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US Standard Industrial Classification (SIC) Code Lookup

Division: D - Manufacturing

US-SIC Code 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified

Industry Description

Establishments primarily engaged in manufacturing mechanical power transmission equipment and parts, for industrial machinery. Establishments primarily engaged in manufacturing motor vehicle power transmission equipment are classified in Industry 3714; those manufacturing aircraft power transmission equipment are classified in Industry 3728; those manufacturing ball and roller bearings are classified in Industry 3562; and those manufacturing speed changers, industrial high-speed drives, and gears are classified in Industry 3566.

Business Examples

Common types of business activities within US SIC 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified are:

  • Ball joints, except motor vehicle and aircraft
  • Bearings, plain
  • Belting, chain
  • Chain, power transmission
  • Clutches, except motor vehicle
  • Collars, shaft (power transmission equipment)
  • Couplings, shaft rigid, flexible, universal joint, etc.
  • Drive chains, bicycle and motorcycle
  • Joints, swivel: except motor vehicle and aircraft
  • Joints, universal: except motor vehicle
  • Pillow blocks, with plain bearings
  • Pivots, power transmission
  • Pulleys, power transmission
  • Railroad car journal bearings, plain
  • Shafts, flexible
  • Sprockets (power transmission equipment)

IBISWorld Industry Research Report

Engine & Turbine Manufacturing in the US (33361a)

Revenue 2025

$49.4bn

Growth 2025

-7.26%

Key Trends

  • Rising tariffs on US-made goods, reduced capital expenditures and supply chain interruptions have caused exports to fall

  • Severe fluctuations in commodity prices have offset export growth

  • Private investment in industrial equipment and machinery is expected to increase

Products and Services

US-SIC Hierarchy 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified

US-SIC Code 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified sits in the 2-digit Mechanical Power Transmission Equipment, Not Elsewhere Classified 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 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified

For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified. Extended US SIC Codes are being continuously updated to reflect the current business environment.

6 Digit SIC Codes

  • 356801 Rotary joints (manufacturers)
  • 356802 Shafting (manufacturers)
  • 356898 Mechanical power trans equip nec (mfrs)

8 Digit SIC Codes

  • 35680000 Power transmission equipment, nec
  • 35680100 Bearings, bushings, and blocks
  • 35680101 Bearings, plain
  • 35680102 Pillow blocks with plain bearings
  • 35680103 Railroad car journal bearings
  • 35680200 Joints and couplings
  • 35680201 Ball joints, except aircraft and auto
  • 35680202 Couplings, shaft: rigid, flexible, universal joint, etc.
  • 35680203 Joints, swivel and universal, except aircraft and auto
  • 35680300 Drives, chains, and sprockets
  • 35680301 Belting, chain
  • 35680302 Chain, power transmission
  • 35680303 Drive chains, bicycle or motorcycle
  • 35680304 Drives: belt, cable, or rope
  • 35680305 Sprockets (power transmission equipment)
  • 35689900 Power transmission equipment, nec
  • 35689901 Clutches, except vehicular
  • 35689902 Collars, shaft (power transmission equipment)
  • 35689903 Pivots, power transmission
  • 35689904 Pulleys, power transmission
  • 35689905 Shafts, flexible

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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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