Construction services in the fields of optical networks, roads, bridges, airports, rail transit, power plants, residential buildings, water treatment plants, telecommunications relay towers, industrial plants, oil and gas pipelines; and offshore drilling platforms; quarry services; asphalting services; mining extraction services; and maintenance of residential and commercial buildings

museum services in the fields of science, technology, and human perception; educational services, namely, providing workshops in the fields of science, technology, engineering and math