[Class : 37] Building Construction, Building Construction Supervision, Repair; Installation Services; Cleaning Of Interior & Exterior; Building Insulating; Rental Of Construction Equipment, Rental Of Bulldozers & Cranes; Drilling Of Wells, Installation & Repair Of Electric Appliances, Elevator Installation & Repair; Factory Construction; Fire Alarm Installation &B Repair; Furniture Maintenance; Construction & Repair Information; Kitchen Equipment Installation; Masonry, Painting, Plumbing Sanding, Roofing, Road Paving.