| CSI Code | Short Description | Extended Description |
| 03400 | Precast Concrete |
| 03410 | Plant-Precast Structural Concrete |
| 03420 | Plant-Precast Structural Post-Tensioned Concrete |
| 03430 | Site-Precast Structural Cconcrete | Lift - Slab Cocrete Precast Post - Tensioned Concrete Strucural Precast Pretensioned Concrete |
| 03450 | Plant-Precast Architectural Concrete | Faced Architectural Precast Concrete |
| 03460 | Site-Precast Architectural Concrete |
| 03470 | Tilt-Up Precast Concrete |
| 03480 | Precast Concrete Specialties |
| 03490 | Glass-Fiber-Reinforced Precast Concrete |