37
Building construction; public works, rural works
(construction services); rental of construction tools and
equipment; maintenance or cleaning of buildings, premises,
floors; upkeep or cleaning of various objects; laundering;
furniture, instrument and tool repair; drilling of wells;
pier breakwater building; assembly of naval scaffolding
[construction]; road paving; airplane maintenance and
repair; burner maintenance and repair; rental of
construction equipment; heating equipment installation and
repair; air-conditioning apparatus installation and repair;
construction consultation; construction; construction
management [supervision]; construction information;
demolition of buildings; scaffolding; cleaning of buildings
[exterior surface]; installation and repair of electric
apparatus; warehouse construction and repair; building
sealing; mining extraction; drilling of deep oil or
gas-wells; well drilling services on land and at sea;
furnace installation and repair; fire alarm installation and
repair; irrigation devices installation and repair; building
insulating; rental of cranes [construction machinery];
rental of drainage pumps; installation, maintenance and
repair of machinery; masonry; shipbuilding; street cleaning;
pipeline construction and maintenance; harbour construction;
installation and repair of refrigeration apparatus; repair
information; rustproofing; underwater construction;
underwater repair; factory construction; oil field services,
namely, servicing of wellhead, fluid control and metering
systems for land and subsea oil and gas drilling,
production, refining and transportation
42
Geological prospecting, oils prospecting; services of
engineers; professional consulting relating to computer
software; engineering (not for building); scientific
laboratory services; engineering for activities in
industrial fields, assemblies, units and turnkey industrial
facilities; engineering for renovation, repair and
modernization of industrial complexes and units; engineering
design applied to outfitting and tertiary equipment;
petroleum engineering services; continental and underwater
engineering; research and development of new processes and
products for others; provision of technical studies of new
processes and products for others; estimations in the field
of engineering and exploitation of oil fields; searching for
oil, gas and ore deposits in general; scientific and
industrial research; construction drafting; oil-well
testing; quality control; industrial design; consulting in
the field of energy saving, measuring [calibration];
computer system analysis; water analysis; architecture;
energy auditing; chemistry services; chemical research;
chemical analysis; computer system design; conversion of
data or documents from physical to electronic media;
conversion of computer programs and data, other than
physical conversion; surveying [engineering work];
underwater exploration; geological prospecting; geological
surveys; geological research; analysis for oil-field
exploitation; oil-field surveys; scientific information and
consultancy in relation to carbon offsetting; scientific
laboratory services; software design; updating of software;
rental of computer software; computer software maintenance;
installation of software; computer software consultancy;
testing of materials; mechanical research; programming for
computers; oil prospecting; physics research; technical
project study; research in the field of environmental
protection; bacteriological research; technical research;
biological research; recovery of computer data; hosting of
servers; information technology consultancy; technological
consulting and engineering services in relation to petroleum
metering systems; subsea engineering; engineering of
wellhead, fluid control and metering systems for land and
subsea oil and gas drilling, production, refining and
transportation