[Class : 37] Construction Management Services, Construction Management [Supervision], Construction Project Management Services [Construction Supervision], Building Project Management [Construction Supervision], Construction And Construction Management Of Tunnels And Underground Structures, On Site Construction Project Management Relating To Building Construction, On Site Construction Project Management Relating To The Construction Of Buildings, Construction, Maintenance, And Construction Project Management Services In Oil And Gas Fields, On Site Project Management Relating To The Construction Of Aerodrome Facilities, And On Site Project Management Relating To The Construction Of Airport Facilities As Covered Under Class 37.