Repair and maintenance services of apparatus for treating liquids and fluids; upkeep and maintenance of pipeline systems; rehabilitation of aqueducts or water distribution pipes; construction of sanitation, wastewater collection, rainwater clean-up and flood prevention works; pumping station renovation services, further development of existing works with a view to improving water supply security and quality; construction of water treatment plants for drinking water, urban and industrial wastewater, rainwater; laying water pipes and development of water treatment plants, drilling of wells; construction, installation and repair of irrigation devices, renovation and maintenance of structures, buildings, rehabilitation of sites, buildings, warehouses; land development services, namely, planning and laying out of commercial buildings; restoration and rehabilitation of degraded sites, namely, cleaning and reconstruction of degraded sites; upkeep or cleaning of buildings, premises, floors, facade cleaning, disinfection, rat extermination, insect eradication; cleaning of structures, urban structures; cleaning of underground works, road equipment, sites, industrial premises, namely, exterior and interior cleaning, cleaning of water pipes, of industrial installations, high-pressure cleaning of underground works, road network cleaning services; upkeep and maintenance of vehicles, aircraft, airport runway facilities; upkeep and maintenance of service stations, buildings, structures, streets, urban facilities; repair services and maintenance of waste and refuse storage units and facilities, centers, installations, apparatus and recycling units; treatment, recovery and disposal of waste and refuse; construction of waste and refuse storage units, centers and installations; cleaning of waste and refuse units; upkeep and renovation of industrial and urban sewerage systems; rehabilitation of industrial and urban sewerage systems; vehicle washing

Waterworks, namely, water distribution, collection of urban or industrial wastewater, sludge, collection, transport, namely, air, ship, truck and pipeline transport, sorting, disposal and storage of useful materials or of urban, industrial and radioactive waste, of solid or liquid wastes, of industrial greases and of office papers; collection, transport, namely, air, ship, truck and pipeline transport, grouping, sorting, identification, conditioning and reconditioning and storage of all kinds of waste, namely, urban, household, industrial, ordinary and special industrial, hospital, agricultural, horticultural, silvicultural, hazardous, solid and liquid waste; disposal and storage of useful materials, waste, perishable or hazardous products; storage of waste in landfills; transport, namely, air, ship, truck and pipeline transport, packing and storage of fertiliser, organic amendments, compost and growing media

Waste water treatment, namely, processing and transformation of waste generated by households, public or private communities and enterprises, ordinary, special, solid, liquid, hazardous waste and providing related waste treatment information on the processing and transformation of waste generated by households, public or private communities and enterprises, ordinary, special, solid, liquid, hazardous waste; waste treatment, namely, services for purifying, and regenerating waste; services for recycling of waste and refuse; services for composting of waste and refuse; recovery, namely, reclamation of industrial, household, hospital, special, ordinary waste and waste from public or private communities and enterprises; waste management, namely, biological and energy reuse services for waste and refuse; site clean-up services, namely, decontamination of hazardous materials including degraded soil and polluted sites; waste and refuse disposal services, namely, destruction of waste and refuse; waste and refuse incineration services; disposal of toxic industrial waste, of ordinary and special non-toxic industrial, household and hospital waste; water treatment services, namely, water treatment services by introducing reagents, in particular in waters for human or animal consumption and in waters for industrial use; services for the sanitation and treatment of industrial wastewaters; environmental remediation services, namely, treatment of water

Water quality control services; scientific and industrial research services relating to environmental protection; laboratory research services in the fields of water and water treatment and purification; chemical analysis, chemical research, professional scientific consultancy, engineering project study, and engineering, not for construction, in the fields of water and water treatment; scientific consultation, namely, providing expert appraisals in the field of water and effluent treatment, laboratory research services in the fields of industrial, household, hospital and special waste, refuse, sludge and ash treatment, and industrial, household, hospital and special waste recovery; bacteriology research services; scientific consultation, namely, providing expert appraisals in the field of industrial, household, hospital and special waste, sludge and ash from plants, both urban and industrial; computer programming; computer services, namely, development, design and updating of computer software and software packages; technical consulting and advice in the field of computing; computer rental; design of computer and telecommunication systems; scientific and industrial research services for developing and evaluating the performance of physico-chemical water treatment processes and products; scientific and technical studies for developing and evaluating the operation performance of installations for treating drinking water or industrial process water, for treating household or industrial wastewater, as well as for treating physico-chemical or biological fluids and sludges; technical audits, namely, engineering advise and work relating to these waste and wastewater treatment processes and equipment and to all other fluid treatments, including in the field of industrial processes; research center, namely, laboratory research services in the fields of collection, transport, treatment, cleaning, storage, sanitation, recovery and disposal of waste and refuse; scientific consultation, namely, providing expert appraisals in the field of waste and refuse; scientific and industrial research relating to environmental protection for the collection, transport, treatment, cleaning, storage and recovery of waste and refuse; engineering and engineering project study in the fields of design and construction of industrial and urban centers and units for waste and refuse collection, sorting, storage, treatment, recovery and disposal; pollution prevention services, namely, scientific consulting regarding environmental protection, urban planning, industrialization and natural resource promotion; environmental information on the impact of pollution on the environment with regard to economic, social and environmental implications; urban planning related to industrialization and use or promotion of natural resources, particularly of water; soil testing; agricultural, horticultural, wine growing, arboricultural and silvicultural engineering