30220000 Permanent structures
30222000 Transport structures
30222015 Runway
30222014 Airfield
30222200 Utilities structures
30222900 Defense structures
39100000 Lamps and lightbulbs and lamp components
39101900 Lamp Ballasts and Lamp Transformers
39101901 Fluorescent ballast
39101906 Step down lamp transformer
39101902 High intensity discharge HID ballast
39101904 Low voltage lighting transformer
39101903 Induction Lighting System
39101905 Neon ballast
39101800 Lamp components and accessories
39101801 Lamp filament
39101803 Lamp base
39101802 Lamp glass
39101600 Lamps and lightbulbs
39101613 Infrared lamps
39101617 High pressure sodium lamp HID
39101620 Induction lamp
39101623 Sealed beam lamp
39101619 Compact fluorescent CFL lamps
39101605 Fluorescent lamps
39101612 Incandescent lamps
39101621 Low pressure sodium lamp HID
39101601 Halogen lamps
39101614 Metal halide lamp HID
39101616 Ultraviolet UV lamps
39101608 Shadowless or scialytic operation light
39101609 Stage or studio lamps
39101618 Neon lamps
39110000 Lighting Fixtures and Accessories
39111800 Lighting accessories
39111816 Lamp Lens
39111811 Electrified tracks
39111808 Grilles
39111809 Light conditioner filters
39111813 Lamp arms
39111810 Lamp starter
39111812 Lamp covers
39111815 Lamp guard
39111818 Lamp reflector
39111819 Lamp safety fitting
39111802 Lamp housings
39111801 Lamp ballasts
39111803 Lamp sockets
39111820 Lamp wiring assembly kit
39111806 Light boxes
39111817 Lamp mounting box
39111900 Hazardous location lighting and fixtures
39111902 Hazardous location incandescent fixtures
39111901 Hazardous location fluorescent fixtures
39111904 Hazardous location high intensity discharge HID fixture
39112000 Portable and Temporary Lighting and accessories
39112004 Loading dock light
39112001 Light tower
39112100 Optical lighting
39112102 Light emitting diode LED optic lighting
39111500 General lighting and fixtures
39111501 Fluorescent fixtures
39111526 Lighting pole or post and hardware
39111527 Solar lighting fixture
39111520 Halogen lighting fixtures
39111524 High intensity discharge HID fixture
39111504 Stage or projection or studio lighting system
39111600 Industrial Exterior and Landscape lighting and fixtures and accessories
39111609 Lighting pole or post and hardware
39111611 Flood light
39111612 Area lighting
39111613 Security lighting
39111605 Landscape or area lighting
39111616 Outdoor lighting accessories
39111603 Roadway or highway lighting
39111615 Ingrade lighting
39111619 Large area lighting system
39111700 Emergency lighting and accessories
39111706 Strobe or warning lights
39111703 Storm lights
39111707 Combo light unit exit
39111704 Flood light
39112200 Special effects devices
39112201 Atmospheric effect apparatus
46160000 Public safety and control
46161700 Rescue equipment and accessories
46161710 Rescue light
46161500 Traffic control
46161501 Airport signaling systems
46161511 Traffic beacon
46161528 Airport warning light
46161522 Parking lot proximity warning light
46161521 Parking lot entry exit warning light