HGI’s NAICS codes include the following:

485999 All Other Transit and Ground Passenger Transportation
488991 Packing and Creating
541330 Engineering Services
541511 Customer Computer Programming Services
541512 Computer Systems Design Services
541519 Other Computer Related Services
541611 Admin Management & General Management Consulting Services
447190 Other gasoline stations

541614 Process, Physical Distribution, and Logistics Consulting Services
541618 Other Management Consulting Services
561210 Facility Support Services
921190 Other General Government Support
811111 General Automotive Repair
561110 Office Administrative Services
541513 Computer Facilities Management Services
488190 Other air transportation support activities