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US Standard Industrial Classification (SIC) Code Lookup

Division: D - Manufacturing

US-SIC Code 3271 - Concrete Block and Brick

Industry Description

Establishments primarily engaged in manufacturing concrete building block and brick from a combination of cement and aggregate. Contractors engaged in concrete construction work are classified in Division C, Construction, and establishments primarily engaged in mixing and delivering ready-mixed concrete are classified in Industry 3273.

Business Examples

Common types of business activities within US SIC 3271 - Concrete Block and Brick are:

  • Architecture block concrete: e.g. fluted, screen, split, slump,
  • Blocks, concrete and cinder
  • Brick, concrete
  • Paving block, concrete
  • Plinth blocks, precast terrazzo

IBISWorld Industry Research Report

Concrete Pipe & Block Manufacturing in the US (32733)

Revenue 2025

$8.1bn

Growth 2025

2.98%

Key Trends

  • The industry is relatively fragmented, albeit with increasing consolidation as larger operators engage in merger and acquisition activity

  • The industry's heavy reliance on construction activity has proved beneficial in recent years

  • A potential concern moving forward lies in infrastructure and utilities construction

Products and Services

US-SIC Hierarchy 3271 - Concrete Block and Brick

US-SIC Code 3271 - Concrete Block and Brick sits in the 2-digit Concrete Block and Brick sector. US SIC codes can be 2 to 8 digits and the further along the hierarchy, the more detailed and specific the category will be.

Division: D

Division Title: Manufacturing

2 Digits 3 Digits 4 Digits

Extended US-SIC Hierarchy for 3271 - Concrete Block and Brick

For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 3271 - Concrete Block and Brick. Extended US SIC Codes are being continuously updated to reflect the current business environment.

6 Digit SIC Codes

  • 327101 Concrete-blocks & shapes-manufacturers
  • 327102 Cinder blocks (manufacturers)

8 Digit SIC Codes

  • 32710000 Concrete block and brick
  • 32719900 Concrete block and brick, nec
  • 32719901 Architectural concrete: block, split, fluted, screen, etc.
  • 32719902 Blocks, concrete or cinder: standard
  • 32719903 Blocks, concrete: acoustical
  • 32719904 Blocks, concrete: chimney or fireplace
  • 32719905 Blocks, concrete: drystack interlocking
  • 32719906 Blocks, concrete: glazed face
  • 32719907 Blocks, concrete: heat absorbing
  • 32719908 Blocks, concrete: insulating
  • 32719909 Blocks, concrete: landscape or retaining wall
  • 32719910 Blocks, concrete: radiation-proof
  • 32719911 Brick, concrete
  • 32719912 Paving blocks, concrete
  • 32719913 Plinth blocks, precast terrazzo
  • 32719914 Roof ballast block, concrete
  • 32719915 Sewer and manhole block, concrete

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US SIC Code Directory

Each US SIC Code is part of a Division, which corresponds with a numerical range. Select a Division category from the table below, then drill down to discover the industries within that Division.

Division US-SIC Code Sector title
A 01-09 Agriculture, Forestry, and Fishing
B 10-14 Mining
C 15-17 Construction
D 20-39 Manufacturing
E 40-49 Transportation, Communications, Electric, Gas, and Sanitary Services
F 50-51 Wholesale Trade
G 52-59 Retail Trade
H 60-67 Finance, Insurance, and Real Estate
I 70-89 Services
J 90-99 Public Administration

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