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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.

13
Active Contracts
$14.8M
Total Obligations (12mo)
16
Awarded Contracts (12mo)
11
Contractors Awarded (12mo)
2
Median Bidders per Award
-88.7%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 321991.

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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
Federal
54--IA-NEAL SMITH NWR-TEMP MODULAR OFFICE
Solicitation # 140F0S26Q0051
The U.S. Department of the Interior, through the Fish and Wildlife Service, is seeking interest from vendors capable of providing a temporary modular office space measuring 36 feet by 56 feet with full utility hookups for use at the Neal Smith National Wildlife Refuge in Prairie City, Iowa. The requirement is for a single unit with specified dimensions and infrastructure compatibility, and detailed layout drawings are available in the attached Statement of Work. Interested businesses of all sizes are invited to respond by emailing robert_sung@fws.gov with a statement of interest and their CAGE code included directly in the email body, and must reference solicitation number 140F0S26Q0051 in the subject line; no attachments are permitted. The solicitation was posted on July 10, 2026, and responses are due by 5:00 PM Eastern Time on July 21, 2026. The North American Industry Classification System code is 321991, and the point of contact is Robert Sung, reachable via phone at 503-872-2825. The contracting office is located in Falls Church, Virginia.
Over Sat G/s Fws

POSTED

1 day ago

DEADLINE

in 4 days
View Details
NAICS: 321991
SLED
Glulam Beam Supply and InstallationThis subcontract for Glulam Beam Supply and Installation involves the supply, delivery, handling, and installation of glued-laminated timber beams in Portland, Oregon. All work must be performed according to structural designs and industry standards, specifically ensuring compliance with AF&PA and TPI 1 specifications. The project is managed by the Oregon Facilities agency under NAICS code 321991. Interested parties must submit their responses by the deadline of September 8, 2026, following the posting date of August 20, 2026.
Facilities

POSTED

9 days ago

DEADLINE

in 11 days
View Details
NAICS: 321991
Federal
RFQ: Supply and Installation of Prefabricated Modular Office Units at PRARNG Camp Santiago
Solicitation # W912LR26QA042
The Puerto Rico Army National Guard is seeking quotes for the purchase and installation of four prefabricated commercial office modular trailers, ranging from 24' x 72' to 24' x 80', at the Camp Santiago Joint Training Center in Salinas, Puerto Rico. This acquisition is a 100% small business set-aside under NAICS code 321991. The successful contractor must deliver and install the units within 120 calendar days after receiving the order. The contract will be awarded as a firm-fixed-price purchase order to the lowest-priced, conforming quotation. Submissions must be delivered electronically by September 11, 2026, and must include a priced quote and a technical suitability volume. Technical requirements include specific wind ratings of 140-180 mph, coastal corrosion resistance, and a minimum 12-month warranty. Additionally, bidders must demonstrate compliance with the Non-Manufacturer Rule and limitations on subcontracting to be considered conforming.
W7PA Uspfo Activity Pr Arng

POSTED

12 days ago

DEADLINE

in 14 days
View Details
NAICS: 321991
SLED
Preservative-Treated Wood InstallationThe California Department of Parks and Recreation is seeking a subcontractor for the supply and installation of preservative-treated wood components in Calaveras. The project requires the use of pressure-treated lumber that adheres to AWPA U1 standards and must be kiln-dried to a moisture content of 19 percent or less. This opportunity is categorized under NAICS code 321991 and was posted on August 14, 2026. Interested parties must submit their responses by the deadline of September 15, 2026.
California Department of Parks & Recreation

POSTED

14 days ago

DEADLINE

in 18 days
View Details
NAICS: 321991
Closed
Federal
Utility Poles and Cross-Arms SupplyThis subcontract with the Department of Defense involves the supply of treated wood and composite utility poles along with cross-arms. All provided materials must adhere to ANSI O5.1 and AWPA standards to ensure proper structural strength and preservation. The procurement is categorized under NAICS code 321991 and will be performed at JBPHH in zip code 96860. Interested parties must submit their responses by August 28, 2026, following the posting date of August 14, 2026.
FA5215 766 Ess Pkp

POSTED

15 days ago

CLOSED

1 day ago
View Details
NAICS: 321991
SLED
Glu-Lam Timber Framing for Structure #17This subcontract involves the fabrication and installation of glue-laminated timber framing and decking for the replacement of structure 17, as specified under Alternate 2. The project is being managed by the City of Raleigh in North Carolina and falls under NAICS code 321991. The solicitation was posted on August 13, 2026, with a response deadline set for September 29, 2026, at 4:00 PM. Interested parties can find further details through the North Carolina electronic vendor portal.
City of Raleigh

POSTED

16 days ago

DEADLINE

in about 1 month
View Details
NAICS: 321991
Closed
SLED
Treated Wood Supply and MillworkThe City of San Clemente is seeking a subcontractor for the supply of treated wood and millwork under NAICS code 321991. The contract requires the provision of kiln-dried, arsenic-free lumber that is properly graded, stamped, and compliant with AWPA M4 standards. All materials must feature factory treatment marks, and the contractor is responsible for providing field treatment for all cut ends. This opportunity was posted on August 12, 2026, with a response deadline of August 27, 2026. The work will be performed in San Clemente, California, zip code 92672. Interested parties can find further details and submission guidelines through the BidAmerica portal.
City of San Clemente

POSTED

16 days ago

CLOSED

1 day ago
View Details
NAICS: 321991
Federal
Supply of Pressure-Treated Service BackboardThis subcontract opportunity, issued by the Department of Homeland Security under Base SEATTLE, involves the supply and installation of a pressure-treated wooden backboard designed to support electrical components on a utility pole. The project is located in Charleston, zip code 97420, and falls under NAICS code 321991. The contract is designated as a total Small Business Set Aside. Interested parties must submit their responses by the deadline of September 2, 2026, at 3:00 PM. The solicitation was officially posted on August 12, 2026.
Base SEATTLE(00033)

POSTED

17 days ago

DEADLINE

in 5 days
View Details
NAICS: 321991
Closed
Federal
Modular Facility Design & Integration for Military Training BuildingThis subcontract opportunity involves the design and on-site integration of modular or panelized building systems for a military training facility at Fort Sill, Oklahoma. The project specifically supports IFPC/M-SHORAD systems and must align with Army industrialized construction policies to ensure rapid deployment and cost efficiency. The contract is being managed by the Department of Defense through the W076 Endist Tulsa office under NAICS code 321991. Interested parties must submit their responses by August 28, 2026, following the posting date of August 11, 2026.
W076 Endist Tulsa

POSTED

18 days ago

CLOSED

about 6 hours ago
View Details
NAICS: 321991
Closed
SLED
Specialty Lumber or Millwork Supply (Niche Supplier)
Department of Corrections

POSTED

18 days ago

CLOSED

1 day ago
View Details
NAICS: 321991
Federal
Modular and Off-Site Construction FabricationThe contract entails the design, fabrication, and delivery of modular building units for rapid deployment on federal sites managed by the Bureau of Indian Affairs under the Department of the Interior. These units include classrooms, medical facilities, and administrative modules constructed using off-site methods to ensure efficiency, quality control, and timely installation. The work will be executed under a subcontract arrangement with a NAICS code of 321991, indicating classification within miscellaneous wood product manufacturing, consistent with modular construction practices. The project is intended to support critical infrastructure needs on tribal lands and other federal locations where traditional construction is impractical or too time-intensive. The solicitation was posted on August 7, 2026, with a firm deadline for responses set for September 4, 2026, at 9:00 p.m. No specific location for performance has been designated, allowing flexibility for delivery to various federal sites as required. The contract does not specify a set-aside designation, meaning it is open to eligible general contractors or subcontractors without preference for small, minority-owned, or other certified businesses. The opportunity is accessible through the SAM.gov platform, and while no point of contact details are provided, interested parties must comply with all terms and specifications outlined in the full solicitation to be considered.
Bureau Of Indian Affairs

POSTED

22 days ago

DEADLINE

in 7 days
View Details
NAICS: 321991
Federal
SOLICITATION NUMBER 391124 “WARM CONSTRUCTION MOBILE OFFICES”
Solicitation # SOLICITATION_NUMBER_391124
Hanford Tank Waste Operations & Closure, LLC is seeking proposals for Warm Construction Mobile Offices to support its prime contract with the U.S. Department of Energy, Office of River Protection. The solicitation, numbered 391124, was posted on August 6, 2026, with responses due by September 9, 2026, and is classified as a sources-sought notice to gather market information rather than a formal procurement. The work is associated with NAICS code 321991, which pertains to other wood product manufacturing, indicating the mobile offices may involve custom or specialized construction elements. Proposals should be directed to Melinda Diaz, the primary point of contact, via email at melinda_s_diaz@rl.gov or phone at 509-376-3238, and the performance location is in Richland, Washington, with a zip code of 99352. The solicitation does not indicate any set-aside designation, meaning it is open to all eligible contractors without restrictions based on business size or ownership type.
Hanford Tank Waste Operations & Closure Llc - DOE Contractor

POSTED

23 days ago

DEADLINE

in 12 days
View Details

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