| 909.22 Building Construction, Non-Residential (Office Bldg., etc.) |
| 909.24 Building Construction, Commercial and Institutional |
| 912.23 Construction, General (Backfill Services, Digging, Ditching, Road Grading, Rock Stabilization, etc.) |
| 913.19 Construction, Curb and Gutter (Includes Maintenance, Repair, and Removal) |
| 914.30 Concrete |
| 914.55 Masonry |