NAICS 325311 - Nitrogenous Fertilizer Manufacturing RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Nitrogenous Fertilizer Manufacturing (NAICS 325311) 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 Nitrogenous Fertilizer Manufacturing (NAICS 325311)

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing nitrogenous fertilizer materials; (2) manufacturing fertilizers from sewage or animal waste; and (3) manufacturing nitrogenous materials and mixing with other ingredients into fertilizers.

StatusTitleBuyerDue Date
OpenFlorida National Cemetery Chemicals

The U.S. Department of Veterans Affairs National Cemetery Administration is seeking SDVOSB quotes for delivery of specified agricultural chemicals, pesticides, fertilizers, and related products to Florida National Cemetery.

6502 SW 102 Avenue, Bushnell, FL, USARequest for Quote/Qualifications (RFQ)Service-Disabled Veteran-Owned Business
United States of America > VETERANS AFFAIRS, DEPARTMENT OF > NATIONAL CEMETERY ADMIN (36C786) (CENTRALIZED CONTRACTING DIVISION)9/14/2026
OpenCalcium Nitrate Supply

The City of Kelowna is seeking a contractor for the supply of calcium nitrate, with an average annual spend of approximately $1.95M, to replace an expiring contract.

Kelowna, BC, CanadaRequest for Proposal (RFP)
City of Kelowna9/24/2026
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 StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenAthletic Field Fertilizers and Pest-Control Chemicals

The School Board of Volusia County, Florida is seeking authorized distributors to provide athletic-field fertilizers, pest-control chemicals, herbicides, fungicides, and related horticultural products at fixed discounts from catalog pricing on an as-needed basis.

3750 Olson Drive, Daytona Beach, FL, USAInvitation for/to Bid (IFB/ITB)
School Board of Volusia County, Florida9/30/2026
OpenGranular Fertilizer Liquidation and Collection

Gwinnett County is seeking the highest responsive bid for the liquidation, collection, bagging support, and removal of granular fertilizer under a five-year multi-year contract.

1500 One Water Way, Buford, GA, USAInvitation for/to Bid (IFB/ITB)
Nevada County > Purchasing Division10/6/2026
OpenMonopropellant Production Chemicals

The Naval Surface Warfare Center Indian Head Division is seeking domestic sources for five chemicals used in monopropellant production under a planned 100% small-business-set-aside, multiple-award IDIQ supply procurement.

Indian Head, MD, USASources SoughtSmall Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NSWC INDIAN HEAD DIVISION (NAVSEA WARFARE CENTER)9/18/2026
OpenPharmaceutical and Biologic Manufacturing

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

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenAmmonium Sulfate Supply and Delivery

The City of Brantford is requesting online quotations for the supply and delivery of ammonium sulfate used in water treatment under a 60-month agreement.

Brantford, ON, CanadaRequest for Quote/Qualifications (RFQ)
City of Brantford9/21/2026
OpenDistributed Manufacturing

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

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenFood Processing, Chemicals and Agriculture R&D

The National Science Foundation is seeking proposals for research and development in food processing, chemicals, and agriculture through its Small Business Innovation Research program.

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
Open2027 Water Treatment Chemicals

The Cobb County-Marietta Water Authority is seeking sealed bids to supply chemicals for water and wastewater treatment at its facilities.

1170 Atlanta Industrial Drive, Marietta, GA, USAInvitation for/to Bid (IFB/ITB)
Cobb County-Marietta Water Authority10/6/2026
OpenWastewater Treatment Plant Chemicals

The City of Yakima is seeking electronic bids for miscellaneous water chemicals for its Wastewater Treatment Plant, due September 24, 2026, at 2:00 p.m. Washington time.

Yakima, WA, USAInvitation for/to Bid (IFB/ITB)
Yakima County9/24/2026
OpenSustainable Chemical Manufacturing

The National Science Foundation is seeking proposals for sustainable chemical manufacturing processes under its SBIR program, with multiple submission deadlines through July 2027.

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

Cape Breton Regional Municipality is seeking the supply and delivery of water and wastewater treatment chemicals under a 12-month competitive standing offer.

Cape Breton, NS, CanadaRequest for Quote/Qualifications (RFQ)
Cape Breton Regional Municipality9/22/2026
Open25% Sodium Hydroxide Supply and Delivery

Westchester County is seeking bids for approximately 100,000 gallons annually of 25% sodium hydroxide, including bulk and 55-gallon drum deliveries to county water treatment and other facilities.

Westchester County, NY, USAInvitation for/to Bid (IFB/ITB)
Westchester County > Bureau of Purchase and Supplies9/23/2026
OpenWater Treatment Chemicals

The Town of New Castle is seeking sealed bids for an annual estimated-requirements contract to supply water treatment chemicals, with awards made independently by item.

200 South Greeley Avenue, Chappaqua, NY, USAInvitation for/to Bid (IFB/ITB)
Town of New Castle9/15/2026
OpenWastewater Treatment Chemicals

The City of Yakima is seeking bids for delivery of ferric chloride solution, fertilizer-grade phosphoric acid, and fertilizer-grade urea to its wastewater treatment plant.

2220 East Viola Avenue, Yakima, WA, USAInvitation for/to Bid (IFB/ITB)
City of Yakima > Wastewater Treatment Plant > Purchasing Division9/24/2026
OpenActivated Powdered Carbon Supply

The City of Spokane is seeking a contractor to supply and deliver activated powdered carbon, in 900-pound bags and as needed, over a five-year period.

2900 South Geiger Boulevard, Spokane, WA, USAInvitation for/to Bid (IFB/ITB)
City of Spokane9/22/2026
OpenEcomanufacturing

The National Science Foundation is seeking proposals for ecomanufacturing under the SBIR program, with multiple due dates through July 2027.

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenPhase 2 Nitrogen Removal and Interim Process Improvements

The Upper Occoquan Service Authority is seeking bids for Phase 2 nitrogen removal and other interim process improvements at the Millard H. Robbins, Jr. Regional Water Reclamation Plant, with an estimated value of $30–40 million.

Centreville, VA, USAInvitation for/to Bid (IFB/ITB)
W. M. Schlosser Co. Inc.10/22/2026
OpenWater Treatment Chemicals

The Village of Wilmette is requesting bids to supply and deliver aluminum sulfate, proprietary coagulants, fluorosilicic acid, and sodium hypochlorite for water treatment.

200 Lake Avenue, Wilmette, IL, USAInvitation for/to Bid (IFB/ITB)
Village of Villa Park9/29/2026
OpenRichmond LNG Pretreatment and Liquefaction System EPC

Philadelphia Gas Works is seeking an EPC contractor to design, procure, install, and commission a new 10 MMSCFD natural gas pretreatment and nitrogen-cycle liquefaction system at its Richmond LNG Facility.

Philadelphia, PA, USARequest for Proposal (RFP)
Philadelphia Gas Works10/15/2026
OpenBiosolids Processing Facility Operations and Maintenance

The Solid Waste Authority of Palm Beach County is seeking information and capabilities from vendors qualified to operate and maintain its Biosolids Processing Facility, market biosolids products, and provide related services under a potential single-source contract.

West Palm Beach, FL, USARequest for Information (RFI)
Palm Beach County > Solid Waste Authority9/16/2026
OpenAdvanced Manufacturing Innovations

The National Science Foundation is seeking proposals for advanced manufacturing innovations that improve efficiency, competitiveness, and sustainability, with an emphasis on environmentally friendly technologies and circular economy approaches.

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenThermal Hydrolysis Process Equipment for Clarkson WRRF Biosolids Expansion

The Region of Peel is seeking a qualified vendor for the pre-purchase of thermal hydrolysis process equipment and auxiliary components for the biosolids expansion of the Clarkson Water Resource Recovery Facility.

Clarkson, ON, CanadaRequest for Proposal (RFP)
Peel Region9/18/2026
Frequently Asked Questions
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What is NAICS code 325311 (Nitrogenous Fertilizer Manufacturing)?+

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing nitrogenous fertilizer materials; (2) manufacturing fertilizers from sewage or animal waste; and (3) manufacturing nitrogenous materials and mixing with other ingredients into fertilizers.

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