NAICS 541512Computer Systems Design Services

Covers planning and designing computer systems that integrate hardware, software, and communication technologies, including systems integration and network design. This is the most heavily used IT services code in federal contracting.

Size standard

$34.0 million average annual receipts

Sector: Professional, Scientific, and Technical Services

Top buying agencies

  • Department of Defense
  • Department of Homeland Security
  • GSA
  • NASA

Includes

  • Systems integration
  • Network and cloud architecture design
  • Information systems consulting

Excludes

  • Custom programming only (541511)
  • Facilities management of client systems (541513)

Bidding tips for 541512

  • Expect cybersecurity clauses — confirm CMMC and clearance requirements before bidding
  • Show architecture artifacts from comparable environments
  • Address transition and phase-in risk explicitly

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