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NAICS Code· 327991

NAICS 327991: Cut Stone and Stone Product Manufacturing

This U.S. industry comprises establishments primarily engaged in cutting, shaping, and finishing granite, marble, limestone, slate, and other stone for building and miscellaneous uses. Stone product manufacturing establishments may mine, quarry, or purchase stone. Cross-References. Establishments primarily engaged in--Show more

NAICS 327991 – Cut Stone and Stone Product Manufacturing encompasses the production of dimension stone, carved stone, architectural stone elements, and other fabricated stone products used in construction, landscaping, and historic preservation. This sector includes the cutting, shaping, polishing, and finishing of natural stone such as granite, limestone, marble, and sandstone into custom forms for structural, decorative, or commemorative applications.

15
Active Contracts
$66.0M
Total Obligations (12mo)
60
Awarded Contracts (12mo)
27
Contractors Awarded (12mo)
2
Median Bidders per Award
-14.5%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 327991.

AI Industry Description

NAICS 327991 – Cut Stone and Stone Product Manufacturing encompasses the production of dimension stone, carved stone, architectural stone elements, and other fabricated stone products used in construction, landscaping, and historic preservation. This sector includes the cutting, shaping, polishing, ...

NAICS 327991 – Cut Stone and Stone Product Manufacturing encompasses the production of dimension stone, carved stone, architectural stone elements, and other fabricated stone products used in construction, landscaping, and historic preservation. This sector includes the cutting, shaping, polishing, and finishing of natural stone such as granite, limestone, marble, and sandstone into custom forms for structural, decorative, or commemorative applications. In government contracting, this NAICS supports infrastructure modernization, national park maintenance, federal building restoration, and memorial construction projects requiring durable, aesthetically precise stone materials. The work often involves adherence to historic preservation standards and requires specialized craftsmanship, quarrying logistics, and precision fabrication capabilities. DAP CONSTRUCTION MANAGEMENT LLC is the leading contractor in this sector, demonstrating strong capabilities in delivering complex stone fabrication and installation services under federal contracts. The competitive landscape is dominated by niche fabricators with expertise in architectural stone, often small businesses or specialized trades with proven experience in heritage restoration and high-end masonry work. Competition is limited by the technical demands of stone processing and the need for site-specific customization. The Department of the Interior is the primary federal buyer, driving demand through its stewardship of national parks, monuments, and historic sites. Agency spending is concentrated in preservation initiatives, trail and visitor center construction, and the restoration of landmark structures requiring authentic, long-lasting stone materials. Procurement is often tied to environmental compliance and cultural resource management mandates. The market is characterized by low contractor density and high barriers to entry due to equipment costs, material sourcing constraints, and specialized labor requirements. Opportunities exist for firms with established stone fabrication facilities, experience in federal preservation programs, and familiarity with ASTM and NPS guidelines. Demand remains steady through long-term infrastructure and cultural heritage projects, favoring contractors with proven track records in precision stone work.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 327991 work as a small business.

500 employees
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

Companies with the highest total award value under NAICS 327991, ranked by dollars won.

Competition

How many companies historically bid on federal awards in NAICS 327991, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 4,113 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

46%

Share of reported awards with one bidder

10+ Bidder Awards

1%

Share of reported awards with 10+ bidders

Reported Awards

4,113

89% of 4,635 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
327991This Code
Cut Stone and Stone Product Manufacturing
Fewer Bidders246%
4,11389% of 4,635
32799NAICS Industry
Fewer Bidders239%
28,61393% of 30,887
3279Industry Group
Other Nonmetallic Mineral Product Manufacturing
Fewer Bidders241%
70,52750% of 142,297
327Subsector
Fewer Bidders240%
126,74662% of 205,047
32Sector
Manufacturing
Moderate Competition331%
3,145,73729% of 10,805,773

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 Cut Stone and Stone Product Manufacturing, by shared sector, subsector, and industry group.

Explore contracts across multiple NAICS codes Browse all NAICS Codes

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NAICS 327991 FAQ

Frequently Asked Questions

NAICS code 327991 covers Cut Stone and Stone Product Manufacturing. This U.S. industry comprises establishments primarily engaged in cutting, shaping, and finishing granite, marble, limestone, slate, and other stone for building and miscellaneous uses. Stone product manufacturing establishments may mine, quarry, or purchase stone. Cross-References. Establishments primarily engaged in--

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