 | El Cajon, California / Services / 6.7.2009 KSCO is a licensed and insured General Engineering Contractor specializing in Grading, Excavating, Demoltion, and Retaining walls. Are services include: Old driveway/patio demo, New driveway finish grade, Old pool demo/fill, New pool excavate/finish grade, Slope work/retaining walls, Brush abatement, Debris/Tree ... |