Development of land [construction]; Building construction supervision; Renovation and restoration of buildings; Installation, maintenance and repair of wireless infrastructure systems and wireless communication systems and notably cellular phone transmission towers, cellular television towers and radio transmission towers”; Maintenance services and notably maintaining external networks utilized in public utility infrastructure, notably electrical, gas, water, and sewer industries; Infrastructure management, notably utility management [installation and maintenance], and notably power generation and distribution, heat generation and distribution, fuel systems, potable water, storm and sanitary systems and solid waste collection; Installation of underground utility lines, notably water, sewage, oil, gas, cablevision, electric, and telephonic; Trenchless technology methods, notably tunneling, micro-tunneling (MTM), horizontal directional drilling (HDD) also known as directional boring, pipe ramming (PR), pipe jacking (PJ), moling, horizontal auger boring (HAB) and other methods for the installation of pipelines and cables below the ground with minimal excavation; Consultation in building construction supervision; Project management in the field of building construction; Maintenance and repair of a public transportation system providing transportation services via bus, rail, tram, LRT and underground; Roads and highways construction management; Bridge construction services; Construction management and planning [supervision], and implementing infrastructures for paper pulp and wood pulp, metal fabrication and finishing services and for manufacturing agriculture and food (Agri-food); Planning and adaptation [construction and maintenance] of industrial furnace thermal processes; Project management [supervision] in the field of building construction; Piping laying [construction] and construction management and planning services [supervision], and notably bulk material handling systems comprised of pipes, tubing, couplings, pumps, blowers, filters, valves; Mining services; Building of infrastructure in the field of mining; Constructing management [supervision] and implementation of Steam Assisted Gravity Drainage (SAGD) systems; Construction management [supervision] of natural gas plants, conventional oil batteries and water handling facilities that manage pressure tapping of water, sewer lines and water leaks; Construction management [supervision] and management and maintenance of compressor stations; Consulting services related to the construction of wellsites, well pads and satellites; Pipeline construction management [supervision] and planning services; Pipeline laying; Construction supervision, namely, on-site construction supervision of structural and civil engineering works; Provision of environmental services, namely site remediation [cleaning] and closure; Land remediation [cleaning] and site closure and reclamation services; Management services [construction]; Water installations and sewerage systems management [construction, maintenance and repair]; Project planning and management [construction supervision], and coordination and sequencing of construction stages; Scheduling of construction projects; Project and contract management services [construction], and notably building, development, construction management and planning, repair, maintenance, and renovation; Consulting services in the field of construction of highways, bridges, buildings, infrastructure, environment, land development and certification for public-private partnerships; Providing information relating to the construction, repair and maintenance of buildings; Maintenance and repair of building contents, namely aftersale service in respect of construction warranties, repair and maintenance required; Waste disposal services [cleaning]; Construction, installation and optimization of networks and network equipment in the field of construction of buildings.

Provision of switching and transmission systems to others and notably satellite telephone transmission and satellite television transmission; Providing access to telephony cable networks and cable television; Deployment and operation of wireless infrastructure systems and wireless communication systems and notably cellular phone transmission towers, cellular television towers and radio transmission towers; Personal communication services (PCS) also known as digital cellular services [wireless communication services].

Integrated distribution services of industrial, construction related and maintenance, repair and operations supplies; Public utility services in the form of electricity distribution; Infrastructure management [supervision], notably utility management, and notably power distribution, heat distribution, water distribution and solid waste collection; Transportation services, and notably master planning of the construction of roads and railways, urban design of roads and railways, transportation planning of roads and railways, computerized traffic micro-simulation modeling on roads and railways; Energy procurement services [distribution], and notably administration requirement to balance pre-purchased energy; Energy management services, and notably energy transmission and distribution; Management of Intelligent transportation systems, and notably variable message signs, intelligent traffic signals, camera systems, weather stations, lane management systems, road network detections [for others]; Management services of road traffic control and traffic, and notably providing road and traffic control personnel, providing road and traffic information, managing lane closures, providing traffic planning for short and long term traffic management projects, traffic management services, notably creating special event traffic plans for others, installation, rental and maintenance of road traffic barricades and road traffic signs; Coordination and sequencing of construction stages and suppliers' deliveries; distributing the optimum use of water resources.

Infrastructure management [supervision], notably utility management, and notably power generation, heat generation, fuel systems and treatment of potable water; Waste water treatment services; Mineral processing services; Production of hydropower; Production of wind energy; Production of solar, bioenergy, thermal and nuclear energy; Waste management services [treatment]; Waste management services [recycling]; Hazardous waste management.

Training [education] in the field of engineering, procurement and construction to provide quality assurance in the construction industry; Educational research services.

Mechanical, electrical and structural engineering; Engineering feasibility studies; Conducting of technical feasibility studies; Architectural sustainable design services; Project management in the field of telecommunication networks for others; Consulting services relating to urban redevelopment; Construction planning and notably planning of buildings and infrastructure systems for buildings; Engineering services relating to urban redevelopment; Writing of technical expertise, namely, preliminary studies and master servicing in the field of municipal infrastructure construction, maintenance and repair; Infrastructure design services, and notably design, development, engineering, network planning of networks and network equipment in the field of construction of buildings, roads and railways; Provision of consulting services, namely, environmental assessments to evaluate the significance of environmental hazards on municipal, suburban, rural and urban land, water and air; Aviation infrastructure consulting services; Engineering services, and notably transportation engineering; Project management services, and notably project execution planning and supervision in the field of construction of buildings and construction planning; Acoustical modeling of roads and railways for the prediction and prevention of traffic noise; Material testing services; Real-time visual simulation and prototyping in the field of transportation planning of roads and railways; Value engineering services, Design services and project development services all relating to heavy civil and infrastructure construction; Geophysical exploration for the oil, gas and mining industries; Designing infrastructures for paper pulp and wood pulp, metal fabrication and finishing services and for manufacturing agriculture and food (Agri-food); Research and development of new chemical processes; Surveying in the field of engineering, procurement, and construction, namely, geological surveying, and topographic survey; Startup and commissioning services in the field of engineering, procurement and construction to provide quality assurance in the construction industry; Engineering, procurement, and construction management project execution in the field of construction of buildings; Reviewing standards and practices to assure compliance with environmental regulations; Design of industrial spaces, and notably design criteria, mechanical design and plant specifications in the field of construction of buildings; Calibration services relating to instrumentation, control and automation equipment in manufacturing and construction industry; Geological surveying; Mineral and oil assaying; Consultation and research in the field of geology; Geological research; Geotechnical research; Preparation of mining technical reports; Environment consulting services in the field of mining; Design of Steam Assisted Gravity Drainage (SAGD) systems; Engineering services in the field of waste water and geotechnology; Produced water retention pond and dam safety systems design services; Energy feasibility studies; Project resource assessment for the planning of energy projects and resources; Scientific, evaluation and industrial research in the field of environmental technology; Environmental due diligence being the preparation of reports on environmental factors; Energy management services, notably environmental assessments and permitting; Provision of environmental services, notably environmental management, environmental sustainability and environmental corporate support; Consultancy and advisory services in the field of conservation of the natural environment; Environmental management systems services, notably obtaining environmental permits from regulatory authorities and social acceptability of noise, air quality, energy use, visual resources and evaluation of alternative solutions; Sustainable development services, and notably consulting in the field of environmental development; Air quality control services; Technical consulting in the fields of noise, acoustics and vibration reduction; environmental and socio-economic studies; Services in the fields of archaeology, anthropology and First Nations negotiations; Geomatics, visual simulations of building construction and cartography and mapping services; Environmental management services; Providing information in the field of environmental sustainability; Planning, developing and managing the optimum use of water resources; Technical consulting in the field of waste management; Geological research services; Building design management services; Consultancy services in the field of environmental health, environmental safety and environmental quality; Preparation of preliminary and final construction plans and specifications in the field of municipal infrastructure, notably, municipal roads and sidewalks, water distributions and treatments, land use planning, utilities, lighting; Roads and highways planning services; Process engineering services, namely, process design, process validation and BOP engineering in the field of construction of buildings; Planning of Steam Assisted Gravity Drainage (SAGD) systems, and notably fabrication, erection and assembly of pipe and equipment modules for thermal and Steam Assisted Gravity Drainage (SAGD) facilities in the heavy oil extraction sector; Landfill design; Real estate design; Sustainable building design; Planning and design of compressor stations; Project scheduling; Scheduling of construction projects; Environmental site assessments.

Forestry management consulting; Design services in the field of landscape architecture.

Information services relating to safety and notably providing information in the fields of fire safety and life safety of construction workers, buildings; Regulatory compliance services; Health and safety consultancy services in the field of facilities management, notably ensuring that buildings, systems and services are managed to meet the needs of clients for security and safety; Obtaining of building permits and approvals; Providing legal analysis of the environmental and social impact of construction projects.

Seals and seal sets; O-rings, oil seal units.