NAICS 335311 - Power, Distribution, and Specialty Transformer Manufacturing RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities
Browse open Power, Distribution, and Specialty Transformer Manufacturing (NAICS 335311) 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 Power, Distribution, and Specialty Transformer Manufacturing (NAICS 335311)
This U.S. industry comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.
| Status | Title | Buyer | Due Date |
|---|---|---|---|
| Open | Midtown Substation Transformers The City of Fort Collins is requesting proposals to furnish and deliver two 50 MVA, 115kV-to-13.8kV outdoor power transformers for its Midtown Substation, with proposed lead time and U.S. manufacturing required; the proposal deadline is October 16, 2026. Fort Collins, CO, USA•Request for Proposal (RFP) | City of Fort Collins > Light and Power Department | 10/16/2026 |
| Open | Current and Potential Transformers The New York Power Authority is requesting proposals for current and potential transformers for its Niagara Power Project in Niagara Falls, New York. Niagara Falls, NY, USA•Request for Proposal (RFP) | New York Power Authority > Niagara Power Project | 10/30/2026 |
| Open | Power Transformers, NSN 5950-00-110-7833 The Defense Logistics Agency is requesting a quote for five power transformers, NSN 5950-00-110-7833, for delivery to DLA Distribution. United States•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN) | 10/19/2026 |
| Open | Power Transformers The Defense Logistics Agency is requesting 10 power transformers under a total small business set-aside, with electronic quotes due October 21, 2026. Defense Distribution Depot Susquehanna, Fairview, PA, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN) | 10/21/2026 |
| Open | Transformer Purchase The Utility Board of the City of Key West is requesting proposals to purchase transformers, including power distribution and high-voltage transformer equipment. Key West, FL, USA•Request for Proposal (RFP) | City of Key West > Utility Board of the City of Key West | 10/16/2026 |
| Open | Two Power Transformers The City of Edmond Public Works Authority is seeking two 15/20/25/28 MVA power transformers for electrical substations, including delivery, unloading, assembly, installation, testing, and manufacturer field services. Edmond, OK, USA•Invitation for/to Bid (IFB/ITB) | City of Edmond > Edmond Public Works Authority | 11/2/2026 |
| Open | Nearman N1 Generator Step-Up Transformer Replacement The Kansas City Board of Public Utilities is seeking proposals to furnish, deliver, install, test, and commission a 280 MVA Nearman N1 generator step-up transformer rated for 161 kV grounded-wye high-side and 19 kV delta low-side operation. 4240 North 55th Street, Kansas City, KS, USA•Request for Proposal (RFP) | Kansas City Board of Public Utilities > Department of Purchasing and Supply Chain | 11/6/2026 |
| Open | Power Transformers for Agnew and Palm Substations The City of Santa Clara is soliciting bids for three outdoor oil-filled three-phase power transformers, including design, manufacture, testing, delivery, installation, commissioning, and field assistance at the Agnew and Palm substations. 4211 Lafayette Street, Santa Clara, CA, USA•Invitation for/to Bid (IFB/ITB) | City of Santa Clara > Purchasing Division > Silicon Valley Power | 11/17/2026 |
| Open | Eel River Converter Transformer Replacement Project Energie NB Power is seeking a single supplier to design, manufacture, supply, test, deliver, off-load, and optionally assemble, oil-fill, and commission 13 four-winding converter transformers, including one spare, for the Eel River HVDC station. 162 Degroot Road, NB, Canada•Request for Proposal (RFP) | NB Power | 12/1/2026 |
| Open | Seven 115 kV Coupling Capacitor Voltage Transformers The Town of Wallingford is seeking bids for the design, manufacture, testing, and delivery of seven 115 kV outdoor coupling capacitor voltage transformers for its Electric Division. 130 Thorpe Avenue, Wallingford, CT, USA•Invitation for/to Bid (IFB/ITB) | Town of Wallingford > Water Division | 10/20/2026 |
| Open | 333 kVA Transformer Supply and Delivery Newfoundland and Labrador Hydro is requesting quotes for the supply and delivery of 333 kVA transformers to Happy Valley-Goose Bay, Newfoundland and Labrador. Happy Valley-Goose Bay, NL, Canada•Request for Quote/Qualifications (RFQ) | Newfoundland and Labrador Hydro | 10/19/2026 |
| Open | 18/24/30 MVA Substation Transformer Bristol Virginia Utilities Authority is seeking one 18/24/30 MVA three-phase substation transformer that steps down 69 kV to 13.2 kV, including design, manufacture, testing, delivery, installation, and manufacturer field services. 2484 Valley Drive, Bristol, VA, USA•Invitation for/to Bid (IFB/ITB)Other | Blacksburg-Virginia Utilities Authority | 11/10/2026 |
| Open | 750 kVA Padmounted Transformer The City of Burlington Electric Department is requesting a proposal for one 750 kVA three-phase, liquid-filled, compartmental-type, dead-front, loop-feed padmounted transformer with specified electrical characteristics, testing, documentation, and delivery. 585 Pine Street, Burlington, VT, USA•Request for Proposal (RFP) | City of Burlington > Burlington Electric Department | 10/30/2026 |
| Open | 161/46/13 kV Three-Winding Power Transformer The University of Mississippi is requesting one 161/46/13 kV three-winding power transformer on a material-only basis. 164 Jeanette Phillips Drive, University, MS, USA•Invitation for/to Bid (IFB/ITB) | The University of Mississippi | 10/22/2026 |
| Open | 2027-2028 Transformer Inventory Benton Public Utility District is seeking sealed bids for its 2027-2028 transformer inventory, with bids due November 4, 2026, and a 5% bid bond or certified/cashier's check required. Kennewick, WA, USA•Invitation for/to Bid (IFB/ITB) | Benton County Fire Protection District #1 | 11/4/2026 |
| Open | 50 kVA Pad-Mounted Transformers Burlington Electric Department is requesting proposals for four 50 kVA single-phase, liquid-filled, compartmental-type, dead-front, loop-feed pad-mounted transformers with specified electrical characteristics, documentation, testing, and delivery. 585 Pine Street, Burlington, VT, USA•Request for Proposal (RFP) | City of Burlington > Burlington Electric Department | 10/30/2026 |
| Open | 61--Module High Voltage The Defense Logistics Agency is seeking 100 high-voltage modules identified by NSN 7R-6120-015780940-XE, subject to engineering source approval and qualification requirements. Philadelphia, PA, USA•Request for Proposal (RFP) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION AT PHILADELPHIA, PA (DLR PROCUREMENT OPERATIONS [AP]) | 11/5/2026 |
| Open | Power Transformers The Defense Logistics Agency is requesting a quote for three power transformers, NSN 6120-01-733-9967, for delivery to DLA Distribution. Columbus, OH, USA•Request for Quote/Qualifications (RFQ)Small Business | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN) | 10/19/2026 |
| Open | TRANSFORMER, PSRL Manufacturing and Supply The Defense Logistics Agency is seeking five TRANSFORMER, PSRL units, increased from three, manufactured to specified reference designs and supplied with military-compliant packaging and marking by November 2, 2026. 5450 Carlisle Pike, Mechanicsburg, PA, USA•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > SPRMM1 DLA MECHANICSBURG (DLA MARITIME MECHANICSBURG) | 11/2/2026 |
| Open | 37.5 kVA Padmounted Transformer Burlington Electric Department is requesting a proposal for one 37.5 kVA single-phase, liquid-filled, compartmental-type, dead-front, loop-feed padmounted transformer with specified electrical characteristics, loss guarantees, drawings, and testing documentation. 585 Pine Street, Burlington, VT, USA•Request for Proposal (RFP) | City of Burlington > Burlington Electric Department | 10/30/2026 |
| Open | 500 kVA Padmounted Distribution Transformer The City of Burlington Electric Department is requesting proposals for one 500 kVA, three-phase, liquid-filled, compartmental-type, dead-front, loop-feed padmounted transformer with specified electrical ratings, loss guarantees, testing, documentation, and delivery. Burlington Electric Department, Burlington, VT, USA•Request for Proposal (RFP) | City of Burlington > Burlington Electric Department | 10/30/2026 |
| Open | 750 kVA Padmounted Distribution Transformer Burlington Electric Department is requesting a quotation for a 750 kVA, three-phase, liquid-filled, compartmental-type, dead-front, loop-feed padmounted transformer for airport use. 585 Pine Street, Burlington, VT, USA•Request for Quote/Qualifications (RFQ) | City of Burlington > Burlington Electric Department | 10/31/2026 |
| Open | Power Transformers The Defense Logistics Agency is requesting a quotation for nine power transformers, NSN 5950-01-501-7155, for delivery to DLA Distribution Depot Hill at Hill Air Force Base, Utah. 7537 Wardleigh Road, Davis County, UT, USA•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY | 10/20/2026 |
| Open | Power Transformers The Defense Logistics Agency is requesting quotations for two power transformers, NSN 5950-01-194-3987, for delivery to its San Joaquin distribution facility in Tracy, California. 25700 South Chrisman Road, Tracy, CA, USA•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY | 10/19/2026 |
| Open | Power Transformers The Defense Logistics Agency is requesting a quotation for three power transformers, NSN 5950-00-059-3060, for delivery to Eastover, South Carolina. 1325 South Carolina Road, Eastover, SC, USA•Request for Quote/Qualifications (RFQ) | United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY | 10/19/2026 |
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What is NAICS code 335311 (Power, Distribution, and Specialty Transformer Manufacturing)?+
This U.S. industry comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.
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