NAICS 327331 - Concrete Block and Brick Manufacturing
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Related NAICS Codes
Key Terms
concrete block manufacturing
brick manufacturing
masonry units
government construction materials
public works procurement
GSA contracts
Department of Defense construction
infrastructure materials
IDIQ contracts
firm-fixed-price contracts
sustainable building materials
construction supply chain
federal procurement
small business set-asides
bulk masonry products
What is NAICS 327331
NAICS code 327331 covers establishments primarily engaged in manufacturing concrete blocks and bricks, essential building materials widely used in construction projects. Businesses in this sector produce a variety of concrete masonry units, including hollow and solid blocks, paving bricks, and architectural bricks. These products serve as foundational components in residential, commercial, and infrastructure developments. Government agencies contract for these materials to support public works projects, including schools, highways, military installations, and housing developments, ensuring durable and cost-effective construction solutions that comply with regulatory and safety standards. The sector plays a critical role in the construction supply chain, providing standardized materials with consistent quality and performance characteristics.
Industry Classification for NAICS 327331
This U.S. industry comprises establishments primarily engaged in manufacturing concrete block and brick.
Breakdown for NAICS 327331
- Includes manufacturing of concrete blocks, bricks, and related masonry products.
- Covers products used in residential, commercial, and government construction projects.
- Subject to size standards typically based on annual revenue or employee count.
- Products must meet government specifications for strength, durability, and composition.
- Commonly used in infrastructure, defense, and public housing construction.
- Supports large scale supply contracts and ongoing maintenance material needs.
Included Activities for NAICS 327331
- Mixing raw materials to produce concrete block and brick compounds.
- Molding and curing concrete masonry units according to specifications.
- Quality testing and inspection to ensure compliance with standards.
- Packaging and shipping masonry products for delivery to construction sites.
- Custom manufacturing of specialty blocks and bricks for architectural use.
- Maintaining inventory for government contract fulfillment.
- Collaborating with contractors and government procurement officers.
- Adapting production processes to meet environmental and sustainability guidelines.
Business Types for NAICS 327331
- Concrete block manufacturing companies
- Brick production plants
- Specialty masonry product manufacturers
- Construction materials suppliers
- Small and medium-sized manufacturing enterprises
- Subcontractors supporting larger construction firms
Subcategories for NAICS 327331
- Architectural block, concrete (e.g., fluted, ground face, screen, slump, split), manufacturing
- Blocks, concrete and cinder, manufacturing
- Bricks, concrete, manufacturing
- Cinder (clinker) block, concrete, manufacturing
- Patio block, concrete, manufacturing
- Paving blocks, concrete, manufacturing
- Plinth blocks, precast terrazzo, manufacturing
- Precast concrete block and brick manufacturing
- Prestressed concrete blocks or bricks manufacturing
- Slumped brick manufacturing
Government Buyers for NAICS 327331
Federal, state, and local government agencies are the primary buyers of concrete block and brick manufacturing services. Departments such as the Department of Transportation, General Services Administration, Department of Defense, and Housing and Urban Development regularly procure these materials for infrastructure, military base construction, public housing, and facility maintenance projects. These agencies require reliable and high-quality masonry products to meet specific engineering specifications, durability requirements, and budget constraints. The versatile nature of concrete blocks and bricks makes them indispensable for government construction initiatives aimed at long-term asset management and community development.
Contract Types & Procurement for NAICS 327331
Contracts for concrete block and brick manufacturing often include firm-fixed-price agreements, indefinite delivery/indefinite quantity (IDIQ) contracts, and long-term supply agreements. Procurement methods vary from competitive sealed bidding to negotiated contracts, depending on project size and urgency. Typical contract values range from small supply orders for maintenance to multi-million dollar contracts for large-scale construction projects. Government buyers may also utilize blanket purchase agreements (BPAs) to streamline recurring acquisitions. Contractors should be prepared to meet strict quality control standards and possess the capacity to fulfill bulk orders within specified delivery timelines.
Details for NAICS 327331
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