professional business consulting, marketing research, commercial sales information supply, namely, magazine and brochure publication to provide information regarding third-party goods for mail-order providing visitor reception, information, and room location services in commercial buildings for others

building management, agency and brokerage for renting of buildings, building leasing, purchase and sales of buildings, agency and brokerage for purchases and sales of buildings, appraisal and evaluation of buildings and land, land management, agency and brokerage for renting land, land leasing, purchase and sale of land, and agency and brokerage for purchase and sale of land, providing building and land price information to potential purchasers

general building construction; underwater dredging; road paving, masonry; window glazing; steel building construction; plastering; carpentry; tile/brick/block laying; joinery; reinforcing rod installation work prior to concrete deposition for ferro-concrete (concrete steel) buildings; building painting; scaffolding/earthworks/concrete construction provided in support of building construction, road repairing, and shore-protection work; interior finishing, namely, sealing and caulking, building sealing and damp-proofing, roofing, installation; plumbing; installation of heavy-weight construction machinery, such as generators and large tooling machines; well drilling; electrical contracting; telephone installation; installation of building insulation; repair and maintenance of motor vehicles, elevators, fire alarms, office machines and equipment, air conditioning apparatus, gas burners, boilers, heat pumps, freezers, freezing equipment, and computers, namely, central processing units, programmed data-carrying electronic circuits and magnetic discs and other peripheral equipment; chimney sweeping; cleaning of building exterior surfaces; window cleaning; carpet and rug cleaning; floor polishing; septic tank cleaning; bathtub and bath boiler cleaning; vermin exterminating, other than for agriculture, forestry, and horticulture; renting and leasing of floor cleaning equipment and mop rental; disposal of domestic and industrial waste and trash; sheet metal drilling and perforation using iron plate and other metal sheeting

general civil engineering, facility guarding and security and personal bodyguarding, environmental services, namely, air quality testing