Upkeep and maintenance of pipeline systems, rehabilitation of aqueducts or water supply or collection pipes, construction of sanitation, wastewater collection, river clean-up and flood prevention works, pumping station renovation services, construction of treatment plants for urban wastewater, industrial process water or rainwater, installation and maintenance of irrigation devices and networks, drilling of wells, construction of buildings, plumbing works and public works, rental of construction tools and equipment, upkeep or cleaning of buildings, premises, floors, namely, disinfecting and rat exterminating; after-sales service, namely, repair of pipelines, pipes, aqueducts, pumping stations, treatment plants, irrigation devices and networks, and wells for the treatment, cleaning, sterilization and regeneration of all liquids

Water supply and distribution services, collection of urban or industrial wastewaters, collection and transportation of sewage sludge, distribution of electrical power, transportation of goods by truck, air, ship and pipeline, packaging of goods, warehousing, storage of merchandise in a warehouse, newspaper delivery

Water treatment services, namely, treatment of water by the introduction of reagents, particularly of water intended for human or animal consumption and water for industrial use, sanitation and treatment of industrial wastewaters

Engineering work and professional consultancy, namely, drawing up of plants related to business dealings in the fields of water treatment and design of water transport and distribution installations geological prospecting, testing of materials, engineering study services for the development and adaptation to each specific case of techniques for treatment, filtration, cleaning, sterilization and regeneration of all liquids, particularly of drinking water, industrial process water, boiler feed water, swimming-pool water, municipal, domestic and industrial wastewaters, technical consultancy services, namely, regarding the exploitation and development of water resources, evaluation of the performance of computer hardware, electronic organizers, personal digital assistants, transmission equipment, radio-paging apparatus, cell phones and software developed for water exploitation installations; telephone assistance and technical support relating to software, design of computer equipment and software, namely, troubleshooting of computer hardware and software design of computer equipment and software for others for the management of water exploitation installations