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NAICS Code· 321991

NAICS 321991: Manufactured Home (Mobile Home) Manufacturing

This U.S. industry comprises establishments primarily engaged in making manufactured homes (i.e., mobile homes) and nonresidential mobile buildings. Manufactured homes are designed to accept permanent water, sewer, and utility connections and although equipped with wheels, they are not intended for regular highway movement. Cross-References. Establishments primarily engaged in--Show more

NAICS 321991 – Manufactured Home (Mobile Home) Manufacturing covers the production of factory-built, transportable residential units designed for permanent or semi-permanent occupancy, typically installed on permanent foundations and connected to utilities. These homes are constructed in controlled environments to meet federal standards such as the HUD Code, ensuring structural integrity, fire safety, and energy efficiency.

19
Active Contracts
$14.8M
Total Obligations (12mo)
16
Awarded Contracts (12mo)
11
Contractors Awarded (12mo)
2
Median Bidders per Award
-32.3%
YoY Growth
Dotted
NAICS 321991 FAQ

Frequently Asked Questions

NAICS code 321991 covers Manufactured Home (Mobile Home) Manufacturing. This U.S. industry comprises establishments primarily engaged in making manufactured homes (i.e., mobile homes) and nonresidential mobile buildings. Manufactured homes are designed to accept permanent water, sewer, and utility connections and although equipped with wheels, they are not intended for regular highway movement. Cross-References. Establishments primarily engaged in--

Recently Posted in Manufactured Home (Mobile Home) Manufacturing

NAICS: 321991
New
SLED
Commercial Window SupplyThis subcontract opportunity involves the supply of commercial window units and associated hardware for prime contractors working on State of Alabama AIDT facility projects. The selected provider will be responsible for sourcing or manufacturing window units that adhere strictly to project specifications and ensuring the timely delivery of all materials and hardware directly to the project site. To be eligible for this contract, providers must possess a valid manufacturer's reseller authorization. The solicitation was posted on October 8, 2026, with a response deadline of October 20, 2026. This procurement falls under NAICS code 321991 and is managed through Project Support for the state of Alabama.
Project Support

POSTED

4 days ago

DEADLINE

in 8 days
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NAICS: 321991
New
SLED
Purchase, Delivery, and Set up of a Modular Home
Solicitation # 2139746
The Herkimer County Land Bank Corporation is soliciting proposals for a complete turnkey solution for the purchase, delivery, and installation of a new modular home located at 386 West Main Street, Little Falls, New York. The project requires a high-quality, energy-efficient 3-bedroom, 2-bathroom residence, approximately 1,500 to 2,000 square feet, in either a Ranch or Cape style. The scope of work encompasses factory construction, transportation, crane setting, utility connections for electrical, plumbing, and HVAC, and all necessary interior and exterior finishing to provide a move-in-ready home on a permanent foundation. All work must comply with the New York State Uniform Fire Prevention and Building Code and current NY State Energy Code, with a final completion deadline and issuance of the Certificate of Occupancy by July 31, 2027. Proposals are due by 4:00 PM EDT on November 2, 2026, and must be submitted as PDF files or as two hard copies to the land bank office in Herkimer. Submissions must include detailed company information, a project approach, floor plans, a project schedule, and warranty details. Bidders are required to provide an itemized cost proposal covering the home, delivery, site work, utility connections, and permits, with optional pricing for foundations and upgrades such as garages or solar panels. Evaluation of proposals will be weighted based on cost (40%), quality (25%), experience (20%), completeness (10%), and schedule/warranty (5%). Minority and Women-Owned Business Enterprises and Veteran Business Enterprises are encouraged to apply.
Herkimer County Land Bank Corporation

POSTED

5 days ago

DEADLINE

in 21 days
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NAICS: 321991
New
SLED
Window & Frame SupplyThis subcontract agreement involves the supply of window units, frames, and hardware for prime contractors working on Maryland Transit Administration facility projects. The selected provider is responsible for manufacturing or sourcing commercial-grade glass, aluminum or vinyl frames, locking hardware, and weather-stripping that strictly adhere to MTA specifications. All required components must be delivered directly to the designated project sites. The opportunity is categorized under NAICS code 321991 and was posted on October 6, 2026. Interested parties must submit their responses by the deadline of October 20, 2026. This contract ensures that all window installations across MTA facilities meet the necessary quality and durability standards for public transit infrastructure.
Maryland Transit Administration

POSTED

6 days ago

DEADLINE

in 8 days
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NAICS: 321991
New
SLED
Supply and Delivery of Modular Office TrailersThis subcontract involves the supply and delivery of three prefabricated modular office trailers to support prime contractors on City of Pasadena Police Department range projects. The scope of work requires the provision of two 63ft x 36ft units and one 44ft x 40ft unit, all constructed using current model materials and meeting specific technical specifications for installation. To be eligible, contractors must maintain active registration with SAM.gov, hold a valid City of Pasadena Business License, and be registered with the California Department of Industrial Relations for public works. The solicitation was posted on October 6, 2026, with a response deadline of October 21, 2026.
Police Department

POSTED

6 days ago

DEADLINE

in 9 days
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NAICS: 321991
New
SLED
Modular Offices/Trailers for Police Range
Solicitation # 2026-IFB-LM-0466
The City of Pasadena, California, is soliciting proposals for the purchase, delivery, and installation of three modular office units to provide additional workspace for the Pasadena Police Department. The requirement includes two units measuring at least 36 feet wide by 64 feet long with open workspaces, and one unit measuring at least 44 feet wide by 40 feet long. The selected vendor must handle the design, engineering, manufacturing, and installation of these units at a designated site in Pasadena, ensuring full compliance with the California Building Standards Code (Title 24), local fire codes, and ADA accessibility requirements. The contract will be awarded to the lowest responsive and responsible bidder. Performance must begin within 15 calendar days of the Notice to Proceed, with all work completed within 30 working days. Bidders must submit their proposals electronically via the City's eProcurement Portal by October 21, 2026, at 4:00 pm. Key compliance requirements include maintaining current representations and certifications in SAM.gov, providing a Unique Entity ID (UEI), and adhering to the Davis-Bacon Act, Buy America requirements, and FEMA telecommunications prohibitions. The contractor is responsible for all risk of loss until written acceptance is granted by the City following a final inspection. Invoicing is managed through the City's Vendor Invoice Portal, with payments processed on Tuesdays and Thursdays.
Police Department

POSTED

6 days ago

DEADLINE

in 9 days
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NAICS: 321991
Closed
Federal
54--IA-NEAL SMITH NWR-TEMP MODULAR OFFICE
Solicitation # 140F0S26Q0051
Solicitation 140F0S26Q0051 is a firm fixed price commercial services contract set aside for small businesses to provide a temporary modular office building at the Neal Smith National Wildlife Refuge in Iowa. The project involves the delivery, installation, modification, maintenance, and eventual removal of an approximately 36 by 56 foot modular office trailer to maintain administrative capacity during renovations of the existing headquarters and visitor center. The contractor is responsible for all utility integration, including the construction of potable water and sanitary sewer laterals and the installation of electrical service from the existing main distribution panel. Key technical requirements include ADA and ABA compliant accessible ramps with slip-resistant landings and low voltage wiring for phone and data services, though office furniture is not required. The total period of performance runs from November 30, 2026, to November 29, 2029, consisting of a base year and two option years. The facility must be fully set up with utilities and turned over for government occupancy by November 30, 2026, which also serves as the first day of billing. Award will be based on the lowest evaluated price from a responsible offeror who meets the minimum technical acceptability standards. Proposals must include a non-price section with floor plans, drawings, a written description, and an installation plan, as well as a completed price schedule. Invoicing is to be processed electronically through the Invoice Processing Platform.
Fws Contracting Activity

POSTED

7 days ago

CLOSED

about 11 hours ago
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NAICS: 321991
International
uPVC Window SupplyThis subcontract agreement involves the manufacture and supply of 44 unplasticized polyvinyl chloride uPVC window units for the District of Thunder Bay Social Services Administration Board. The selected provider is responsible for ensuring all units meet the specific requirements outlined in the Bid Call Document and managing the delivery of these units to the designated project sites to support prime contractors. The procurement process is categorized under NAICS code 321991. Interested parties must adhere to the timeline established by the agency, with the solicitation posted on October 2, 2026, and a response deadline set for October 20, 2026.
District of Thunder Bay Social Services Administration Board

POSTED

10 days ago

DEADLINE

in 8 days
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NAICS: 321991
SLED
Purchase and Installation of Trailers and Stairs-Los Alamitos, IFB 26-0042
Solicitation # 0000040512
The State of California, through the Department of Food and Agriculture, is seeking a contractor for the purchase and installation of modular office trailers and stairs in Los Alamitos. The scope of work includes the fabrication, purchase, delivery, and installation of these modular units. Interested vendors must submit their responses by October 27, 2026, at 2:00 PM. For further inquiries regarding the bid, contact Molly Porter via email at molly.porter@cdfa.ca.gov. Participation may require registration on the official State of California website.
State of California

POSTED

11 days ago

DEADLINE

in 15 days
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NAICS: 321991
SLED
Purchase and Installation of Trailers and Stairs-Los Alamitos, IFB 26-0042
Solicitation # 0000040512
The California Department of Food and Agriculture is seeking a contractor for the purchase, fabrication, delivery, and installation of modular office trailers and stairs in Orange, California. This solicitation, identified as IFB 26-0042, requires a provider capable of managing the full lifecycle of the modular office setup to meet the agency's operational needs. Interested parties must submit their responses by the deadline of October 27, 2026. The procurement process is being managed by the state of California, with Molly Porter serving as the primary point of contact for this project.
California Department of Food & Agriculture

POSTED

11 days ago

DEADLINE

in 15 days
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NAICS: 321991
International
Custom Metal Clad Wood Window FabricationThis subcontract agreement involves the custom fabrication and supply of eight metal clad wood window units for the Government of Yukon Historic Sites Unit. The scope of work requires the production of four fixed sash W-1 units and four single hung sash W-2 units, all featuring Single Low-E coating and Argon-filled double glazing. The exterior of the windows must be finished with Cool Grey metal cladding according to Pantone Cool Gray 9 C, while the interior wood is to remain unpainted. These units are to be delivered to prime contractors managing the specified government projects.
Government of Yukon

POSTED

11 days ago

DEADLINE

in 14 days
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NAICS: 321991
SLED
Exterior Door Material SupplyThis subcontract agreement with the Rowley Housing Authority involves the fabrication and supply of residential-grade exterior doors and all associated hardware, including locks, handles, and hinges. The selected provider is responsible for ensuring all materials meet the specific requirements of the Rowley Housing Authority and managing the delivery of these items directly to the project site located on Wilson Street in Chelmsford, Massachusetts. The solicitation for this material supply contract was posted on September 30, 2026, with a response deadline of October 21, 2026. Operating under NAICS code 321991, the contract focuses on providing essential exterior components to prime contractors to support housing authority projects.
RHA02 - Rowley Housing Authority

POSTED

12 days ago

DEADLINE

in 8 days
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NAICS: 321991
DIBBS
Non-Wood Board Lumber SupplierThis subcontract opportunity is for a supplier to provide non-wood board lumber to prime contractors supporting Defense Logistics Agency supply contracts. The selected vendor will be responsible for sourcing or manufacturing composite or synthetic board lumber, ensuring all materials are packaged according to ASTM D3951 standards and marked in compliance with MIL-STD-129. Deliveries are to be coordinated FOB Origin to March ARB, California. Interested parties must submit their responses by October 13, 2026, for this Department of Defense requirement categorized under NAICS code 321991.
Defense Logistics Agency

POSTED

13 days ago

DEADLINE

in about 13 hours
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