Inc. is a specialized business that provides services such as asphalt paving, concrete laying, seal coating, crack filling and parking lots. We are the experts in these areas andthat your needs are met quickly and efficiently. Our experienced team of professionals

observe and test during the building process. Our personnel are certified in ICC, ACI (American Concrete Institute), AWS (American Welding Society), CALTRANS (California Department of Transportation) and Nuclear Gauge (Soils and Asphalt). At Sigma