Primary
541611 – Administrative Management & General Management Consulting Services

Secondary
541511 – Custom Computer Programming Services
541512 – Computer Systems Design Services
541513 – Computer Facilities Management Services
541519 – Other Computer Related Services
541613 – Marketing Consulting Services
541618 – Other Management Consulting Services
561110 – Office Administrative Services
561410 – Document Preparation Services
561499 – All Other Business Support Services
517311 – Wired Telecommunications Carriers
541219 – Other Accounting Services
541330 – Engineering Services
541511 – Custom Computer Programming Services
541512 – Computer Systems Design Services
541513 – Computer Facilities Management Services
541519 – Other Computer Related Services
541715 – Research and Development in the Physical, Engineering, and Live Sciences (Except Biotechnology)
541990 – All Other Professional, Scientific, and Technical Services
561210 – Facilities Support Services
561612 – Security Guards and Patrol Services
811212 – Computer and Office Machine Repair and Maintenance