238210 – Electrical Contractors and Other Wiring Installation Contractors
334119 – Other Computer Peripheral Equipment Manufacturing
423430 – Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
424120 – Stationery and Office Supplies Merchant Wholesalers
511210 – Software Publishers
517110 – Wired Telecommunications Carriers
518210 – Data Processing, Hosting, and Related Services
532420 – Office Machinery and Equipment Rental and Leasing
541330 – Engineering 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
611420 – Computer Training
811212 – Computer and Office Machine Repair and Maintenance