423430—Computer and Computer Peripheral Equipment and Software
511210—Software Publishers
517110—Wired Telecommunications Carriers
517911—Telecommunications Resellers
518210—Data Processing, Hosting and Related Services
519130—Internet Publishing and Broadcasting and Web Search Portals
519190—All Other Information Services
532420—Office Machinery and Equipment Rental and Leasing
541511—Custom Computer Programming Services
541512—Computer Systems Design Services
541513—Computer Facilities Management Services
541519—Other Computer Related Services
611420—Computer Training
611691—Exam Preparation and Tutoring
811212—Computer and Office Machine Repair and Maintenance

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423430—Computer and Computer Peripheral Equipment and Software

• Merchant wholesalers
• Computer boards, loaded, merchant wholesalers
• Computer peripheral equipment merchant wholesalers
• Computer printers merchant wholesalers
• Computer software, packaged, merchant wholesalers
• Computers merchant wholesalers
• Data Processing machines, computer, merchant wholesalers
• Disk drives, computer, merchant wholesalers
• Game software merchant wholesalers
• Loaded computer boards merchant wholesalers
• Mother boards merchant wholesalers
• Peripheral equipment, computer, merchant wholesalers
• Printers, computer, merchant wholesalers
• Software, computer, packaged merchant wholesalers

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511210—Software Publishers

• Applications software, computer, packaged
• Computer software publishers, packaged
• Computer software publishing and reproduction
• Games, computer software, publishing
• Operating systems software, computer, packaged
• Packaged computer software publishers
• Programming language and compiler software publishers, packaged
• Publishers, packaged computer software
• Software computer, packaged, publishers
• Software publishers
• Software publishers, packaged
• Utility software, computer, packaged

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517110—Wired Telecommunications Carriers

• Facilities-based telecommunications carriers (except wireless)
• Local telephone carriers (except wireless)
• Long-distance telephone carriers
• Telecommunications carriers
• Telecommunications networks
• Telegram services
• Telephone installation services

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517911—Telecommunications Resellers

• Long-distance telecommunication resellers (except satellite)
• Microwave telecommunication resellers
• Pre-paid calling cards, telecommunications resellers
• Resellers, telecommunication (except satellite)
• Telecommunications resellers
• Telephone communications resellers (except satellite)
• Wire telecommunication resellers
• Wireless telecommunication resellers (except satellite)

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518210—Data Processing, Hosting and Related Services

• Application hosting
• Application Service Providers (ASPs)
• Automated data processing
• Computer input preparation
• Data capture imaging services
• Data entry services
• Data processing
• Data warehousing
• Document imaging
• Electronic data processing
• Media streaming
• Microfiche/Microfilm services
• Scanning services
• Storage area networks
• Web hosting

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519130—Internet Publishing and Broadcasting and Web Search Portals

• Broadcasting exclusively on the Internet
• Internet broadcasting
• Internet video broadcast
• Special interest portals
• Video broadcasting, exclusively on the Internet
• Web broadcasting
• Web search portals

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  519190—All Other Information Services

• Call centers
• Distance learning
• E-Commerce
• Telephone-based recorded information services
• Video conferencing

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532420—Office Machinery and Equipment Rental and Leasing

• Cash register rental or leasing
• Computer peripheral equipment rental or leasing
• Computer rental or leasing
• Copier rental or leasing
• Duplicating machine (e.g., copier) rental or leasing
• Facsimile machine rental or leasing
• Fax machine rental or leasing
• Furniture, office, rental or leasing
• Mailing equipment rental or leasing
• Office furniture rental or leasing
• Office machinery and equipment rental or leasing

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541511—Custom Computer Programming Services

• Applications software programming services
• Computer program of software development
• Computer programming services
• Computer software support services
• Database design/generation
• Legacy interfaces/data migration
• Software analysis and design
• Software programming
• Software testing
• Web design

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541512—Computer Systems Design Services

• Business Process Reengineering (BPR)
• Cabling and wiring
• Computer-aided design (CAD) services
• Computer-aided engineering (CAE) services
• Computer-aided manufacturing (CAM) services
• Computer hardware consulting services
• Computer software consulting services
• Computer systems integration analysis and design
• Computer systems integration design consulting
• Configuration management
• Enterprise architecture development
• Enterprise resource planning (ERP)
• Hardware
• IT capital planning management
• LAN/WAN design
• Network design and installation
• Network systems integration
• Systems analysis
• Systems integration

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541513—Computer Facilities Management Services

• Computer operations/support
• Computer systems facilities services
• Data processing facilities services
• End user support
• Equipment inventory and maintenance
• Facilities management, operation and support
• Facilities planning
• Hardware/software maintenance
• Help desk
• Network management

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541519—Other Computer Related Services

• Computer disaster recovery
• Contingency planning
• Disaster preparedness/recovery
• Documentation
• Information assurance and security
• Independent verification and validation
• Software installation
• Virus detection/recovery

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611420—Computer Training

• Computer operator training
• Computer programming schools
• Computer software training
• Computer training (except repair)
• Local area network (LAN) management training
• Software application training

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611691—Exam Preparation and Tutoring

• Academic tutoring services
• Adult literacy instruction
• College board preparation centers
• College entrance exam preparation instruction
• Exam preparation services
• Learning centers offering remedial courses
• Professional examination review instructions
• Tutoring, academic

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811212—Computer and Office Machine Repair and Maintenance

• Computer equipment repair and maintenance services without retailing new computer
• Computer peripheral equipment repair and maintenance, without retailing new computer
• Computer repair and maintenance services, without retailing new computers
• Office machine repair and maintenance services (except communication equipment)
• Photocopying machine repair and maintenance services without retailing new photocopiers
• Recycling inkjet cartridges
• Typewriter repair and maintenance services