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NAICS Code· 235410

NAICS 235410: Masonry and Stone Contractors

NAICS 235410 - Masonry and Stone Contractors covers specialized construction services involving the installation and repair of brick, stone, concrete blocks, and related masonry materials. This includes the construction of foundations, retaining walls, facades, and structural masonry work.

2
Active Contracts
2
Median Bidders per Award
+0.0%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 235410.

AI Industry Description

NAICS 235410 - Masonry and Stone Contractors covers specialized construction services involving the installation and repair of brick, stone, concrete blocks, and related masonry materials. This includes the construction of foundations, retaining walls, facades, and structural masonry work. Within th...

NAICS 235410 - Masonry and Stone Contractors covers specialized construction services involving the installation and repair of brick, stone, concrete blocks, and related masonry materials. This includes the construction of foundations, retaining walls, facades, and structural masonry work. Within the government contracting landscape, these services are essential for the maintenance, renovation, and new construction of federal facilities, ranging from secure military installations to public-facing healthcare infrastructure. Major contractors operating in this sector include ALVAREZ INC and ENFIELD ENTERPRISES LLC, who maintain a significant presence in the federal marketplace. The competitive landscape typically consists of specialized trade contractors capable of meeting rigorous federal building codes and structural specifications. The primary buyers in this sector are the Department of Veterans Affairs and the Department of Defense. Demand is largely driven by the ongoing need for facility modernization, the upkeep of military bases, and the expansion of veterans' healthcare facilities.

Competition

How many companies historically bid on federal awards in NAICS 235410, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 337 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

36%

Share of reported awards with one bidder

10+ Bidder Awards

2%

Share of reported awards with 10+ bidders

Reported Awards

337

72% of 466 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

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
235410This Code
Masonry and Stone Contractors
Fewer Bidders236%
33772% of 466
23541NAICS Industry
Fewer Bidders236%
33772% of 466
2354Industry Group
Fewer Bidders225%
1,26273% of 1,720
235Subsector
Fewer Bidders232%
42,14885% of 49,771
23Sector
Construction
Fewer Bidders240%
1,132,66189% of 1,275,170

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.

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NAICS 235410 FAQ

Frequently Asked Questions

NAICS code 235410 stands for Masonry and Stone Contractors. It is a North American Industry Classification System code used by the federal government to classify business activity for procurement and contracting purposes.

Recently Posted in Masonry and Stone Contractors

NAICS: 235410
Closed
SLED
#57 Stone SupplyThis subcontract agreement involves the supply and delivery of #57 stone specifically for vault filling on projects managed by Greenville County Schools. The selected provider will be responsible for delivering the aggregate to designated sites in accordance with standard aggregate specifications to support prime contractors. The opportunity is categorized under NAICS code 235410 and is managed through Construction Services in South Carolina. Interested parties must submit their responses by the deadline of October 15, 2026.
Construction Services

POSTED

17 days ago

CLOSED

about 20 hours ago
View Details
NAICS: 235410
Closed
Federal
HVAC Automatic Cut-offs and Specialty Fittings SupplyThis subcontract under the Department of Defense for W6QM Micc-Ft Drum involves the supply of automatic cut-off valves and specialty duct fittings for prime contractors on HVAC projects. The scope includes providing components in diameters ranging from 3 to 16 inches, including stainless steel options, all of which must meet specific physical and functional performance standards. The opportunity is designated as a total Small Business Set Aside under NAICS code 235410. Interested parties must respond by October 1, 2026, for performance located in zip code 74501.
W6QM Micc-Ft Drum

POSTED

23 days ago

CLOSED

15 days ago
View Details
NAICS: 235410
SLED
Wood, Plastics, and CompositesThis subcontract for Wood, Plastics, and Composites involves providing rough carpentry and the installation of composite materials for HVAC upgrade projects at CUNY Brooklyn College. The scope of work specifically requires the delivery and installation of framing and blocking necessary for the mounting of HVAC equipment, serving as a subcontractor to prime contractors. The opportunity is managed by the state of New York under NAICS code 235410. It was posted on September 22, 2026, with a response deadline of October 30, 2026. Interested parties can find further details through the New York State Contract Repository.
New York

POSTED

24 days ago

DEADLINE

in 14 days
View Details
NAICS: 235410
Closed
Federal
High-Pressure Hydraulic System ComponentsThis subcontract through the General Services Administration involves the supply and delivery of high-pressure hydraulic repair components and A/C integration hardware for prime contractors on GSA equipment contracts. The scope of work includes sourcing and delivering hydraulic fittings, valves, pumps, and A/C cooling units specifically integrated into locker systems, ensuring all hardware meets strict high-pressure and A/C specifications through the provision of specialized component kits. The opportunity is categorized under NAICS code 235410 and was posted on September 17, 2026, with a response deadline of September 24, 2026. It is managed by the GSA FAS GSS QSCBD Assisted Contracting Branch B.
Gsa/fas/gss/qscbd/assisted Contracting Branch B

POSTED

29 days ago

CLOSED

22 days ago
View Details
NAICS: 235410
Closed
DIBBS
Supply of Hardware Item NSN 4720-01-15-00882This subcontract involves the supply of 145 units of hardware item NSN 4720-01-15-00882, which is a plumbing, heating, refrigerating, or air conditioning component. The contract is issued by the Department of Defense under the Fluid Handling Division and requires the contractor to manufacture or source items that adhere to the DLA Master List of Technical and Quality Requirements and DFARS 252.225-7001 Buy American standards. The performance of this contract will take place in New Cumberland, Pennsylvania. Interested parties must respond by September 28, 2026, for this requirement categorized under NAICS code 235410.
FLUID HANDLING DIVISION

POSTED

30 days ago

CLOSED

18 days ago
View Details
NAICS: 235410
Closed
SLED
Plumbing & Fire Protection Parts SupplierThis subcontract opportunity is for a Plumbing and Fire Protection Parts Supplier to provide new, recent-manufacture valves, seals, gaskets, and hardware for prime contractors working on Orange County Transportation Authority infrastructure projects. The supplier must provide components for fire hydrants and backflow devices that comply with California Public Contract Code Section 3400, ensuring all materials feature weather-resistant labeling and necessary health or physical hazard warnings. Managed by the California Operations-Maintenance-Administration under NAICS code 235410, the contract requires delivery of parts F.O.B. destination. The solicitation was posted on September 11, 2026, with a response deadline of October 8, 2026.
Operations-Maintenance-Administration

POSTED

about 1 month ago

CLOSED

8 days ago
View Details
NAICS: 235410
Closed
Federal
Cooling Tower Preventive Maintenance ServicesThis subcontract for the U.S. Embassy in Lima, Peru, involves providing annual preventive maintenance for two Marley NC8402HAN1 cooling towers. The scope of work includes cleaning air intake ports, droplet eliminators, and tanks, as well as lubricating fan shaft bearings and maintaining electric motors and control panels. The selected provider must deliver completed maintenance services along with typewritten reports. Eligible candidates must possess at least three years of relevant experience and maintain SCTR insurance. This opportunity is categorized under NAICS code 235410 and is managed by the Department of State. Interested parties must respond by September 7, 2026.
Usembassy Lima

POSTED

about 1 month ago

CLOSED

about 1 month ago
View Details
NAICS: 235410
Closed
DIBBS
Supply of Air Conditioning-Heating Pipe (NSN 4520014129556)This subcontract involves the manufacture or sourcing of specialized air conditioning-heating pipe under NSN 4520014129556 for prime contractors supporting Department of Defense supply contracts. The selected provider must ensure all materials adhere to the DLA Master List of Technical and Quality Requirements and meet specific packaging and labeling standards for the delivery of one unit to Texarkana, Texas. Compliance requirements include a CMMC Level 2 self-assessment and strict adherence to FAR 52.204-24. The opportunity is categorized under NAICS code 235410 and is managed through the Red River Receiving Building. Interested parties must submit their responses by September 14, 2026.
RED RIVER RECEIVING BLDG

POSTED

about 1 month ago

CLOSED

about 1 month ago
View Details
NAICS: 235410
Closed
Federal
HVAC/Plumbing Equipment SupplyThis subcontract opportunity is for the supply of HVAC and plumbing equipment, including chillers, boilers, furnaces, and plumbing fixtures, to support prime contractors on Department of Veterans Affairs Network Contract Office 12 projects. The selected provider is responsible for the procurement and freight transport of heavy machinery to the project sites and must deliver all specified equipment along with the corresponding manufacturer warranties. To be eligible, contractors must maintain status as a manufacturer-authorized dealership or distributor. This opportunity is designated as a Total Small Business Set-Aside under NAICS code 235410. Interested parties must submit their responses by September 9, 2026.
252-NETWORK Contract Office 12 (36C252)

POSTED

about 1 month ago

CLOSED

about 1 month ago
View Details
NAICS: 235410
SLED
HVAC Equipment Supply (Chillers)This subcontract involves the manufacture and delivery of two 245-ton water-cooled, rotary-screw water chillers for projects managed by the California Department of General Services. The equipment must be delivered to the project site in San Diego and include factory-installed refrigerant and oil, along with separate manufacturer-furnished devices, all while adhering to the specifications outlined in Section 23 64 26.16. The solicitation was posted on August 28, 2026, with a response deadline of October 21, 2026. Classified under NAICS code 235410, this opportunity is intended for suppliers capable of meeting the technical requirements for high-capacity HVAC equipment supply within the state of California.
California Department of General Services

POSTED

about 2 months ago

DEADLINE

in 6 days
View Details
NAICS: 235410
Closed
Federal
Hydraulic Dredging ServicesThis subcontract for Hydraulic Dredging Services involves performing specialized excavation work for prime contractors on USACE projects located within the Atchafalaya Basin, the Gulf Intracoastal Waterway, and the Atchafalaya River. The scope requires the operation of a cutterhead dredge with a minimum 27-inch ID pump discharge to create flotation channels that are 400 feet wide and maintain a uniform depth of 30 feet. To ensure consistent production rates, the contractor must utilize booster plants and submerged pumps. The primary objective is the delivery of dredged channels that strictly adhere to the specified depth and width requirements. This opportunity is associated with the Department of Defense and the W07V Endist New Orleans, with a response deadline of September 9, 2026.
W07V Endist New Orleans

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 235410
Closed
SLED
Plumbing Supplies and Hardware VendorThis subcontract opportunity with the Columbus Consolidated Government in Georgia seeks a vendor to provide plumbing materials and hardware for city building projects. The selected supplier will provide a wide range of products, including copper, PVC, and galvanized piping, water heater units, valves, and commercial-grade, ADA-compliant sinks, toilets, and faucets. The vendor is responsible for delivering these materials directly to the project sites and must ensure all sourcing complies with Buy America requirements. The solicitation was posted on August 11, 2026, with a response deadline of September 30, 2026. This contract falls under NAICS code 235410 and is designed to support prime contractors working on municipal infrastructure and building projects within the region.
Columbus Consolidated Government

POSTED

2 months ago

CLOSED

15 days ago
View Details

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