541990: All Other Professional, Scientific, and Technical Services
Sector 54, Professional, Scientific, and Technical Services. Subsector 541, Professional, Scientific, and Technical Services. The public award record for this code: who buys it, who won it, what it went for, what recompetes soon.
Live numbers for NAICS 541990 appear here once the data engine has loaded award history. The public sources are being read now.
Open right now under NAICS 541990
97 open notices on SAM.gov, 1 closing within seven days. The newest 12:
| Posted | Notice | Buyer | NAICS | Set-aside | Due |
|---|---|---|---|---|---|
| Sep 11, 2026 | Hawaiian false killer whale photo-identificationAward Notice · WA | DEPT OF COMMERCE NOAA | 541990 | SBA | not stated |
| Sep 11, 2026 | Purchase and Delivery of a Critical Freeze Dryer and AccessoriesCombined Synopsis/Solicitation · Beltsville MD | USDA-FS, CSA EAST 2 | 541990 | Sep 18, 2026 | |
| Sep 11, 2026 | Technical Support Services for the FHWA Office of Safety and Operations Research & DevelopmentSources Sought | 693JJ3 ACQUISITION AND GRANTS MGT | 541990 | Oct 9, 2026 | |
| Sep 3, 2026 | Navigation and Civil Works Data Analysis and System Support Professional ServicesAward Notice · Alexandria VA | W4LD USA HECSA | 541990 | SBP | not stated |
| Aug 29, 2026 | Record Retrieval ServicesCombined Synopsis/Solicitation · Houston TX | EOUSA-ACQUISITIONS STAFF | 541990 | SBA | Sep 1, 2026 |
| Aug 29, 2026 | B--Refining seasonal cetacean density modelsCombined Synopsis/Solicitation | DEPT OF COMMERCE NOAA | 541990 | SBA | Sep 7, 2026 |
| Aug 28, 2026 | SCIENTIFIC CONSULTANT WRITER SERVICESCombined Synopsis/Solicitation · Rockville MD | OMAS STRATEGIC BUYING CENTER - PROFESSIONAL SERVICES | 541990 | Sep 1, 2026 | |
| Aug 21, 2026 | AN12--Research support for the Division of Population Health and Data Science at the Massachusetts Veterans EAward Notice | RPO EAST (36C24E) | 541990 | not stated | |
| Aug 20, 2026 | Q504--Dermatology Wall LightCombined Synopsis/Solicitation | 244-NETWORK CONTRACT OFFICE 4 (36C244) | 541990 | Aug 17, 2026 | |
| Aug 14, 2026 | Multiple Award ScheduleAward Notice | GSA/FAS FURNITURE SYSTEMS MGT DIV | 541990 | Aug 14, 2026 | |
| Aug 14, 2026 | laboratory services for tree ring samplesSolicitation | OFFICE OF ACQUISITON GRANTS | 541990 | Aug 25, 2026 | |
| Aug 7, 2026 | WYAO Woodward Gov Cabinet AssessmentCombined Synopsis/Solicitation | GREAT PLAINS REGIONAL OFFICE | 541990 | SBA | Sep 7, 2026 |
Where this code sits
NAICS 541990 is a six-digit national industry in the 2022 North American Industry Classification System. It sits under industry group 5419 (Other Professional, Scientific, and Technical Services), NAICS industry 54199 (All Other Professional, Scientific, and Technical Services), in subsector 541 (Professional, Scientific, and Technical Services) of sector 54 (Professional, Scientific, and Technical Services).
Federal buyers assign one NAICS code to each award and each notice. The code describes the kind of business the buyer expects to perform the work, not the item itself; the item is described by the PSC code. The numbers above come from awards and notices carrying this exact code. Related work often sits in the neighboring codes listed below, so watch the neighbors too.
The official definition, with what the code includes and excludes, is on the Census NAICS page linked at the bottom.
Codes near this one
The other national industries in group 5419, Other Professional, Scientific, and Technical Services.
How to use this page
Who bought it ranks contracting offices by what they obligated under this code. Who won it ranks vendors after names are resolved to one record each. What it went for shows award size bands; the median describes a typical award better than the average. What recompetes soon lists awards whose period of performance ends inside twelve months.
A code with nothing on record yet says so. History loads one subsector and fiscal year at a time, so quiet codes and older years fill in last. Members see the individual awards and notices behind every number, buyer and incumbent profiles, alerts and briefs.
Related
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- Recompete radarContracts in this code coming due.
- Award historyWho won last time and at what price.
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