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General Services Administration NAICS 561990 and PSC D399 contractors

All Other Support Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 561990 · PSC D399
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$3,553,060,526

State overlap

3

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 561990 and PSC D399