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.

StatusTitleBuyerDue Date
OpenCurrent 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 Project10/30/2026
OpenPower Transformers

The Defense Logistics Agency is requesting quotes for 47 power transformers for delivery to DLA Distribution Barstow under a Women-Owned Small Business set-aside.

Barstow, CA, USA•Request for Quote/Qualifications (RFQ)Woman-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN)10/29/2026
OpenPower Transformers

The Defense Logistics Agency is requesting three power transformers for delivery to DLA Distribution San Joaquin.

Tracy, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION (ASC COMMODITIES DIVISION)10/28/2026
OpenPower Autotransformers

The Defense Logistics Agency is requesting quotes for 10 power autotransformers, with delivery to its Oklahoma depot within 130 days after award.

Tinker Air Force Base, Oklahoma City, OK, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (ACTIVE DEVICES DIVISION)10/29/2026
OpenTwo 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 Authority11/17/2026
OpenPower 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 Power11/17/2026
OpenNearman 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 Chain12/11/2026
OpenEel River 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 Power12/1/2026
Open225 kVA Three-Phase Padmount Transformers

The City of Nixa is requesting bids for two new 225 kVA three-phase oil-filled padmount transformers with specified voltage, protection, fittings, labeling, and palletized delivery.

1111 West Kathryn Street, Nixa, MO, USA•Invitation for/to Bid (IFB/ITB)
City of Nixa11/6/2026
OpenDistribution Transformers

The City of Maryville is seeking bids for specified quantities of overhead, single-phase padmount, and three-phase padmount distribution transformers under a one-year contract with four possible one-year renewals.

Maryville, TN, USA•Invitation for/to Bid (IFB/ITB)
City of Maryville > Purchasing Department11/4/2026
Open18/24/30 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 Authority11/10/2026
OpenPower Auto Transformers

The Defense Logistics Agency is requesting 11 power auto transformers for delivery to the DLA Distribution Depot Oklahoma.

Tulsa, OK, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN)11/2/2026
Open750 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 Department10/30/2026
Open2027-2028 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 #111/4/2026
Open50 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 Department10/30/2026
Open61--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
OpenPower Transformers for Electrical Substations

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 Authority11/17/2026
OpenPower Transformers

The Defense Logistics Agency is requesting quotes for eight power transformers, NSN 6120-01-595-7610, with delivery required 50 days after award.

New Cumberland, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY10/30/2026
OpenTRANSFORMER, 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
OpenLegacy Park Substation Power Transformer #2

The City of Alachua is requesting sealed bids for Legacy Park Substation Power Transformer #2, with manually signed bids due for physical delivery by November 30, 2026.

Alachua, FL, USA•Invitation for/to Bid (IFB/ITB)
City of Alachua11/30/2026
OpenPotential Transformers

The Defense Logistics Agency is requesting quotes for nine potential transformers for delivery to DLA Distribution within 130 days after order.

956 Distribution Drive, Columbus, OH, USA•Request for Quote/Qualifications (RFQ)Service-Disabled Veteran-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN)11/5/2026
OpenNetwork Distribution Transformers

The City of Maryville is seeking bids for two network distribution transformer types, including three 300 kVA units and one 500 kVA unit, with delivery and detailed factory specifications.

Maryville, TN, USA•Invitation for/to Bid (IFB/ITB)
City of Maryville > Purchasing Department10/28/2026
Open500 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 Department10/30/2026
Open37.5 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 Department10/30/2026
Open750 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 Department10/31/2026
Frequently Asked Questions
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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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