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NAICS Code· 333923

NAICS 333923: Overhead Traveling Crane, Hoist, and Monorail System Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing overhead traveling cranes, hoists, and monorail systems. Illustrative Examples: Aerial work platforms manufacturing Automobile wrecker (i.e., tow truck) hoists manufacturing Block and tackle manufacturing Metal pulleys (except power transmission) manufacturing Winches manufacturing Cross-References. Establishments primarily engaged in--Show more

NAICS 333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing encompasses the design, fabrication, and assembly of heavy-duty material handling systems used in industrial and military environments. This includes overhead traveling cranes, electric hoists, monorail systems, and associated control mechanisms engineered for precision lifting, precise positioning, and safe load handling in demanding settings such as shipyards, aircraft assembly facilities, ordnance depots, and maintenance hangars.

46
Active Contracts
$124.2M
Total Obligations (12mo)
727
Awarded Contracts (12mo)
272
Contractors Awarded (12mo)
2
Median Bidders per Award
-25.5%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 333923.

AI Industry Description

NAICS 333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing encompasses the design, fabrication, and assembly of heavy-duty material handling systems used in industrial and military environments. This includes overhead traveling cranes, electric hoists, monorail systems, and as...

NAICS 333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing encompasses the design, fabrication, and assembly of heavy-duty material handling systems used in industrial and military environments. This includes overhead traveling cranes, electric hoists, monorail systems, and associated control mechanisms engineered for precision lifting, precise positioning, and safe load handling in demanding settings such as shipyards, aircraft assembly facilities, ordnance depots, and maintenance hangars. These systems are critical to logistics, maintenance, and production operations where manual lifting is impractical or unsafe, requiring compliance with stringent federal safety and engineering standards. In government contracting, this NAICS code supports defense infrastructure modernization, naval vessel construction, and aerospace component handling, positioning it as a niche but essential segment within the broader industrial equipment procurement landscape. Top contractors in this sector include ALLOY SLING CHAINS, LLC and TECH O. R., LLC, both specialized manufacturers with deep expertise in engineered lifting solutions. These firms operate as small business suppliers with focused capabilities in custom crane and hoist systems, often serving as subcontractors to larger defense integrators. The competitive landscape is characterized by technical specialization rather than scale, with contractors competing on engineering rigor, certification compliance, and ability to meet military specifications for durability and operational reliability. The Department of Defense is the primary federal buyer, driving demand through naval shipbuilding programs, Air Force maintenance facilities, and Army logistics centers. Procurement is tied to infrastructure upgrades, fleet modernization, and readiness initiatives requiring robust material handling infrastructure capable of operating in high-stress, high-safety environments. The market is concentrated among a small group of technically adept manufacturers with certified engineering capabilities. Opportunities exist for firms with expertise in ANSI/ASME B30 standards, corrosion-resistant materials, and automated control systems. Demand is steady and driven by long-term infrastructure lifecycle needs, favoring contractors with proven track records in defense-compliant manufacturing and rapid response to technical specifications.

Top Contractors

Companies with the highest total award value under NAICS 333923, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
REEL COH INC$14.8M1
MELTON SALES & SERVICE$14.5M2
SUPERIOR-LIDGERWOOD-MUNDY CORP$11.1M1
CANADIAN COMMERCIAL CORPORATION$7.9M2
WELIN LAMBIE LIMITED$6.5M10
MI-JACK PRODUCTS, INC.$6.3M4
METALTEK INTERNATIONAL, INC.$5.6M5
ADVANCED CRANE TECHNOLOGIES LLC$4.8M1
APPLETON MARINE INC$4.7M12
TRIMAN INDUSTRIES INC$3.6M27

Top Agencies

Federal agencies directing the most contract spending toward NAICS 333923.

Department Of Defense610 awards$84.9M
DLA Land Warren2 awards$14.7M
Department Of Homeland Security26 awards$12.5M
W6QK Lad Contr Office1 award$3.1M
DLA Troop Support35 awards$3.0M
Department Of Commerce6 awards$1.1M
FA8126 Afsc Pzimb2 awards$953K
DLA Land And Maritime5 awards$831K
W2SD Endist New York1 award$722K
Navair Warfare Ctr Aircraft Division1 award$490K

Competition

How many companies historically bid on federal awards in NAICS 333923, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 19,949 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

39%

Share of reported awards with one bidder

10+ Bidder Awards

6%

Share of reported awards with 10+ bidders

Reported Awards

0

94% of 21,166 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
333923This Code
Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
Fewer Bidders239%
19,94994% of 21,166
33392NAICS Industry
Fewer Bidders237%
67,62487% of 78,119
3339Industry Group
Other General Purpose Machinery Manufacturing
Fewer Bidders242%
556,42362% of 897,692
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 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing, by shared sector, subsector, and industry group.

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333912Same Industry GroupHigh Similarity

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333914Same Industry GroupHigh Similarity

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333921Same Industry GroupHigh Similarity

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This U.S. industry comprises establishments primarily engaged in manufacturing conveyors and conveyi...
333922Same Industry GroupHigh Similarity

Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing industrial trucks, tr...
333924Same Industry GroupHigh Similarity

Power-Driven Handtool Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing power-driven (e.g., b...
333991Same Industry GroupHigh Similarity

Welding and Soldering Equipment Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing welding and soldering...
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Packaging Machinery Manufacturing

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333993Same Industry GroupHigh Similarity

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NAICS 333923 FAQ

Frequently Asked Questions

NAICS code 333923 covers Overhead Traveling Crane, Hoist, and Monorail System Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing overhead traveling cranes, hoists, and monorail systems. Illustrative Examples: Aerial work platforms manufacturing Automobile wrecker (i.e., tow truck) hoists manufacturing Block and tackle manufacturing Metal pulleys (except power transmission) manufacturing Winches manufacturing Cross-References. Establishments primarily engaged in--

Recently Posted in Overhead Traveling Crane, Hoist, and Monorail System Manufacturing

NAICS: 333923
New
DIBBS
FAIRLEAD, SHEAVE
Solicitation # SPE8EE-26-T-2414
Solicitation SPE8EE-26-T-2414, issued by the Department of Defense through the Defense Logistics Agency, is a request for one Fairlead Sheave under National Stock Number 3950-01-701-4712. The procurement is categorized under NAICS code 333923 and requires delivery within 20 days after receipt of order to a destination in FPO 09564. Quotations were requested by September 8, 2026, with the primary point of contact being Philip Ferrara. This contract is subject to strict export control regulations under ITAR and EAR, as well as DFARS 252.225-7048. Access to technical data is restricted to DLA contractors with an approved US/Canada Joint Certification Program certification who have completed the required training and questionnaires. The solicitation adheres to the DLA Master Solicitation Revision 105 and includes standard FAR and DFARS clauses, Buy American requirements, and HUBZone preferences.
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NAICS: 333923
New
DIBBS
WEBBING ASSEMBLY, SI
Solicitation # SPE8EE-26-T-2413
This contract is for the procurement of four units of Webbing Assembly, SI, identified by NSN 3940-01-611-6518 and part number TTS2902X9G from Arabi Sling and Rigging Company, Inc. The order is managed under solicitation SPE8EE-26-T-2413 with a required delivery date of August 25, 2026, and a delivery timeframe of 20 days after the order. Shipping is FOB Origin, with inspection and acceptance occurring at the destination in Virginia Beach, Virginia. The supplier must adhere to specific technical and quality requirements outlined in the DLA Master List and ensure packaging complies with ASTM D3951 and MIL-STD-129, while palletization must follow RP001 guidelines. All shipments must be sent via traceable means to the CENSECFOR LS Little Creek address, and the use of parcel post is strictly prohibited. The contract also specifies that covered defense information may apply and requires the removal of government identification from any non-accepted supplies.
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NAICS: 333923
New
Federal
39--SLING,BEAM TYPE
Solicitation # N0038326QPC67
The contract pertains to the procurement of two beam-type slings, identified by NSN 1R-3940-010060933-LC and reference number 3402242-1, with delivery terms specified as FOB origin. This item is classified as flight critical, necessitating prior Government source approval before any contract award can be made, due to the inadequacy of available technical data to support full and open competition. Only previously approved sources have been solicited, and new vendors must submit comprehensive documentation as outlined in the NAVSUP Weapon Systems Support Source Approval Information Brochures, which include specific technical and production experience data depending on whether the item has been manufactured before. Proposals lacking complete approval documentation or evidence of a pending approval submission will be disqualified. If source approval cannot be finalized in time, award may still proceed based on Fleet operational requirements. The Government is not utilizing commercial item acquisition policies under FAR Part 12, though interested parties may propose alternative commercial solutions within fifteen days of the notice. All technical specifications, standards, and qualified product listings must be obtained through ASSIST-Online or the DoDSingle Stock Point, with no physical patterns or drawings available from these sources. Award is contingent upon the vendor, product, or manufacturer meeting all qualification standards at the time of award as per FAR clause 52.209-1. Additional inquiries should be directed to the primary point of contact at NAVSUP Weapon Systems Support, Abbey R. Ettinger, located in Philadelphia, Pennsylvania.
Navsup Weapon Systems Support

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NAICS: 333923
New
Federal
5 Ton Bridge Crane
Solicitation # W911KF26QA049
Solicitation W911KF26QA049 is a fixed-price request for the procurement and installation of one 5-ton top-running, single-girder bridge crane for Building 129 at the Anniston Army Depot in Alabama. The crane must be painted safety yellow and is intended to replace an existing unit to support operations for the 850-transmission test stand. The equipment must be designed and constructed by a certified CMAA shop and comply with CMAA moderate service requirements, OSHA 1910.179, ANSI B30.2, and NFPA 70/NEC Article 610 standards. The contractor is responsible for all labor and equipment required for installation and acceptance testing, which includes no-load, static, and dynamic load tests. Installation must be completed and the equipment operational within 60 calendar days of the start of work. This is a Small Business Set Aside under NAICS code 333923, utilizing a Lowest Price Technically Acceptable (LPTA) source selection process. Technical evaluations are conducted on a met/not met basis, and failure to provide the required technical literature and documentation will result in a proposal being deemed unacceptable. Deliverables include four printed and one electronic copy of operator and maintenance manuals and spare parts lists. All proposals must be submitted electronically via the Procurement Integrated Enterprise Environment (PIEE) Solicitation Module. The contractor must also adhere to strict safety and security protocols, including the submission of a site-specific safety plan and completion of Anti-Terrorism Level I Training for all personnel.
W6QK Acc Anad

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NAICS: 333923
New
DIBBS
39--WINCH,DRUM,POWER OPERA
Solicitation # SPE8EE-26-T-2402
The Department of Defense, through the Construction and Equipment Manufacturing and Construction agency, has issued solicitation SPE8EE-26-T-2402 for the procurement of four power operated drum winches under NSN 3950014156605. This is a source controlled drawing item with approved source 08302 B736A, and all furnished items must strictly adhere to the requirements of the cited drawing. The delivery destination is DLA Distribution San Joaquin, with a required delivery date of 145 days after the order is placed. This procurement is conducted as a Request for Quotation under NAICS code 333923. All interested and responsible sources may submit quotes electronically via the DIBBS system by the deadline of September 8, 2026. The solicitation includes standard FAR and DFARS clauses, domestic sourcing requirements, and specific inspection guidelines. Technical and special requirements are detailed in Section B of the solicitation document.
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NAICS: 333923
Awarded
DIBBS
39--HOIST,CHAIN
Solicitation # SPE8EE-26-T-2246
The contract solicitation SPE8EE-26-T-2246 seeks 33 units of a chain hoist identified by NSN 3950-01-436-4605, with delivery required within 169 days after order issuance to the DLA Distribution facility in New Cumberland, Pennsylvania. The item replaces an obsolete part number and is subject to strict export control under both ITAR and EAR regulations, with access restricted to contractors who hold an approved US/Canada Joint Certification Program certification, have completed mandatory DLA export control training, and have been formally authorized to handle controlled technical data. Compliance with DFARS 252.225-7048 is mandatory, and no export or disclosure to foreign persons, including subsidiaries and employees, is permitted without prior authorization. The procurement is structured as a total small business set-aside under FAR 19.5, with the NAICS code 333923 applying to the solicitation, and includes clauses requiring post-award representation of small business status, compliance with employment non-discrimination laws, anti-trafficking standards, and verified employment eligibility. All items must conform to MIL-STD-2073-1E for packaging and preservation, be marked per MIL-STD-129 and MIL-STD-130N including machine-readable Data Matrix codes, and be palletized according to DLA’s RP001 requirements. The contract mandates the use of WAWF for all invoicing and receiving reports, with no alternative methods permitted. Hazardous materials handling is governed by 29 CFR 1910.1200 and prohibits hexavalent chromium, while transportation by sea requires U.S.-flag vessels unless waived. Inspection and acceptance occur at the destination under FAR 52.246-2, with the contractor responsible for ensuring quality through an ISO 9001:2015-compliant system and adherence to MIL-STD-1916 sampling standards. Offerors must be registered in SAM.gov with a valid UEI and CAGE code, and must represent their small business status at submission. No contract pricing, option periods, or detailed evaluation factors are provided in the documentation, and award will be made without specification of whether it will be based on lowest price technically acceptable or trade-off. The contract incorporates a full suite of DFARS clauses addressing cybersecurity, payment processing, subcontracting, and restrictions on
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NAICS: 333923
New
DIBBS
SLING AND WIRE ROPE
Solicitation # SPE8EE-26-T-2408
This contract, solicitation number SPE8EE-26-T-2408, is for the procurement of 14 units of sling and wire rope under NSN 3940-01-599-9516. The delivery requirement is set for 117 days after the order is placed. The procurement is managed by the Department of Defense through the Defense Logistics Agency and is subject to specific technical and quality requirements found in the DLA master list. Compliance requirements include adherence to DLA packaging standards, CMMC Level 2 self-assessment, and the protection of covered defense information. Quality assurance must follow MIL-STD-1916 or ASQ H1331 sampling methods, with a focus on zero non-conformance for acceptance. Additionally, the contract contains technical data subject to ITAR or EAR export controls, requiring contractors to have approved JCP certification and completed specific DOD export-control training to access restricted data.
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NAICS: 333923
Closed
DIBBS
HOIST, CHAIN
Solicitation # SPE8EE-26-T-2318
This contract is for the procurement of two chain hoists with a 4,000 lb capacity and a 20 ft lift. The only acceptable part is Columbus McKinnon Corp P/N 2233, which is a 2 ton hoist with a 20 ft lift. The items are identified by NSN 3950-01-440-9557 and must be delivered within 20 days after the order is received. The agreement mandates strict adherence to DLA packaging requirements, specifically ASTM D3951 and MIL-STD-129, with palletization following RP001. It prohibits the intentional addition of mercury or mercury-containing compounds except in specific functional cases approved by NAVSEA. Delivery is FOB destination to the USNS Supply T AOE 6, and shipments must be made via traceable means rather than parcel post.
CONSTRUCTION & EQUIPMENT MANU & CON

POSTED

2 days ago

CLOSED

42 minutes ago
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NAICS: 333923
New
DIBBS
CRANE, OVERHEAD TRAV
Solicitation # SPE8EE-26-T-2407
This contract is for the procurement of one overhead traveling crane, identified by NSN 3950016852395 and part number H90-3-12/24 from The Caldwell Group, Inc. The agreement is managed by the Department of Defense under solicitation number SPE8EE-26-T-2407, with a required delivery date of August 21, 2024, and a delivery window of 20 days after the order. The shipment is designated as FOB Origin with inspection and acceptance occurring at the destination in Tucson, Arizona. Compliance is required for several technical and quality standards, including DLA packaging requirements, MIL-STD-129 for marking and labeling, and ASTM D3951 for packaging. The contract specifically mandates that shipping be conducted via traceable means rather than parcel post.
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NAICS: 333923
Closed
DIBBS
SPREADER, SLING
Solicitation # SPE8EE-26-T-2323
This solicitation, identified as SPE8EE-26-T-2323, is issued by the Department of Defense for the procurement of 260 units of sling spreaders under NSN 3940-01-643-8661. The contract requires delivery within 124 days after receipt of order and is categorized under NAICS code 333923. Performance is slated for New Cumberland, Pennsylvania, with a response deadline of August 24, 2026. The agreement mandates strict adherence to several regulatory and technical standards. Key requirements include CMMC Level 2 certification for third-party assessment and compliance with DLA packaging and government identification removal protocols. Furthermore, the contract is subject to rigorous export controls under ITAR and EAR regulations, requiring contractors to have an approved US/Canada Joint Certification Program certification and completed Department of Defense export-controlled technical data training to access sensitive information.
CONSTRUCTION & EQUIPMENT MANU & CON

POSTED

2 days ago

CLOSED

42 minutes ago
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NAICS: 333923
New
DIBBS
FAIRLEAD, TUBULAR
Solicitation # SPE8EE-26-T-2405
This solicitation, issued by the Department of Defense under solicitation number SPE8EE-26-T-2405, is for the procurement of 26 tubular fairleads identified by NSN 5342-01-603-0160. The contract requires delivery within 66 days after the order is placed and falls under NAICS code 333923. Performance is designated for New Cumberland, Pennsylvania, with Philip Ferrara serving as the primary point of contact. The agreement incorporates several critical technical and quality requirements from the DLA Master List, including specific packaging standards and documentation for source approval requests. It also mandates the removal of government identification from any non-accepted supplies and notes that regulations regarding covered defense information may apply. Responses to this solicitation are due by September 8, 2026.
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NAICS: 333923
New
DIBBS
SLING AND WIRE ROPE AS
Solicitation # SPE8EE-26-T-2411
This solicitation, identified as SPE8EE-26-T-2411, is for the procurement of 13 units of sling and wire rope assembly sets under NSN 3940-01-599-9516. The contract requires delivery within 159 days after the order is placed. It is managed by the Department of Defense through the Defense Logistics Agency and falls under NAICS code 333923. The agreement mandates strict adherence to DLA packaging requirements and quality sampling methods based on MIL-STD-1916 or ASQ H1331. Contractors must comply with CMMC Level 2 self-assessment and handle covered defense information accordingly. Additionally, the technical data associated with this item is subject to ITAR or EAR export controls, requiring contractors to have approved JCP certification and completed specific DOD export-control training to access the data.
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