GS0401: Manufacturing services for others in the field of prefabricated houses and buildings; Manufacturing services for others in the field of house and building construction materials
GS0371: General construction contracting; Assembly of pre-fabricated houses; Assembly services relating to the installation of prefabricated buildings; Building construction and repair; Construction of building interiors; Construction of modular buildings; Consulting in the field of building construction; Residential and building construction consulting; Construction project management services in the field of residential buildings, commercial buildings, and factories