37 Construction management in the utility industries, namely, oil, gas, natural gas, energy, water, waste-water, electric, telephone, and fiber-optic industries; professional services in the fields of engineering and architecture, namely, construction of infrastructures, namely, pipelines, valves, rectifiers, distribution and relay stations and pumps for utility industries, namely, oil, gas, natural gas, energy, water, waste-water, electric, telephone, and fiber-optic industries; construction inspection in the course of construction of pipelines, valves, rectifiers, distribution and relay stations and pumps for utility industries, namely, oil, gas, natural gas, energy, water, waste-water, electric, telephone, and fiber-optic industries; construction supervision in the utility industries, namely, oil, gas, natural gas, energy, water, waste-water, electric, telephone, and fiber-optic industries