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US Standard Industrial Classification (SIC) Code Lookup

Division: D - Manufacturing

US-SIC Code 3446 - Architectural and Ornamental Metal Work

Industry Description

Establishments primarily engaged in manufacturing architectural and ornamental metal work, such as stairs and staircases, open steel flooring (grating), fire escapes, grilles, railings, and fences and gates, except those made from wire. Establishments primarily engaged in manufacturing fences and gates from purchased wire are classified in Industry 3496; those manufacturing prefabricated metal buildings and parts are classified in Industry 3448; and those manufacturing miscellaneous metal work are classified in Industry 3449.

Business Examples

Common types of business activities within US SIC 3446 - Architectural and Ornamental Metal Work are:

  • Acoustical suspension systems, metal
  • Balconies, metal
  • Bank fixtures, ornamental metal
  • Bannisters, railings, guards, etc: made from metal pipe
  • Brasswork, ornamental structural
  • Channels, furring
  • Elevator guide rails, metal
  • Fences and posts, ornamental iron and steel
  • Fire escapes, metal
  • Flagpoles, metal
  • Flooring, open steel (grating)
  • Gates, ornamental metal
  • Gratings (open steel flooring)
  • Gratings, tread fabricated metal
  • Ladders, chain: metal
  • Ladders, for permanent installation metal
  • Lamp posts, metal
  • Lintels, light gauge steel
  • Ornamental and architectural metal work
  • Partitions and grillework, ornamental metal
  • Pipe bannisters, railings, and guards
  • Purlins, light gauge steel
  • Railings, prefabricated metal
  • Registers, air: metal
  • Scaffolds metal (mobile or stationary)
  • Stair railings, metal
  • Staircases, prefabricated metal
  • Stairs, prefabricated metal
  • Treads, stair: fabricated metal

IBISWorld Industry Research Report

Sheet Metal, Window & Door Manufacturing in the US (33232)

Revenue 2025

$79.5bn

Growth 2025

1.36%

Key Trends

  • Fluctuating metal prices negatively impacted manufacturer performance

  • Economic growth in the wake of COVID-19 led to a quick recovery in revenue

  • Decreased spending means businesses will reduce expansion efforts

Products and Services

US-SIC Hierarchy 3446 - Architectural and Ornamental Metal Work

US-SIC Code 3446 - Architectural and Ornamental Metal Work sits in the 2-digit Architectural and Ornamental Metal Work 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 3446 - Architectural and Ornamental Metal Work

For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 3446 - Architectural and Ornamental Metal Work. Extended US SIC Codes are being continuously updated to reflect the current business environment.

6 Digit SIC Codes

  • 344601 Brass products (manufacturers)
  • 344602 Fire escapes (manufacturers)
  • 344603 Gratings (manufacturers)
  • 344604 Ornamental metal work (manufacturers)
  • 344605 Stair cushions (manufacturers)
  • 344607 Flag poles-manufacturers
  • 344608 Railings-manufacturers
  • 344609 Guards-door & window-manufacturers
  • 344610 Bronze ornamental work (manufacturers)
  • 344611 Cattle guards (manufacturers)
  • 344612 Grilles (manufacturers)
  • 344613 Aluminum ornamental work (mfrs)
  • 344614 Partitions-metal (manufacturers)
  • 344615 Stairs-iron & steel (manufacturers)
  • 344698 Architectural/ornamental mtl work (mfrs)

8 Digit SIC Codes

  • 34460000 Architectural metalwork
  • 34460100 Stairs, fire escapes, balconies, railings, and ladders
  • 34460101 Balconies, metal
  • 34460102 Banisters, made from metal pipe
  • 34460103 Fire escapes, metal
  • 34460104 Guards, made from pipe
  • 34460105 Ladders, chain
  • 34460106 Ladders, for permanent installation: metal
  • 34460107 Railings, banisters, guards, etc: made from metal pipe
  • 34460108 Railings, prefabricated metal
  • 34460109 Stairs, staircases, stair treads: prefabricated metal
  • 34460200 Open flooring and grating for construction
  • 34460201 Gratings, open steel flooring
  • 34460202 Gratings, tread: fabricated metal
  • 34460300 Fences, gates, posts, and flagpoles
  • 34460301 Fences or posts, ornamental iron or steel
  • 34460302 Flagpoles, metal
  • 34460303 Gates, ornamental metal
  • 34460304 Lamp posts, metal
  • 34460400 Partitions and supports/studs, including acoustical systems
  • 34460401 Acoustical suspension systems, metal
  • 34460402 Lintels, light gauge steel
  • 34460403 Partitions, ornamental metal
  • 34460404 Purlins, light gauge steel
  • 34460500 Channels, louvers, and registers
  • 34460501 Channels, furring
  • 34460502 Louvers, ventilating
  • 34460503 Registers (air), metal
  • 34460600 Ornamental metalwork
  • 34460601 Bank fixtures, ornamental metal
  • 34460602 Brasswork, ornamental: structural
  • 34460603 Grillwork, ornamental metal
  • 34469900 Architectural metalwork, nec
  • 34469901 Elevator guide rails
  • 34469902 Scaffolds, mobile or stationary: metal

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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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