Licensed Contractors in Columbia, California

B: General Building Contractor (34) A: General Engineering Contractor (12)

C-10: Electrical Contractor (3) C-33: Painting and Decorating Contractor (3) C-12: Earthwork and Paving Contractor (2) HAZ: Hazardous Substance Removal Certification (2) C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (2) C-54: Ceramic and Mosaic Tile Contractor (1) C-51: Structural Steel Contractor (1) C-9: Drywall Contractor (1) C-15: Flooring and Floor Covering Contractor (1) C-21: Building Moving/Demolition Contractor (1)

C-21: Building Moving/Demolition Contractor (1) C-54: Ceramic and Mosaic Tile Contractor (1) D06: Concrete Related Services (1) C-9: Drywall Contractor (1) C-12: Earthwork and Paving Contractor (2) C-10: Electrical Contractor (3) C-15: Flooring and Floor Covering Contractor (1) HAZ: Hazardous Substance Removal Certification (2) C-29: Masonry Contractor (1) C-23: Ornamental Metal Contractor (1) C-33: Painting and Decorating Contractor (3) D34: Prefabricated Equipment (1) C-39: Roofing Contractor (1) C-51: Structural Steel Contractor (1) C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (2)