South Western Paving Company knows asphalt. Family owned and serving Southern California for over 30 years we specialize in asphalt overlay, removal and replacement, petromat overlays, new grade and pave, slurry seal, striping, and stenciling. South Western Paving Company is here to serve you for all your asphalt repair and maintenance needs. We have been serving all of Southern California for over 30 years. All of our work is done in house, including asphalt overlay, removal and replacement, petromat overlays, new grade and pave, slurry seal, and striping and stenciling.