US Factory Map

Fertilizer manufacturers in Washington

Washington has 44 fertilizer makers in EPA records, facilities that list codes for nitrogen, phosphate and mixed fertilizers. The most are in Kennewick, Pasco and Mount Vernon. That is 4% of the 1,107 such facilities nationwide, and Washington ranks #7 of 50 states.

Product
Fertilizer manufacturers
Facilities
44
State rank
#7
NAICS
325311, 325312, 325314
Revised
November 1, 2026

Facilities in Washington

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
Agrium US Inc Bowles RoadKennewickNitrogenous Fertilizer Manufacturing
Agrium US Inc Kfo Finley AreaKennewickNitrogenous Fertilizer Manufacturing
Agrium US Kennewick Fertilizer SiteKennewickNitrogenous Fertilizer Manufacturing
Walla Walla Farmers Coop - Walla WallaWalla WallaNitrogenous Fertilizer Manufacturing
Hyponex CorporationMarysvilleFertilizer (Mixing Only) Manufacturing
Pace International LLCWapatoPhosphatic Fertilizer Manufacturing
Skagit Soils IncMount VernonFertilizer (Mixing Only) Manufacturing
Helena Chemical CompanyPascoFertilizer (Mixing Only) Manufacturing
Oneill And Sons Trucking IncOlympiaFertilizer (Mixing Only) Manufacturing
Pacific Topsoils Inc Smith IslandEverettFertilizer (Mixing Only) Manufacturing
Tessenderlo Kerley IncKennewickNitrogenous Fertilizer Manufacturing
A & L Top SoilPoulsboFertilizer (Mixing Only) Manufacturing
Applied Plant ScienceWoodlandFertilizer (Mixing Only) Manufacturing
Cedar Grove Composting CorporateSeattleFertilizer (Mixing Only) Manufacturing
Cedar Grove Composting IncMaple ValleyFertilizer (Mixing Only) Manufacturing
Cedar Grove Composting Inc EverettEverettFertilizer (Mixing Only) Manufacturing
Kronos MicronutrientsMoxeeNitrogenous Fertilizer Manufacturing
Nu Chem Ltd At Central FerryPomeroyFertilizer (Mixing Only) Manufacturing
Pacific Topsoils MaltbyWoodinvilleFertilizer (Mixing Only) Manufacturing
Pacific Topsoils Sunset QuarryIssaquahFertilizer (Mixing Only) Manufacturing
Riverside TopsoilSnohomishFertilizer (Mixing Only) Manufacturing
Sunset Materials Inc RentonRentonFertilizer (Mixing Only) Manufacturing
Whatcom Farmers Co-OpLyndenFertilizer (Mixing Only) Manufacturing
Wilbur Ellis Co Mt VernonMount VernonFertilizer (Mixing Only) Manufacturing
Bailey CompostSnohomishFertilizer (Mixing Only) Manufacturing
Charles H Lilly CoSeattleFertilizer (Mixing Only) Manufacturing
Chs Agronomy TerminalClarkstonNitrogenous Fertilizer Manufacturing
Kennewick Plant - Finley AreaKennewickNitrogenous Fertilizer Manufacturing
Lenroc CoEphrataNitrogenous Fertilizer Manufacturing
Lenz Enterprises IncStanwoodFertilizer (Mixing Only) Manufacturing
Nw Agricultural SupplyPascoFertilizer (Mixing Only) Manufacturing
Pacific Topsoils IncWoodinvilleFertilizer (Mixing Only) Manufacturing
Pacific Topsoils Inc Bellevue SiteBellevueFertilizer (Mixing Only) Manufacturing
Rsa Microtech Westar LaneBurlingtonFertilizer (Mixing Only) Manufacturing
Smith Kem Ellensburg IncEllensburgFertilizer (Mixing Only) Manufacturing
Specialty ProductsLakewoodNitrogenous Fertilizer Manufacturing
Tidewater Terminal Co ClarkstonClarkstonFertilizer (Mixing Only) Manufacturing
Tilz Soil And CompostsBainbridge IslandFertilizer (Mixing Only) Manufacturing
Waupaca NorthwoodsParkerFertilizer (Mixing Only) Manufacturing
Wilbur Ellis Co Moses Lake 1Moses LakeFertilizer (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

  • Kennewick: 5
  • Pasco: 3
  • Mount Vernon: 2
  • Everett: 2
  • Seattle: 2
  • Pomeroy: 2

By product code

  • Fertilizer (Mixing Only) Manufacturing (NAICS 325314): 29 of those shown
  • Nitrogenous Fertilizer Manufacturing (NAICS 325311): 10 of those shown
  • Phosphatic Fertilizer Manufacturing (NAICS 325312): 1 of those shown

All chemicals manufacturing in Washington: 210 facilities and Census job counts.