Primary NAICS Codes

Primary NAICS Codes

213112: Support Activities for Oil and Gas Operations
236210: Industrial Building Construction
236220: Commercial and Institutional Building Construction
237120: Oil and Gas Pipeline and Related Structures Construction
237130: Power and Communication Line and Related Structures Construction
541330: Engineering Services
541519: Other Computer Related Services
541611: Administrative Management and General Management Consulting Services
541620: Environmental Consulting Services
541690: Other Scientific and Technical Consulting Services
541990: All Other Professional Scientific and Technical Services
611430: Professional and Management Development Training
562910: Remediation Services
611430: Professional and Management Development Training