| CSI Code | Short Description | Extended Description |
| 05500 | Metal Fabrication |
| 05510 | Metal Stairs and Ladder |
| 05520 | Handrails and Railing | Pipe and Tube Railings Tempered Glass Railing Assemblies |
| 05530 | Grating |
| 05540 | Floor Plate |
| 05550 | Stair Treads and Nosing |
| 05560 | Metal Casting |
| 05580 | Formed Metal Fabrication | Column Covers Formed Metal Enclosures Heating / Cooling Unit Enclosures |