Halfaker & Associates

North American Industry Classification System (NAICS) Codes

• 518210 - Data Processing, Hosting, and Related Services
• 519130 - Internet Publishing and Broadcasting and Web Search Portals
• 541330 - Engineering Services
• 541430 - Graphic Design Services
• 541490 - Other Specialized Design Services
• 541511 - Custom Computer Programming Services
• 541512 - Computer Systems Design Services
• 541513 - Computer Facilities Management Services
• 541519 - Other Computer Related Services
• 541611 - Administrative Management and General Management Consulting Services
• 541618 - Other Management Consulting Services
• 541690 - Other Scientific and Technical Consulting Services
• 541990 - All Other Professional, Scientific, and Technical Services
• 561110 - Office Administrative Services
• 561210 - Facilities Support Services
• 561311 - Employment Placement Agencies
• 561320 - Temporary Help Services
• 561410 - Document Preparation Services
• 561421 - Telephone Answering Services
• 561422 - Telemarketing Bureaus and Other Contact Centers
• 561499 - All Other Business Support Services
• 561612 - Security Guards and Patrol Services
• 561920 - Convention and Trade Show Organizers
• 561990 - All Other Support Services (Visitors, Conventions, Meetings)
• 611699 - All Other Miscellaneous Schools and Instruction
• 811212 - Computer and Office Machine Repair and Maintenance