[ Prefabricated, foldable metal buildings and related parts thereof, namely, metal siding and metal roofing; relocatable metal clad buildings for use as bunk houses, dormitories, camp kitchens, schools, motels, hotels, offices, class rooms, laundry facilities, wash rooms, offices, hospitals, recreational halls, and oil drill camps ]

[ Sewage disposal plants; sewage treatment plants ]

Trailers, namely, for use as offices and classrooms

[ Acoustic systems for use in industrial facilities, power generation plants, compressor, regulator, meter and pumping stations, namely, steel structural framing, subgirts, steel cladding, liner and flashing, mineral wool insulation, louvers, ventilation and turbine silencers, acoustic panels noise and vibration dampening materials; non-metal acoustic building heating, air conditioning and ventilation systems, namely, acoustic noise silencers, mufflers and acoustic walls ]

[ Prefabricated, foldable non-metal buildings and related parts thereof, namely, non-metal siding and roofing ]

Business project management services relating to power plants, radar sites, remote airports, weather stations and microwave towers; commissioning and operation of businesses for others, namely, power plants, radar sites, remote airports, weather stations and microwave towers

[ Brokerage of energy, namely, gas and electricity; leasing of buildings ]

[ Maintenance and repair of project facilities incorporated in defense systems, namely, radar sites, remote airports, weather stations and microwave towers; repair, maintenance, installation, upgrading, cleaning, and rehabilitation of wells, water works, sewage treatment plants and energy, water and waste facilities; ] construction, repair, maintenance, and installation of buildings; construction planning services; [ installation of interior acoustic and building enclosures, namely, walls, doors, roofs and windows; maintenance, construction, and repair services relating to noise reduction systems; ] maintenance, construction and repair services relating to electronic communication systems, namely, radar sites and central monitoring stations for radar data, microwave transmitters, receivers, power supplies and towers, satellite ground stations and radio transmitters and receivers; construction site selection services [ ; construction of noise reduction and acoustic structures ]

[ Utility services, namely, the transmission of electricity ]

Custom manufacture of modular buildings to the order and specification of others [ ; custom manufacture of interior acoustic and building enclosures, namely, walls, doors, roofs and windows to the order and specification of others; water treatment services ]

[ Training in the use and operation of remote radar systems ]

[ Design and engineering services relating to electronic communication systems, namely, radar sites and central monitoring stations for radar data, microwave transmitters, receivers, power supplies and towers, satellite ground stations and radio transmitters and receivers; industrial design services relating to noise reduction systems; design for others in the field of interior acoustic and building enclosures, namely, walls, doors, roofs and windows; design of noise reduction and acoustic structures for others; engineering services relating to noise reduction and acoustic structures for others; material testing relating to noise reduction and acoustic structures for others ]

Rental of portable modular buildings