238220- Plumbing, Heating, & Air Conditioning 

236220- Commercial & Industrial Building Construction

237110- Water & Sewer Lines 

238110- Poured Concrete 

238210- Electrical 

238290- Other Building Equipment 

238310- Drywall 

238320- Painting 

238330- Flooring

238340- Ceramic Tile

238350- Finish Carpentry

238390- Other Building Finishes 

238910- Site Preparation