37
Construction services; Assembly of complete installations and systems for the petrochemical, chemical, energy and cement industries; Maintenance; Renovation; Building of complete installations and systems for the petrochemical industry, chemical industry, energy industry, cement industry; Services in the field of assembly of steel structures; Assembly of steel structures, Assembly of gantries, pipeline supports, apparatus and devices: heat exchangers, other than parts of machine, pumps, reactors, tanks and fan coolers, Installation of industrial ovens, Assembly of storage tanks, Installation of plant, Assembly of technological pipes; Repairing, renovating and modernising of structures and installations; Anti-corrosion treatments; Comprehensive implementation of environmentally friendly installations, building of municipal and industrial sewage purification plants, building of industrial toxic waste purification plants at refineries, Building construction supervision; Services in the field of building, maintenance and renovation of refinery and petrochemical installations or components therefor; Factory construction; Construction of steel structures for buildings; Building of underground structures; Construction of structures for the production of crude oil; Construction of structures for the production of natural gas; Construction of structures for the transportation crude oil; Construction of structures for the storage of crude oil; Construction of structures for the transportation of natural gas; Construction of chimneys; Construction of prospecting platforms; Construction of exploitation platforms; Construction of industrial furnaces; Building of industrial properties; Construction of structures for the storage of natural gas; Application of fireproof linings; Painting of metal surfaces to prevent corrosion; Building and construction consultancy; Building consultancy
41
Vocational guidance [education or training advice]
42
Construction drafting, engineering design, technological design; Technical modernisation projects; Engineering services; Research, Development; Expert opinions relating to engineering, geology, refinery; Oil field surveys; Investigations, Quality checking; Pressure testing of installations; Non-destructive examination of welds in steel structures; Final technical acceptance; Preparation of as-built documentation in the form of engineering evaluations relating to the technical implementation of investment projects; Engineering testing of start-ups; Construction drafting, including pipelines, refinery installations, space-frame structures; Design of industrial products; Technical and technological, modernisation projects; Research and testing in the field of quality; As-built documentation; Engineering; Engineering consultancy services