SIC                Activity              Industry Description

35         Industrial machinery    
3511                                     Turbines & turbine generator sets
3523                                     Farm machinery & equipment
3524                                     Lawn & garden equipment
3531                                     Construction machinery
3532                                     Mining machinery
3535                                     Conveyors & conveying equipment
3537                                     Industrial trucks & tractors
3541                                     Machine tools, metal cutting types
3543                                     Industrial patterns
3544                                     Special dies, tools, jigs & fixt.
3545                                     Machine tool accessories
3546                                     Power-driven handtools
3552                                     Textile machinery
3553                                     Woodworking machinery
3554                                     Paper industries machinery
3555                                     Printing trades machinery
3556                                     Food products machinery
3559                                     Special industry machinery, nec
3561                                     Pumps & pumping equipment
3564                                     Blowers & fans    
3565                                     Packaging machinery
3566                                     Speed changers, drives, & gears
3567                                     Industrial furnaces & ovens
3568                                     Power transmission equipment, nec
3569                                     General industrial machinery, nec
3571                                     Electronic computers
3572                                     Computer storage devices
3577                                     Computer peripheral equipment, nec
3578                                     Calculating & accounting equip.
3585                                     Refrigeration & heating equipment
3589                                     Service industry machinery, nec
3593                                     Fluid power cylinders & actuators
3599                                     Industrial machinery, nec
3599                                     Other Industrial machinery & equipment
36         Electric & Electronic
3612                                     Transformers, except electronic
3613                                     Switchgear & switchboard apparatus
3621                                     Motors & generators
3625                                     Relays & industrial controls
3631                                     Household cooking equipment
3641                                     Electric lamps
3643                                     Current-carrying wiring devices
3645                                     Residential lighting fixtures
3648                                     Lighting equipment, nec
3651                                     Household audio & video equip.
3661                                     Telephone & telegraph apparatus
3663                                     Radio & tv communications equi.
3669                                     Communications equipment, nec
3672                                     Printed circuit boards
3674                                     Semiconductors & related device
3677                                     Electronic coils & transformers
3679                                     Electronic components, nec
3691                                     Storage batteries
3694                                     Engine electrical equipment
3699                                     Electrical equip. & supplies, nec
3699                                     Other Electric & electronic equip.
38         Instruments & Related
3812                                     Search & navigation equipment
3823                                     Process control instruments
3825                                     Instruments to measure electricity
3826                                     Analytical instruments
3827                                     Optical instruments & lenses
3829                                     Measur.& controlling devices, nec
3841                                     Surgical & medical instruments
3842                                     Surgical appliances & supplies
3843                                     Dental equipment & supplies
3844                                     X-ray apparatus & tubes
3845                                     Electromedical equipment
3851                                     Ophthalmic goods
3861                                     Photographic equipment
3899                                     Other Instruments