Licensed Contractors in Ontario, California

B: General Building Contractor (341) A: General Engineering Contractor (63) B-2: Residential Remodeling Contractor (4)

C-10: Electrical Contractor (128) C-33: Painting and Decorating Contractor (54) C-36: Plumbing Contractor (49) C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (46) C-7: Low Voltage Systems Contractor (37) C-27: Landscaping Contractor (34) C-8: Concrete Contractor (29) C-15: Flooring and Floor Covering Contractor (29) C-39: Roofing Contractor (26) D28: Doors, Gates and Activating Devices (22)

C-22: Asbestos Abatement Contractor (2) ASB: Asbestos Certification (3) D03: Awnings (2) C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor (2) C-21: Building Moving/Demolition Contractor (11) C-6: Cabinet, Millwork and Finish Carpentry Contractor (22) C-54: Ceramic and Mosaic Tile Contractor (17) C-8: Concrete Contractor (29) D06: Concrete Related Services (6) D63: Construction Clean-Up (4) C-31: Construction Zone Traffic Control Contractor (2) D28: Doors, Gates and Activating Devices (22) D09: Drilling, Blasting and Oil Field Work (1) C-9: Drywall Contractor (17) C-12: Earthwork and Paving Contractor (9) C-10: Electrical Contractor (128) C-45: Electrical Sign Contractor (7) C-13: Fencing Contractor (8) C-16: Fire Protection Contractor (12) C-15: Flooring and Floor Covering Contractor (29) C-5: Framing and Rough Carpentry Contractor (4) C-47: General Manufactured Housing Contractor (1) C-17: Glazing Contractor (22) D16: Hardware, Locks and Safes (1) HAZ: Hazardous Substance Removal Certification (6) C-2: Insulation and Acoustical Contractor (2) C-27: Landscaping Contractor (34) C-35: Lathing and Plastering Contractor (9) C-28: Lock and Security Equipment Contractor (1) C-7: Low Voltage Systems Contractor (37) D21: Machinery and Pumps (10) C-29: Masonry Contractor (16) D24: Metal Products (8) D64: Non-Specialized (4) C-23: Ornamental Metal Contractor (6) C-33: Painting and Decorating Contractor (54) D29: Paperhanging (2) C-32: Parking and Highway Improvement Contractor (7) C-34: Pipeline Contractor (2) C-36: Plumbing Contractor (49) D35: Pool and Spa Maintenance (8) D34: Prefabricated Equipment (7) C-38: Refrigeration Contractor (13) C-50: Reinforcing Steel Contractor (6) C-39: Roofing Contractor (26) C-42: Sanitation System Contractor (9) D39: Scaffolding (1) D40: Service Station Equipment and Maintenance (5) C-43: Sheet Metal Contractor (6) D41: Siding and Decking (1) D42: Sign Installation (3) C-46: Solar Contractor (3) D37: Specialty Contractor (1) C-51: Structural Steel Contractor (14) D50: Suspended Ceilings (1) C-53: Swimming Pool Contractor (16) D12: Synthetic Products (17) D49: Tree Service (4) C-49: Tree and Palm Contractor (1) C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (46) C-60: Welding Contractor (4) C-57: Well Drilling Contractor (1) D52: Window Coverings (10)