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35
Advertising; business management; business administration; office functions
business consultation and advisory services in the fields of capital infrastructure, project planning, value engineering, costs details, risk management, and schedule analysis
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37
Building construction; repair; installation services
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, namely, bridges, abutments, and drainage; consulting services in the field of 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 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; oil, gas, and water pipeline construction, installation, laying, repair, rehabilitation, and maintenance services; construction, installation, repair, rehabilitation and maintenance services of compressor stations, pump stations, metering and regulator stations, processing plants, fuel tank farms, fueling facilities, port and wharf loading and unloading facilities, rail facilities, and refineries; construction, installation, repair, rehabilitation and maintenance services of pads, namely, structures for housing and supporting equipment and machinery, fuel and oil tanks, pumps, gathering and processing lines, mud pits, fresh water frac ponds; construction of storm water control infrastructure and site reclamation services; construction, installation, repair, rehabilitation and maintenance services of solar arrays for carports, ground-mounted, or rooftops; construction, installation, repair, rehabilitation and maintenance services of wind turbines
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40
Treatment of materials
custom building of manholes, intakes, outfalls and perimeter security enhancement, namely, bollards, fences, guard booths, and security gates; custom construction of manholes, intakes, outfalls and perimeter security enhancement, namely, bollards, fences, guard booths, and security gates; 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 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
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
project development and engineering services in the fields of solar energy, pipelines, marine ports, waste management, power plants, civil infrastructure, and civil construction
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45
Legal services; security services for the protection of property and individuals; personal and social services rendered by others to meet the needs of individuals
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