Construction and Repair Services; Building, construction, demolition, asphalting, bricklaying, building construction supervision, building insulating, building sealing, building damp-proofing, building of fair stalls and shops, construction, construction information, construction consultation, demolition of buildings, factory construction, harbor construction, masonry, pier breakwater building, plastering, pumicing, road paving, roofing services, sanding, underwater construction, and warehouse construction and repair

Engineering services; forensic engineering services; industrial engineering services; reliability engineering services; safety engineering services; structural engineering services; mechanical engineering services; electrical engineering services; materials engineering services; consulting services in the field of engineering; testing services, namely, environmental, field, laboratory and mechanical testing of materials, polymers, organics and elements; chemical research and analysis services; calibration services; inspection services