NAICS 325312 - Phosphatic Fertilizer Manufacturing RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Phosphatic Fertilizer Manufacturing (NAICS 325312) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

About Phosphatic Fertilizer Manufacturing (NAICS 325312)

This U.S. industry comprises establishments primarily engaged in (1) manufacturing phosphatic fertilizer materials or (2) manufacturing phosphatic materials and mixing with other ingredients into fertilizers.

StatusTitleBuyerDue Date
OpenMonocalcium Phosphate Purchase

The Texas Department of Criminal Justice is requesting bids to establish a purchase order for monocalcium phosphate.

Texas, USA•Invitation for/to Bid (IFB/ITB)
State of Texas > Texas Department of Criminal Justice > Contracts and Procurement10/28/2026
OpenLiquid Polyaluminum Chloride Supply

The Township of Wayne is seeking liquid polyaluminum chloride for phosphorus removal at its wastewater treatment facility, with delivery in totes or bulk shipments and technical support.

Wayne, NJ, USA•Invitation for/to Bid (IFB/ITB)
Wayne Township > Purchasing Division11/13/2026
Open20-5-20 Granular Fertilizer Procurement

The Department of Veterans Affairs is conducting market research for 1,185 50-pound bags of 20-5-20 granular fertilizer with at least 50% slow-release nitrogen and sulfate-of-potash potassium for Jefferson Barracks National Cemetery.

2900 Sheridan Road, St. Louis, MO, USA•Sources SoughtService-Disabled Veteran-Owned BusinessVeteran-Owned Business
United States of America > VETERANS AFFAIRS, DEPARTMENT OF > NATIONAL CEMETERY ADMIN (36C786) (CENTRALIZED CONTRACTING DIVISION)11/11/2026
OpenBlended Phosphate for Corrosion Control

The Mahoning Valley Sanitary District is seeking approximately 220 to 260 tons of a 25/75% polyphosphate/orthophosphate blend for corrosion control, including truck delivery to its water purification plant during 2027.

1181 Ohltown Mcdonald Road, Mineral Ridge, OH, USA•Invitation for/to Bid (IFB/ITB)
Mahoning Valley Sanitary District10/27/2026
OpenPharmaceutical and Biologic Manufacturing

The National Science Foundation is seeking proposals for pharmaceutical and biologic manufacturing under the SBIR program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenFertilizer, Herbicide, and Pesticide Products

The City of Chandler is requesting bids for fertilizer, herbicide, and pesticide products under Solicitation No. CS7-967-5154.

Chandler, AZ, USA•Invitation for/to Bid (IFB/ITB)
City of Chandler > Purchasing Division11/5/2026
OpenOther Manufacturing Technologies

The National Science Foundation is seeking proposals for research and development in other manufacturing technologies through its Small Business Innovation Research program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenPhosphate-Based Corrosion Inhibitor Supply

The City of Montmagny is seeking bids for phosphate-based corrosion inhibitor needed at its drinking-water treatment plant during 2027, with possible renewals through 2029.

Montmagny, QC, Canada•Request for Proposal (RFP)
Montmagny10/28/2026
OpenAmmonium Hydroxide Manufacturing and Delivery

The U.S. Navy is seeking the manufacture and delivery of 2,739 packages of ammonium hydroxide under a total small-business set-aside, with production-lot samples, government inspection, and certified test-and-inspection reports required.

1400 Farragut Avenue, Bremerton, WA, USA•Sole SourceSmall Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)11/16/2026
OpenHydrated Lime Supply

Shelby County is seeking suppliers for hydrated lime under solicitation 2026-9-12688.

Shelby County, TN, USA•Request for Quote/Qualifications (RFQ)
Shelby County Government-
OpenDrinking Water Treatment Chemicals

The City of Sept-Îles is seeking suppliers to provide five chemicals for drinking water treatment during 2027, with estimated quantities specified for each product.

Quebec, Canada•Request for Proposal (RFP)
Quebec City > Procurement Service11/20/2026
OpenBulk Polymer and Copper Sulfate Supply

The City of Midland is seeking bulk polymer and copper sulfate for its Water Reclamation Facility, with deliveries ordered as needed during the 2026–2027 supply period.

City Of Midland, Midland, TX, USA•Invitation for/to Bid (IFB/ITB)
City of Midland11/5/2026
ClosedWater and Wastewater Treatment Chemicals

The U.S. Army is seeking water and wastewater treatment chemicals under a total small business set-aside for delivery to Fort McCoy, Wisconsin.

Fort McCoy, Lafayette, WI, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QM MICC FT MCCOY (RC) (KO DIRECTORATE OF CONTRACTIN)10/27/2026
OpenWater and Pool Treatment Chemicals

The City of Gatineau is seeking bids for the supply of chemicals used to treat drinking water, wastewater, leachate, and swimming pools under one-year contracts.

Gatineau, QC, Canada•Request for Proposal (RFP)
Gatineau11/9/2026
OpenIndustrial Water Treatment Chemicals

The Town of Colonie is seeking bids for a range of industrial water and wastewater treatment chemicals, with estimated quantities and delivery requirements for 2027.

Albany County, NY, USA•Invitation for/to Bid (IFB/ITB)
Town of Colonie > General Services Department11/10/2026
OpenAluminum Sulfate Supply

The Richelieu Valley Intermunicipal Water Board is seeking bids to supply aluminum sulfate for a 12-month purchasing group contract serving drinking-water and wastewater treatment utilities.

Quebec, Canada•Request for Proposal (RFP)
Quebec > Regie d'Assainissement des Eaux de la Vallee du Richelieu11/11/2026
OpenComplex Chlorides and Mineral Products

The Arkansas Department of Transportation is seeking electronic bids for complex chlorides and mineral products under solicitation H-27-229K.

Arkansas, USA•Request for Proposal (RFP)
Arkansas > Department of Transportation-
Open2027 Water and Wastewater Treatment Chemical Supply

The City of Brandon is seeking tenders for the 2027 supply of treatment chemicals to its Water Treatment Facility and Water Reclamation Facility, including lime, alum, soda ash, polymers, methanol, sodium hypochlorite, and other chemicals.

Brandon, MB, Canada•Invitation for/to Bid (IFB/ITB)
City of Brandon11/9/2026
OpenWater and Wastewater Treatment Chemicals

Highlands Ranch Water and Sanitation District is requesting proposals for liquid ferric sulfate and sodium hydroxide to support its water, wastewater, and groundwater treatment plants.

62 Plaza Drive, Highlands Ranch, CO, USA•Request for Proposal (RFP)
Highlands Ranch Water and Sanitation District11/26/2026
OpenWastewater Treatment Plant Polymer IFB

The City of Bismarck is seeking cost proposals for dewatering polymer for use with its solid waste processing equipment at the Wastewater Treatment Facility, requiring performance at least equivalent to Solenis K274FLX and pricing based on delivered cost per dry ton of biosolids produced.

601 London Avenue, Bismarck, ND, USA•Invitation for/to Bid (IFB/ITB)
City of Bismarck > Public Works Utility Operations11/3/2026
OpenDistributed Manufacturing

The National Science Foundation is seeking proposals for distributed manufacturing research and development through its SBIR program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenWater and Wastewater Treatment Chemicals

The Niagara Falls Water Board is seeking bids for the purchase and delivery of chemicals for municipal water and wastewater treatment facilities, with prices firm for 2027.

Niagara Falls, NY, USA•Invitation for/to Bid (IFB/ITB)
City of Niagara Falls11/10/2026
OpenWater and Wastewater Treatment Chemicals

The City of Rosenberg is seeking bids for annual supply and delivery of sodium hypochlorite, liquid ammonium sulfate, and poly-ortho phosphate for its water and wastewater treatment operations, with a potential five-year contract term.

Rosenberg, TX, USA•Invitation for/to Bid (IFB/ITB)
City of Rosenberg > Utilities Department11/5/2026
OpenWater and Wastewater Treatment Chemicals

Hardin County Water District No. 1 is seeking bids for a range of water and wastewater treatment chemicals, delivered to its treatment plants, with prices firm for calendar year 2027.

Kentucky, USA•Invitation for/to Bid (IFB/ITB)
Hardin County Water District No. 111/25/2026
OpenAmmonium Sulfate Solution Supply and Delivery

The City of Palm Coast is seeking delivered ammonium sulfate solution for its water treatment plants and chloramination station, with annual demand anticipated at 30,000 gallons.

Palm Coast, FL, USA•Invitation for/to Bid (IFB/ITB)
City of Palm Coast > Budget and Procurement Office11/5/2026
Frequently Asked Questions
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What is NAICS code 325312 (Phosphatic Fertilizer Manufacturing)?+

This U.S. industry comprises establishments primarily engaged in (1) manufacturing phosphatic fertilizer materials or (2) manufacturing phosphatic materials and mixing with other ingredients into fertilizers.

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