NAICS / 541611

NAICS 541611 — Professional, Scientific, and Technical Services

NAICS 541611 covers professional, scientific, and technical services. As of October 16, 2026, there are 19 open federal solicitations classified under this code, most frequently issued by DEPT OF DEFENSE.

Data as of October 1, 2026, reconciled daily from official federal sources.

Top Buying Agencies

DEPT OF DEFENSE11

STATE, DEPARTMENT OF3

VETERANS AFFAIRS, DEPARTMENT OF2

ARCHITECT OF THE CAPITOL1

HOMELAND SECURITY, DEPARTMENT OF1

By Notice Type

Award Notice10

Justification7

Solicitation1

Sources Sought1

Upcoming Deadlines

Title	Agency	Deadline
Management Capacity Study	ARCHITECT OF THE CAPITOL	10/29/2026

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