Excavation Contractors in La Puente, CA L A County Public Works Dept16005 Central AveLa Puente, CA, 917446269619611Excavation ContractorsGrading ContractorsLos Angeles County Of Public Social Services L A County Road Maintenance14959 Proctor AveLa Puente, CA, 917466269683312Excavation ContractorsGrading Contractors Show MoreSee AlsoGrading Contractors