37
Building construction services; building construction contracting services; general building contractor services; acting as specialists in building construction projects in the field of infrastructure, energy and power, mining and metallurgy, oil and gas; project management in the field of building construction; building construction consultancy; technical consultation in the phases of definition, implementation and operation of all kinds of public or private construction projects and all kinds of public or private projects in the field of infrastructure, energy and power, mining and metallurgy, oil and gas; building construction supervision; construction supervision of all kinds of public or private construction projects and all kinds of public or private projects in the field of infrastructure, energy and power, mining and metallurgy, oil and gas; building maintenance and repair
42
Engineering services and consultation in the field of all kinds of public or private construction projects and all kinds of public or private projects in the field of infrastructure, energy and power, mining and metallurgy, oil and gas; civil engineering drawing services; engineering surveying services; mechanical engineering; planning of buildings and infrastructure systems for buildings; research on building construction projects in the field of infrastructure, energy and power, mining and metallurgy, oil and gas and preparing reports relating thereto; providing technical studies and drafting reports for others in the field of all kinds of public or private construction projects and all kinds of public or private projects in the field of infrastructure, energy and power, mining and metallurgy, oil and gas