Procurement, namely, purchasing of equipment, machinery, process units, supplies and associated equipment for utility, industrial, commercial, governmental, public works, public accommodation, and infrastructure facilities, structures, and plants for others; business management services, namely, contract administration and project management services

Construction, repair, renovation, and replacement services for public and private accommodations and infrastructure facilities, building structures, plants; installation of construction materials for public and private accommodations and infrastructure facilities, building structures, plants; installation, repair and maintenance of building equipment; building maintenance services in the public and private sectors, namely, utility, industrial, and commercial companies and governments; building inspection and supervisory services, namely construction supervision and consultation in building construction supervision in connection with the forgoing in the public and private sectors, namely, utility, industrial, and commercial companies and government

Engineering in the public and private sectors, namely, utility, industrial, and commercial companies and governments; design services, namely, architectural design in the public and private sectors, namely, utility, industrial, and commercial companies an governments