| 22101900 |
Building construction machinery and accessories |
| 26101300 |
Non electric motors |
| 26121500 |
Electrical wire |
| 26121600 |
Electrical cable and accessories |
| 30103600 |
Structural products |
| 39101600 |
Lamps and lightbulbs |
| 39101900 |
Lamp Ballasts and Lamp Transformers |
| 39111500 |
Interior lighting fixtures and accessories |
| 39111700 |
Emergency lighting and accessories |
| 39111800 |
Lighting accessories |
| 39111900 |
Special environment fixtures and accessories |
| 39112600 |
Non electrical lighting devices |
| 39121000 |
Power conditioning equipment |
| 39121100 |
Distribution and control centers and accessories |
| 39121300 |
Electrical boxes and enclosures and fittings and accessories |
| 39121400 |
Electrical lugs plugs and connectors |
| 39121500 |
Electrical controls and accessories |
| 39121600 |
Circuit protection devices and accessories |
| 39121700 |
Electrical hardware and supplies |
| 39121800 |
Intelligent Building Installations IBI |
| 39121900 |
Electrical safety devices and accessories |
| 39122000 |
Electrical Variable Speed Drives |
| 39122100 |
Electrical transmission and distribution equipment |
| 39131500 |
Wire Markers and Wire Marking Devices |
| 39131700 |
Wire Raceways Conduit and Busways |
| 40101800 |
Heating equipment and parts and accessories |
| 72151100 |
Plumbing construction services |
| 72151200 |
Heating and cooling and air conditioning HVAC construction and maintenance services |
| 72151500 |
Electrical system services |
| 95121500 |
Commercial and entertainment buildings and structures |
| 95121700 |
Public buildings and structures |
| 95141700 |
Prefabricated commercial and industrial buildings and structures |
