Class 039
Transportation & Storage Services
Distribution by pipeline and cable; Transport; Electricity distribution; Distribution of drinking and industrial water; Rental of warehouses; Storage;.
Class 040
Treatment & Processing of Materials Services
Energy production; Generation of power; Water treating; .
Class 042
Computer & Software Services & Scientific Services
Science and technology services; Chemical analysis; Chemical analysis of water; Research and development of new products for others; Chemical research; Research in the field of environmental conservation; Scientific research;.