NAICS 335311 – Power, Distribution, and Specialty Transformer Manufacturing

Browse 243+ active federal contract opportunities classified under NAICS 335311.

Recent Opportunities

• TRANSFORMER LOAD TAP CHANGER RETRO-FIT PROJECT
  Agency: ENERGY, DEPARTMENT OF Posted: Jul 27, 2026 Due: Aug 10, 2026 NAICS: 335311 Set-Aside: SBA
• 63--HORN,SIGNAL
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 335311 Set-Aside: SDVOSBC
• 61--POWER SUPPLY
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 7, 2026 NAICS: 335311 Set-Aside: SBA
• GE G500 Advanced Substation Gateway and GE G100 Ad
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 27, 2026 Due: Aug 12, 2026 NAICS: 335311 Set-Aside: SBA
• Transformers 1600 Watt
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 5, 2026 NAICS: 335311 Set-Aside: NONE Location: DE-RP
• Modular Three-Phase Uninterruptible Power Supply (UPS) System
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 3, 2026 NAICS: 335311 Set-Aside: NONE Location: TX
• SPRRA226R0052 MULTI NSN
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 19, 2026 NAICS: 335311 Set-Aside: NONE Location: AL
• 61--CABLE ASSEMBLY,SPEC
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 4, 2026 NAICS: 335311 Set-Aside: SBA
• INTEGRO, PREHEAT SHU
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 3, 2026 NAICS: 335311 Set-Aside: SBA
• USBL ARRAY
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 24, 2026 NAICS: 335311
• Procurement of 18 New 2 kVA 3-Phase Encapsulated Transformers for USCG Training Center Yorktown EM 'A' School.
  Agency: HOMELAND SECURITY, DEPARTMENT OF Posted: Jul 24, 2026 Due: Aug 7, 2026 NAICS: 335311 Set-Aside: SBA Location: VA
• Solicitation, Rack, Electrical Equipment, NSN 5975-01-549-7992
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 7, 2026 NAICS: 335311 Set-Aside: SBA
• Solicitation, Rack, Electrical Equipment, NSN 5975-01-549-7992
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 7, 2026 NAICS: 335311 Set-Aside: SBA
• WIRING HARNESS,BRAN
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 10, 2026 NAICS: 335311
• 61--POWER SUPPLY
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Aug 3, 2026 NAICS: 335311
• 63--DETECTOR,HEAT
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Jul 31, 2026 NAICS: 335311 Set-Aside: SBA
• DETECTOR,ICE
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Aug 24, 2026 NAICS: 335311
• 61--CABLE ASSEMBLY,SPEC
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 NAICS: 335311
• USBL ARRAY
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Aug 10, 2026 NAICS: 335311
• 61--WIRING HARNESS
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Jul 27, 2026 NAICS: 335311 Set-Aside: SBA
• 61--PANEL,POWER DISTRIB
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Aug 3, 2026 NAICS: 335311
• CABLE ASSEMBLY,SPEC
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Jul 29, 2026 NAICS: 335311
• CABLE ASSEMBLY,SPEC
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Aug 31, 2026 NAICS: 335311
• Full and Open Competition Request for Pad-Mounted Transformer, Vance AFB
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 NAICS: 335311 Set-Aside: NONE Location: OK
• 61--CABLE ASSEMBLY,SPEC
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 Due: Jul 31, 2026 NAICS: 335311 Set-Aside: SBA

Data sourced from SAM.gov. Updated daily. Last updated: July 28, 2026.