Federal Contracts in NAICS 541990 (All Other Professional, Scientific, and Technical Services)

1,957 total opportunities indexed 392 award notices 1,565 open / pre-award

What is NAICS 541990?

Catch-all NAICS for professional services not classified elsewhere — translation, expert-witness work, weather forecasting, paranormal investigation (yes, really), and consulting outside the management/engineering/IT silos.

SBA small-business size standard: $19.5M average annual receipts

Top Awardees in NAICS 541990

Vendor	Awards	Total Value
INALAB CONSULTING, INC. CAGE 4B5M3	24	$5.3M
MONTECH INC CAGE 6CT33	18	$2.1M
ILLUMINA, INC. CAGE 1WCS2	5	$2.7M
LBT DIAGNOSTIC RADIATION PHYSICS CONSULTING LTD CAGE 5DRF5	4	$786K
XCELLENT TECHNOLOGY SOLUTIONS, INC CAGE 41MK0	4	$2.8M
BATTELLE MEMORIAL INSTITUTE CAGE 79986	3	$93.7M
AKIMA SYSTEMS ENGINEERING LLC CAGE 7W2J0	3	$195K
CCI CONSTRUCTION AND ENERGY SERVICES, LLC CAGE 847P7	2	$274K
DRODEX INC CAGE 6QTS6	2	$2.9M
SAGE, LLC CAGE 8JN91	2	$647K
WMA NOXIOUS WEED/RANGE SPECIALISTS LLC CAGE 6AFQ5	2	$235K
PAR EXCELLENCE SYSTEMS, INC CAGE 65TR8	2	$58K
POLOLEI SOLUTIONS, LLC CAGE 7Z0V4	2	$2.2M
BOOZ ALLEN HAMILTON INC CAGE 17038	2	$63.5M
MICHIGAN STATE UNIVERSITY CAGE 4B834	2	$180K
A.I.S., Inc. CAGE 1HBX3	2	$25.8M
ACR CONSULTANTS, INC. CAGE 3UPS0	2	$4.0M
HOPE ARCHAEOLOGY INC CAGE 4MRG4	2	$4.0M
TECH62 INC CAGE 6DX32	2	$509K
ADVENCO LLC CAGE 91C62	2	$765K

Award Trends (2024-2026)

Year	Awards	Total Obligated
2026	313	$2.9B
2025	66	$179.2M
2024	13	$25.6M

Top Buying Agencies

Agency	Solicitations
DEPT OF DEFENSE	715
INTERIOR, DEPARTMENT OF THE	323
VETERANS AFFAIRS, DEPARTMENT OF	172
GENERAL SERVICES ADMINISTRATION	163
HEALTH AND HUMAN SERVICES, DEPARTMENT OF	142
COMMERCE, DEPARTMENT OF	104
TRANSPORTATION, DEPARTMENT OF	74
HOMELAND SECURITY, DEPARTMENT OF	43
AGRICULTURE, DEPARTMENT OF	30
STATE, DEPARTMENT OF	30

Set-Aside Breakdown

Set-Aside Type	Opportunities
Open / Full and Open	893
SBA	428
NONE	351
SDVOSBC	120
8A	86
WOSB	28
8AN	13
SDVOSBS	12
HZC	11
SBP	8
BICiv	6
VSA	1

Active Opportunities

Title	Agency	Deadline
USAC RFP: Oracle Operations and Maintenance Services	FEDERAL COMMUNICATIONS COMMISSION	2026-10-26T15:00:00+00:00
Event Data Recorders	STATE, DEPARTMENT OF	2026-09-29T16:00:00+00:00
U.S. Embassy Mexico—International Narcotics & Law Enforcement Affairs (INL Mexico) CONOCER Criminal Analyst Certificatio	STATE, DEPARTMENT OF	2026-11-01T23:00:00+00:00
Cultural Relations Specialist (CRS) - CJTF HOA	DEPT OF DEFENSE	2026-09-29T12:00:00+00:00
ACC-APG Industry Update November 2026: Registration and request for topics	DEPT OF DEFENSE	2026-12-16T04:59:00+00:00
USACE Enterprise-Wide Trident Services	DEPT OF DEFENSE	2026-10-13T18:00:00+00:00
Naval Center for Combat and Operational Stress Control	DEPT OF DEFENSE	2026-10-01T16:00:00+00:00
CEQ Solutions Marketplace and Public-Private Partnership Engagement Support Task Order 094-80JSC026F0110	NATIONAL AERONAUTICS AND SPACE ADMINISTRATION	2026-10-23T12:00:00+00:00
Romania Follow on (FY27)	DEPT OF DEFENSE	2026-10-08T20:00:00+00:00
711th HPW Mission Support Services MAC IDIQ	DEPT OF DEFENSE	2026-10-02T14:00:00+00:00

How to Bid Federal Contracts in NAICS 541990

Because this is a catch-all, bid strategy depends heavily on the specific sub-domain. Keyword-search opportunities by 'PSC code' (Product Service Code) within NAICS 541990 to find ones that match your firm's actual service line.

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