Preferred Sub Bench — Front Range
| Trade | Tier A | Backup |
|---|---|---|
| Structural steel | Summit Steel Works | IronLine Fabrication |
| Concrete | Rocky Mtn Ready-Mix / Vantage Concrete | Foothills Flatwork |
| Mechanical | Apex Mechanical | Blue Spruce HVAC |
| Electrical | Griffin Electric | Watt & Main |
| Drywall | Alpine Interiors | — needs 2nd source |
| Roofing | Cap Rock Roofing | Peakline Systems |
Drywall second source is an open action item (Marcus, from June bid review).