541512 – Computer Systems Design Services
541330 – Engineering Services
541511 – Custom Computer Programming Services
518210 – Data Processing, Hosting, & Related Services
517311 – Wired Telecommunications Carrier
517919 – All Other Telecommunications
541611 – Administrative Management & General Management Consulting Services
541715 – Research & Dev. In the Physical, Engineering, & Life Sciences*
541519 – Other Computer-Related Services
541513 – Computer Facilities Management Services
541380 – Testing Laboratories And Services
334310 – Audio And Video Equipment Manufacturing
423430 – Computer And Computer Peripheral Equipment And Software Merchant Wholesalers
541614 – Process, Physical Distribution, And Logistics Consulting Services
541618 – Other Management Consulting Services
541690 – Other Scientific And Technical Consulting Services
541713 – Research And Development In Nanotechnology
541714 – Research And Development In Biotechnology (Except Nanobiotechnology)
541990 – All Other Professional, Scientific, And Technical Services
561210 – Facilities Support Services
561410 – Document Preparation Services
561621 – Security Systems Services (Except Locksmiths)
611420 – Computer Training
928110 – National Security
