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NAICS212311Sector 21

Dimension Stone Mining and Quarrying

Stone quarrying for government building construction and monument restoration. Find active federal and state dimension stone mining and quarrying contracts — AI-scored against your profile across SAM.gov and 200+ portals.

212311
NAICS Code
$1.8M
Avg Contract Value
500 employees
Size Standard
Mining
Sector

Market Overview — NAICS 212311

Annual federal spend under NAICS 212311 is modest, typically $20-50 million, driven by GSA, Army Corps, NPS, and Architect of the Capitol for stone used in building construction, monument restoration, and historical masonry. Most contracts are one-off or task orders under existing IDIQs or BPAs, with few large multi-year awards. Demand is project-specific, tied to federal building maintenance, memorial projects, and infrastructure like locks and dams. Competition is low (few specialized quarries), but barriers include high capital costs and ASTM standards compliance. Contracts are 80% set-aside for small business, often 8(a) or SDVOSB preference. Average award size: $250K-$2M. Long procurement lead times due to material testing and historical compatibility requirements.

Top Federal Buyers for NAICS 212311

These agencies are the largest buyers of dimension stone mining and quarrying services and products in the federal government. Each awards contracts under NAICS 212311 regularly — build relationships with their small business offices first.

GSA
Army Corps
NPS
Architect of the Capitol
State Buildings

How to Win NAICS 212311 Contracts

Focus on GSA Schedule 56 (Building and Construction) or GSA Multiple Award Schedule for stone products, as most agencies buy through these. The highest-leverage move is to get your dimensional stone tested and listed on the GSA eLibrary with ASTM C616/C568 certifications. Bid on NPS historic preservation task orders under existing IDIQs like the NPS Rocky Mountain Region IDIQ. Use 8(a) or SDVOSB set-asides aggressively—over 60% of awards in this code go to 8(a) firms. Build relationships with Architect of the Capitol's procurement office for Capitol Hill restoration projects. Subcontracting to larger primes on Army Corps dam projects is also viable.

Contract Vehicles & Buying Pattern

Most buys use GSA Schedule 56 or GSA Multiple Award Schedule for stone products. Agency-specific IDIQs (e.g., NPS Rocky Mountain IDIQ, Army Corps MATOC) are common for larger projects. Evaluation is LPTA for standard stone, best-value for historic matching. Technical factors: stone type, quarry location, finish, and delivery timeline. Set-asides dominate—8(a), SDVOSB, HUBZone.

Related Search Terms

federal dimension stone contractsGSA Schedule 56 stone supplierNPS historic stone restoration bidsArmy Corps quarry stone IDIQ8(a) dimensional stone mining set-asideASTM C568 limestone federal procurementsmall business stone quarry government contractsArchitect of the Capitol building stone solicitation

Frequently Asked Questions

What certifications are required for federal dimension stone contracts?

You need ASTM C616 (sandstone) or C568 (limestone/marble) conformance, plus testing reports from an accredited lab. For historic projects, NPS requires matching original stone provenance—sometimes from the original quarry. No specific federal license, but state blasting permits may apply.

Do I need bonding for small stone supply contracts?

For contracts under $150K, payment bonds are typically waived. For larger awards, performance and payment bonds are required (Miller Act). Many set-aside contracts allow alternative bid security like irrevocable letters of credit. Check solicitation for 'bid bond' requirement.

How competitive is NAICS 212311 for small businesses?

Very low competition—fewer than 20 active 8(a) firms and maybe 50 total small businesses nationwide. Most awards go to 8(a) or SDVOSB. The small-business size standard is 500 employees, but actual bidders are usually under 50 employees. Set-aside contracts often have only 2-3 offers.

What is the typical award size for dimension stone contracts?

Ranges from $50K for small monument repairs to $5M for major building cladding projects. Median award is around $500K. Most are firm-fixed-price task orders under IDIQs. GSA Schedule orders average $250K. Army Corps dam stonework can hit $10M+ but rare.

Can I subcontract on a larger prime contract in this NAICS code?

Yes, prime contractors on large construction projects (e.g., federal courthouses, locks) often need specialized stone suppliers. Register as a subcontractor in SAM and market to primes holding GSA Schedule 56 or Army Corps MATOC holders. Your competitive edge is proving stone source reliability and ASTM compliance.

Related NAICS Codes