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US Standard Industrial Classification (SIC) Code Lookup

Division: D - Manufacturing

US-SIC Code 3493 - Steel Springs, Except Wire

Industry Description

Establishments primarily engaged in manufacturing leaf springs, hot wound springs, and coiled flat springs. Establishments primarily engaged in manufacturing wire springs are classified in Industry 3495.

Business Examples

Common types of business activities within US SIC 3493 - Steel Springs, Except Wire are:

  • Automobile springs
  • Coiled flat springs
  • Flat springs, sheet or strip stock
  • Helical springs, hot wound: for railroad equipment and vehicles
  • Hot wound springs, except wire springs
  • Leaf springs: automobile, locomotive, and other vehicle
  • Railroad equipment springs
  • Steel springs, except wire
  • Torsion bar springs

IBISWorld Industry Research Report

Wire & Spring Manufacturing in the US (33261)

Revenue 2025

$12.3bn

Growth 2025

0.09%

Key Trends

  • Downstream construction and manufacturing industries are expected to experience strong growth

  • Intense competition from low-cost imports has threatened industry revenue

  • Expanding corporate profit and nonresidential construction will support the industry

Products and Services

US-SIC Hierarchy 3493 - Steel Springs, Except Wire

US-SIC Code 3493 - Steel Springs, Except Wire sits in the 2-digit Steel Springs, Except Wire 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 3493 - Steel Springs, Except Wire

For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 3493 - Steel Springs, Except Wire. Extended US SIC Codes are being continuously updated to reflect the current business environment.

6 Digit SIC Codes

  • 349301 Springs-auto-sales & svc-manufacturers
  • 349302 Steel strapping (manufacturers)
  • 349398 Steel spring-except wire (manufacturers)

8 Digit SIC Codes

  • 34930000 Steel springs, except wire
  • 34930100 Hot formed springs
  • 34930101 Automobile springs
  • 34930102 Helical springs, hot wound: railroad equip., etc.
  • 34930103 Hot wound springs, except wire
  • 34930104 Leaf springs: automobile, locomotive, etc.
  • 34930105 Torsion bar springs
  • 34930200 Cold formed springs
  • 34930201 Coiled flat springs
  • 34930202 Flat springs, sheet or strip stock

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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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