Asbestos removal; Building demolition; Construction and construction management of tunnels and underground structures; Construction and renovation of buildings; Construction and repair of buildings; Construction dewatering, namely, the removal of surface waters and groundwater to facilitate the construction of structures and pipelines; Construction management; Construction of airports; Construction of slurry wall and concrete structures; Consulting services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Custom construction and building renovation; Excavation services; Foundation contractor services; Hazardous waste disposal services; House and building demolition; Installation of vehicular and pedestrian bridges; Installation of slurry wall; Installation, maintenance and repair of bridges and tunnels; Maintenance and/or repair of bridges and tunnels; Marine construction; Paving contractor services; Pier construction; Repair and maintenance of buildings in case of demolition; Repair or maintenance of nuclear power plants; Repair or maintenance of water pollution control equipment; Residential and commercial building construction; Road construction; Road paving; Scaffolding, earthworks or concrete construction; Snow removal services; Soil erosion control services; Solid waste landfill services; Steel structure construction works; Street construction; Technical support services, namely, technical advice related to the installation of bridges and tunnels; Underwater dredging; Waste disposal for others

Custom building of manholes, intakes, outfalls and perimeter security enhancement; Custom construction of manholes, intakes, outfalls and perimeter security enhancement; Decontamination of hazardous materials; Decontamination of nuclear waste; Demolition services, not buildings; Detoxification of hazardous materials; Environmental remediation services, namely, treatment of soil, waste and/or water; Hazardous waste management; Incineration of waste; Industrial toxic waste disposal; Nuclear waste treatment; Sorting of waste and recyclable material; Treatment of waste water; Waste incineration; Waste management; Waste treatment; Waste treatment services; Waste water reprocessing; Waste water treatment services; Water treatment services

Consultation services concerning homeland safety and security issues; Consulting services in the field of homeland security; Consulting services in the field of maintaining the security and integrity of databases; Consulting services in the field of national security; Control of building environmental access and security systems; Providing consultation and information in the field of emergency response for communities; Providing information concerning homeland safety and security issues; Security consultancy; Security services, namely, providing security assessments for businesses and governmental agencies; Security services, namely, providing security assessments of physical locations, information systems, and working environments; Security services, namely, water vulnerability assessment services; Security threat analysis for protecting public safety