Columbia Building Group Inc.

221310- Force main repair
236115- Commerical Building Remodelers
236118- Residential Remodelers
236210- Industrial Building Construction
236220- Commercial and Institutional Building Construction
237110- Water and Sewage Line and Related Structures Construction  
237990- Other Heavy and Civil Engineering Construction   
238110- Poured Concrete Foundation and Structures Construction   
238120- Structural Steel and Precast Concrete Contractors   
238130- Framing Contractors   
238160- Roofing Contractors   
238170- Siding Contractors   
238190- Other Foundation, Structure and Building Exterior Contractors   
238210- Electrical Contractors and Other Wiring Installation Contractors   
238220- Plumbing, Heating andAir-Conditioning Contractors   
238290- Other Building Equipment Contractors   
238310- Drywall and Insulation Contractors   
238320- Painting and Wall Covering Contractors   
238330- Flooring Contractors   
238340- Tile and Terrazzo Contractors   
238350- Finish Carpentry Contractors   
238390- Other Building Finishing Contractors   
238910- Site Preparation Contractors   
238990- All Other Speciality Trade Contractors   
561210- Facilities Support Services