| 330 05 | FENCING, ADOBE, CINDERBLOCK AND SAND |
| 330 10 | FENCING, CONCRETE OR ROCK |
| 330 13 | FENCING, CHAIN LINK, INCLUDING FABRIC, GATES, PANELS, POSTS AND FITTINGS |
| 330 20 | FENCING, ELECTRIFIED |
| 330 32 | FENCING, WROUGHT IRON, INCLUDING COMPONENTS |
| 330 37 | FENCING, METAL SLAT AND TUBULAR, INCLUDING COMPONENTS |
| 330 38 | FENCING, PLASTIC |
| 330 40 | FENCING, ORNAMENTAL |
| 330 46 | FENCING, SNOW |
| 330 49 | FENCING, SPLIT RAIL |
| 330 55 | FENCING, TEMPORARY CONSTRUCTION AND OTHER INDUSTRIAL OR SAFETY USES |
| 330 58 | FENCING, WIRE |
| 330 59 | FENCING, WOOD, INCLUDING COMPONENTS |
| 330 61 | WINDSCREENS AND ACCESSORIES FOR FENCING |
| 330 65 | WIRE, BARBED |
| 330 69 | WIRE, OBSTACLE: CONCERTINA, INCLUDING RAZOR RIBBON AND BARBED TAPE |
| 330 78 | WIRE, PLAIN |
| 330 91 | WIRE, WOVEN |
| 330 95 | RECYCLED FENCING AND SUPPLIES |