NAICS / 541990

NAICS 541990 — Professional, Scientific, and Technical Services

NAICS 541990 covers professional, scientific, and technical services. As of October 16, 2026, there are 18 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 DEFENSE9

INTERIOR, DEPARTMENT OF THE3

COMMERCE, DEPARTMENT OF2

STATE, DEPARTMENT OF2

FEDERAL COMMUNICATIONS COMMISSION1

By Notice Type

Award Notice12

Combined Synopsis/Solicitation3

Justification2

Solicitation1

Upcoming Deadlines

Title	Agency	Deadline
USAC RFP: Oracle Operations and Maintenance Services	FEDERAL COMMUNICATIONS COMMISSION	10/26/2026
Vandenberg SFB Tank Inspection	DEPT OF DEFENSE	10/30/2026
U.S. Embassy Mexico—International Narcotics & Law Enforcement Affairs (INL Mexico) CONOCER Criminal Analyst Certification Services	STATE, DEPARTMENT OF	11/1/2026

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