S

Business management and personnel management, namely, management of administrative and engineering personnel; Personnel management services, namely, management of administrative and engineering personnel; Personnel placement and recruitment services for engineering personnel; Personnel management consultation services, namely, management of engineering personnel

General construction and repairs of chemical and power plants, maintenance and installation of chemical and power plants, and construction management services

Engineering and consultation services for construction of chemical and power plants; Consulting service in the field of construction and maintenance of chemical and power plants, pipelines and construction projects requiring engineering and technical services; Technical engineering services for construction, operation, maintenance, repairs and installation of chemical and power plants, pipelines and various other construction projects requiring engineering and technical services and various other construction projects requiring engineering technical services