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NAICS Code· 333611

NAICS 333611: Turbine and Turbine Generator Set Units Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing turbines (except aircraft); and complete turbine generator set units, such as steam, hydraulic, gas, and wind. Cross-References. Establishments primarily engaged in--Show more

NAICS 333611 – Turbine and Turbine Generator Set Units Manufacturing covers the design, assembly, and integration of steam, gas, and hydroelectric turbine systems along with their associated generator sets used for power generation in mission-critical applications. This sector produces high-efficiency rotating machinery that converts thermal or kinetic energy into electrical power, often deployed in remote installations, military bases, naval vessels, and federal infrastructure requiring reliable off-grid or backup power.

57
Active Contracts
$138.5M
Total Obligations (12mo)
873
Awarded Contracts (12mo)
205
Contractors Awarded (12mo)
1
Median Bidders per Award
-8.4%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 333611.

AI Industry Description

NAICS 333611 – Turbine and Turbine Generator Set Units Manufacturing covers the design, assembly, and integration of steam, gas, and hydroelectric turbine systems along with their associated generator sets used for power generation in mission-critical applications. This sector produces high-efficien...

NAICS 333611 – Turbine and Turbine Generator Set Units Manufacturing covers the design, assembly, and integration of steam, gas, and hydroelectric turbine systems along with their associated generator sets used for power generation in mission-critical applications. This sector produces high-efficiency rotating machinery that converts thermal or kinetic energy into electrical power, often deployed in remote installations, military bases, naval vessels, and federal infrastructure requiring reliable off-grid or backup power. These systems are engineered to meet stringent environmental, safety, and durability standards, and frequently incorporate advanced control systems, redundant cooling, and fuel-flexible combustion technologies. In government contracting, this NAICS supports energy resilience, expeditionary operations, and critical facility continuity programs. Top contractors in this sector include COLORADO STANDBY, LLC and ALLOY SLING CHAINS, LLC, both of which operate as specialized small businesses with niche expertise in turbine system integration, component fabrication, and field servicing. Their presence reflects a competitive landscape dominated by agile, technically focused firms rather than large primes, indicating strong demand for specialized manufacturing and maintenance capabilities tailored to rugged operational environments. The Department of the Interior and the Department of Defense are the primary federal buyers, driving demand through energy independence initiatives, remote facility electrification, and expeditionary power needs for forward operating bases and coastal infrastructure. These agencies prioritize systems that support mission continuity under austere conditions, often requiring ruggedized, low-maintenance turbine-generator units capable of long-duration operation with minimal logistical support. The market is characterized by high technical barriers to entry and a concentration of procurement among contractors with proven experience in military-grade power systems. Opportunities exist for firms with certifications in AS9100, ISO 13485, or defense supply chain compliance, particularly those offering modular, scalable, and fuel-adaptive turbine solutions. Growing emphasis on energy resilience and microgrid integration is increasing demand for turnkey turbine generator packages in both new construction and retrofits.

Top Contractors

Companies with the highest total award value under NAICS 333611, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
AAR SUPPLY CHAIN, INC$30.7M210
HONEYWELL INTERNATIONAL INC.$23.0M119
CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION$7.5M1
ARGO TURBOSERVE CORPORATION$6.0M34
DEFENSE MARITIME SOLUTIONS, INC.$5.4M3
AEROCONTROLEX GROUP, INC.$5.2M30
HAMILTON SUNDSTRAND CORPORATION$4.0M1
CURTISS-WRIGHT ELECTRO-MECHANICAL CORP$3.6M11
UNISON INDUSTRIES LLC$3.5M4
TETRAD SERVICES, INC.$3.5M1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 333611.

Department Of Defense785 awards$113.4M
DLA Aviation23 awards$7.2M
Ut DLA Aviation At Ogden3 awards$6.4M
DLA Land And Maritime18 awards$3.5M
Department Of Defense (dod)34 awards$3.4M
National Aeronautics And Space Administration1 award$3.0M
DLA Maritime - Puget Sound1 award$241K
Department Of The Interior2 awards$131K
Department Of Homeland Security2 awards$111K

Competition

How many companies historically bid on federal awards in NAICS 333611, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 20,350 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

59%

Share of reported awards with one bidder

10+ Bidder Awards

6%

Share of reported awards with 10+ bidders

Reported Awards

0

86% of 23,613 total awards

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
333611This Code
Turbine and Turbine Generator Set Units Manufacturing
Usually Single-Bid159%
20,35086% of 23,613
33361NAICS Industry
Fewer Bidders239%
323,28546% of 705,301
3336Industry Group
Engine, Turbine, and Power Transmission Equipment Manufacturing
Fewer Bidders239%
323,28546% of 705,301
333Subsector
Fewer Bidders245%
1,795,54757% of 3,141,408
33Sector
Manufacturing
Fewer Bidders244%
16,852,66969% of 24,321,569

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Turbine and Turbine Generator Set Units Manufacturing, by shared sector, subsector, and industry group.

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333612Same Industry GroupHigh Similarity

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333613Same Industry GroupHigh Similarity

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333618Same Industry GroupHigh Similarity

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333111Same SubsectorMedium Similarity

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NAICS 333611 FAQ

Frequently Asked Questions

NAICS code 333611 covers Turbine and Turbine Generator Set Units Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing turbines (except aircraft); and complete turbine generator set units, such as steam, hydraulic, gas, and wind. Cross-References. Establishments primarily engaged in--

Recently Posted in Turbine and Turbine Generator Set Units Manufacturing

NAICS: 333611
New
DIBBS
FIXTURE, TRANSFER
Solicitation # SPE4A6-26-T-19FG
This solicitation, identified as SPE4A6-26-T-19FG, is issued by the Department of Defense ASC Commodities Division for the procurement of two transfer fixtures under NSN 2835-01-078-2084. The contract is a total small business set-aside under NAICS code 333611. Delivery is required within 171 days after order, with a need ship date of February 14, 2027, and an original required delivery date of May 1, 2027. The items are to be delivered FOB Origin to the DLA Distribution DDSP New Cumberland facility in Pennsylvania, with inspection and acceptance occurring at the destination. The procurement is subject to strict quality and technical requirements, including DLA packaging requirements RP001 and tailored higher level quality requirements RQ001. Sampling must adhere to MIL-STD-1916 or ASQ H1331, and the use of mercury or mercury-containing compounds is prohibited except where functionally required. Item Unique Identification is not required for this order. Approved sources include General Electric Company, Rhinestahl Corporation, and Lincoln Electric Automation Inc. Technical data for this NSN is currently proprietary or insufficient for competitive procurement.
ASC COMMODITIES DIVISION

POSTED

2 days ago

DEADLINE

in about 21 hours
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NAICS: 333611
New
DIBBS
BLADING SET, TURBINE
Solicitation # SPE7L1-26-T-971M
Solicitation SPE7L1-26-T-971M is a fixed-price request for quotations issued by DLA Land and Maritime for the procurement of one turbine blading set, identified as a critical application item under NSN 2825009618340. The requirement specifically calls for Siemens Energy, Inc. part numbers 410-0523, F5831PC4, and F5831PT4. This procurement is designated as a total small business set-aside under FAR 52.219-6. The original required delivery date is August 13, 2026, with a delivery lead time of five days after order. The items are to be delivered FOB Origin to Soto Cano Air Base in Comayagua, Honduras, with both inspection and acceptance occurring at the destination. The contract mandates strict adherence to DLA Master List technical and quality requirements, specifically RA001, and packaging standards RP001 and ASTM D3951, with all shipments labeled according to MIL-STD-129. Compliance with the Buy American Act, the Berry Amendment, and DFARS cybersecurity standards for safeguarding covered defense information is required. Invoicing and receiving reports must be processed electronically through the Wide Area WorkFlow system. Quotations must be submitted via the DLA Internet Bid Board System (DIBBS) by August 27, 2026.
LAND SUPPLY CHAIN

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in 2 days
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NAICS: 333611
New
Federal
28--BLADE,TURBINE ENGIN, IN REPAIR/MODIFICATION OF
Solicitation # N0010426QUC28
This presolicitation, issued by the Navsup Weapon Systems Support Mech under solicitation number N0010426QUC28, is for the repair or modification of 72 turbine engine blades identified by NSN 7H-2835-014578177. Delivery is specified as FOB Origin. The government does not possess the data rights for this part and has determined that purchasing such rights or reverse engineering the component is uneconomical. Technical specifications and standards may be obtained through the DoD Single Stock Point or the ASSIST-Online portal, though specific patterns and drawings are not stocked there. Award eligibility requires that the offeror, manufacturer, or product meets all qualification requirements per FAR clause 52.209-1 at the time of award. While the government is not currently utilizing FAR Part 12 for commercial item acquisition, interested parties may notify the contracting officer of their ability to provide a commercial alternative within 15 days of the notice. Responses are due by September 28, 2026, and inquiries should be directed to Leigh E. Catchings.
Navsup Weapon Systems Support Mech

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2 days ago

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in 29 days
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NAICS: 333611
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SLED
Skid-Mount Mobile Diesel Generator Supply
Cherokee Nation

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NAICS: 333611
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DIBBS
NOZZLE SEGMENT, TURB
Solicitation # SPE4A7-25-Q-0707
The Defense Logistics Agency awarded General Electric Company, identified by CAGE code 07482, a contract valued at $940,141.96 for the delivery of a nozzle segment for turbine applications, identified by NSN 2840017137560 and part number PR 7007259390. This award was issued under delivery order SPE4A124G0014, resulting from solicitation SPE4A7-25-Q-0707, which was set aside exclusively for small businesses according to SBA guidelines under FAR 19.5. The contract was awarded on July 23, 2026, following a response deadline of March 15, 2025, and falls under the NAICS code 333611 for aerospace product and parts manufacturing. The performing entity is a federal agency under the Department of Defense, with no specific place of performance details provided beyond the U.S. location. The award was posted on DIBBS and is accessible via the official DLA procurement portal.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

N/A
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NAICS: 333611
New
DIBBS
NOZZLE ASSEMBLY CON
Solicitation # SPE4A5-26-T-377G
This contract is for the procurement of eight containment nozzle assemblies, identified as commercial critical application items with part number 364967-4 from Honeywell International Inc. The agreement specifies a delivery timeline of 169 days after order, with a required delivery date of February 8, 2028, and shipping destined for the DLA Distribution Depot Hill at Hill AFB, Utah. The contract mandates strict adherence to quality and technical standards, including CMMC Level 2 self-assessment and specific sampling methods per MIL-STD-1916 or ASQ H1331. Packaging and marking must comply with MIL-STD-2073-1E and MIL-STD-129, while palletization follows DLA procurement requirements. Inspection and acceptance will occur at the destination, and the contract prohibits any quantity variance.
ASC SUPPLIER OPER OEM DIVISION

POSTED

3 days ago

DEADLINE

in about 21 hours
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NAICS: 333611
New
DIBBS
RUNNER-SEAL, GEARSHA
Solicitation # SPE4A1-26-T-2701
This contract is for the procurement of four units of a runner seal gearshaft assembly, identified as part number 3021665 by Pratt & Whitney Canada Corp and NSN 2840002423485. The item is designated as a critical application item. Delivery is required within 162 days, with a need ship date of February 14, 2027, and a final required delivery date of December 11, 2027. Shipping is FOB Origin, with inspection and acceptance occurring at the destination, DLA Distribution Cherry Point in North Carolina. The agreement mandates strict adherence to DLA technical and quality requirements, including CMMC Level 2 self-assessment, covered defense information protocols, and specific packaging and marking standards per MIL-STD-129 and MIL-STD-2073-1E. Quality assurance will be managed through sampling methods aligned with MIL-STD-1916 or ASQ H1331, utilizing a zero-based sampling plan. Additional compliance is required for configuration change management, source approval requests, and the removal of government identification from non-accepted supplies.
AVIATION SUPPLY CHAIN

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3 days ago

DEADLINE

in 5 days
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NAICS: 333611
Awarded
DIBBS
SHROUD SEGMENT, TURB
Solicitation # SPE4A7-26-T-6609
The contract involves the procurement of 11 units of the NSN 2840145675402 Shroud Segment, Turbine, to be delivered to DLA Distribution San Joaquin within 161 days after order. This is a combined-type solicitation issued by DLA Aviation under solicitation number SPE4A726T6609, with a response deadline of December 29, 2025. The procurement targets the NAICS code 333611, related to turbine and power transmission equipment manufacturing. Only quotes submitted electronically through the referenced RFQ will be considered, as no hard copies or physical specifications are provided. Approved sources for the item include two specific part numbers, ensuring product consistency and compliance. All responsible suppliers interested in submitting a quote are invited to respond timely, with no set-aside restrictions indicated. The procurement process is fully electronic, with solicitation details and submission managed via the specified online platform. Questions can be directed to the designated buyer through the provided email or the relevant webpages to facilitate communication. The office managing this contract is located in Richmond, Virginia, under the Department of Defense’s DLA Aviation organization.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

N/A
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NAICS: 333611
New
DIBBS
DUCT, EXHAUST, NONAIR
Solicitation # SPE4A6-26-T-20PC
This solicitation, identified as SPE4A6-26-T-20PC and issued by the Department of Defense ASC Commodities Division, is for the procurement of one non-aircraft gas turbine engine exhaust duct, part number 2835-01-480-9657. The requirement specifies a delivery timeline of 10 days after receipt of order, with the place of performance located at Fort Stewart. The acquisition is subject to strict quality and technical standards, including DLA packaging requirements, physical identification and bare item marking, and specific sampling methods aligned with MIL-STD-1916 or ASQ H1331. The contract mandates high security and compliance standards, requiring CMMC Level 2 certification from a Third-Party Assessment Organization. Additionally, the item contains technical data subject to ITAR or EAR export controls, restricting disclosure to authorized persons and requiring contractors to have an approved US/Canada Joint Certification Program certification. Offerors must adhere to the DLA Master List of Technical and Quality Requirements and submit quotations via the DIBBS system by the specified deadline.
ASC COMMODITIES DIVISION

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NAICS: 333611
Awarded
DIBBS
BRACKET, DUCT
Solicitation # SPE4A7-26-T-616K
Solicitation SPE4A7-26-T-616K, issued by the Department of Defense ASC Supplier Oper AE and AF Div, is for the procurement of 36 units of Duct Brackets (NSN 2840-01-666-6902). The contract specifies a delivery requirement of 190 days after the date of award, with an original required delivery date of September 10, 2027. Shipments are to be delivered FOB Destination to DLA Distribution Cherry Point in North Carolina. The procurement is categorized under NAICS code 333611 and identifies the item as a critical application part, referencing Thermal Structures, Inc and General Electric Company as associated part number sources. Quality and compliance requirements are stringent, with inspection and acceptance occurring at the origin. Sampling must adhere to MIL-STD-1916 or ASQ H1331, and the manufacturer's system must comply with SAE AS9003 or ISO 9001. Packaging and marking must follow MIL-STD-2073-1E and MIL-STD-129, with specific palletization requirements per RP001. The contract incorporates various FAR and DFARS clauses, including those for hazardous material identification, sustainable products, and NIST SP 800-171 cybersecurity assessments. All invoicing and payment requests must be processed through the Wide Area WorkFlow system.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

N/A
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NAICS: 333611
New
Federal
REPLACE GENSETS ON YDT-2
Solicitation # N62789-26-Q-1008
Solicitation N62789-26-Q-1008 is a brand-name specific request for the procurement of two Kohler 40EKOZD Marine GENSETs. This is a 100 percent small business set-aside under NAICS code 333611, intended to result in a single firm fixed price award. To be eligible, offerors must be authorized Kohler Dealers or Distributors and must be active in the System for Award Management. The contract includes requirements for delivery to Naval Submarine Base New London in Groton, Connecticut, with a required delivery date of March 1, 2027. Shipments must occur Monday through Friday between 0700 and 1330 EST. Quotes are due by 12:00 PM EST on September 11, 2026, and will be evaluated based on the lowest priced technically acceptable offer. Submissions must include company details, a quote expiration date, and confirmation of the delivery schedule and shipping costs.
Supply Of Shipbuilding Groton

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NAICS: 333611
New
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High Speed Gear Supply
Navsup Flt Logistics Ctr Puget Sound

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