31 23 00 Excavation and Fill 31 25 00 Erosion and Sedimentation Controls Building Contractor Highway Contractor Industrial Contractor Utility Contractor 02 00 00 Existing Conditions 02 41 00 Demolition 31 00 00 Earthwork 31 05 16 Aggregates for Earthwork 31 10 00 Site Clearing 31 20 00 Earth Moving 31 22 00 Grading
General contractor, highway and industrial.
General Contractor