFertilizer (Mixing Only) Manufacturing
Agromin Oc Ontario Green Materials Composting OperationOntarioFertilizer (Mixing Only) Manufacturing
Agromin-Bowles Green Materials Composting OperationDos PalosFertilizer (Mixing Only) Manufacturing
Agroplantae Inc.FresnoFertilizer (Mixing Only) Manufacturing
Agrothrive IncGonzalesFertilizer (Mixing Only) Manufacturing
Aguinaga Green IncSilveradoFertilizer (Mixing Only) Manufacturing
Aguinaga Green IncIrvineFertilizer (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.

Where they are

  • Hanford: 9
  • Fresno: 7
  • Visalia: 5
  • Sacramento: 3
  • Chino: 3
  • Gonzales: 3

By product code

  • Fertilizer (Mixing Only) Manufacturing (NAICS 325314): 30 of those shown
  • Nitrogenous Fertilizer Manufacturing (NAICS 325311): 10 of those shown

All chemicals manufacturing in California: 4,424 facilities and Census job counts.