NAICS 541990 · Professional, Scientific, and Technical Services

All Other Professional, Scientific, and Technical Services

39,390 active contractors list NAICS 541990 (All Other Professional, Scientific, and Technical Services) in SAM.gov; 27,993 are small under its SBA size standard and 6,366 list it as their primary NAICS.

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Active contractors: 39,390
Small under 541990SBA size standard for this code: 27,993
Primary NAICSTheir main line of business: 6,366
Hidden registrationsExcluded, expired or inactive: 528

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Live RFPs in this NAICS
Open SAM.gov solicitations coded 541990, matched to teaming partners.
Expiring awards
Incumbent contracts in 541990 heading to recompete in the next 18 months.
Small under 541990
Partners SAM.gov lists as small under this code: the size check a set-aside uses.

Size is NAICS-specific: a firm can be small under one code and other than small under another. Learn more about small business set-asides

Contractors listing NAICS 541990

Claimed profiles come first by membership level, then companies with 541990 as their primary NAICS, then federal obligations over the last 36 months. SPRS shows the highest blind bracket met, never the score. Learn more about blind SPRS brackets

528 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them

Showing 4,381–4,400 of 39,390 contractors

NORSE GROUP, LLC
UEIQHKQFN8MWDK9CAGE14W22
Location: BYRON, GASocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHBRIDGE LLC
UEIUCNJG75MQE51CAGE18LZ0
Location: AMERICAN FORK, UTSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHCLAW LLC
UEIQQQSAND6LLC4CAGE25FT8
Location: CHARLES TOWN, WVSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHEAST GAS ASSOCIATION, INC.
UEIJAMCN3MVWRF3CAGE31GU1
Location: WESTBOROUGH, MA
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHERN PLAINS WEATHER SERVICES, LLC
UEICJC2RAZLLB17CAGE13ZH1
Location: RAPID CITY, SDSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTH FLORIDA DIVING SERVICES, LLC
DBA NORTH FLORIDA DIVING SERVICES LLC
UEIJAXNUMZHVDY5CAGE9DWH1
Location: TALLAHASSEE, FLSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTH GULF OCEANIC SOCIETY
UEIEKWVM43QTWS4CAGE3HYQ2
Location: HOMER, AK
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTH JOFFE-NELSON
UEIZ3XJDYFT2LD4CAGE1AGU6
Location: URBANA, IL
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHLINE SAFETY SOLUTIONS LLC
UEID934XMW22ZU3CAGE19RD0
Location: CHICAGO, ILSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORP
UEICTNVXSNXP576CAGE318U8
Location: MADISON, AL
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEIC778K6FBB7G9CAGE8L7J8
Location: Hanover, MD
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEINP4KMYJL82B5CAGE0AAF6
Location: AURORA, CO
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEINTWLQLLJ63D5CAGE1B054
Location: FAIRFAX, VA
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEIX1MRDHSQMJ58CAGE5YRP9
Location: CHANTILLY, VA
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEIYV6LBTHNVE83CAGE4U975
Location: BELLEVUE, NE
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEIZXNGPY1BLG94CAGE5V1X2
Location: ORLANDO, FL
Primary NAICSNot listed as small under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTH SEATTLE COMMUNITY COLLEGE FOUNDATION
DBA AMERICAN FINANCIAL SOLUTIONS
UEIFGE3XWUEEKE7CAGE75Q74
Location: SEATTLE, WASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHSTAR-IS, INC
UEIXB6NBK6VVNU3CAGE9HHL9
Location: FOLSOM, CASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTHSTAR SYSTEMS LLC
UEIY6RSUWCGRK29CAGE8Z7K9
Location: HERNDON, VASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file
NORTH STAR TECHNOLOGIES LLC
UEIVLEPFS2NR5G5CAGE7VHF3
Location: OAKLAND, MDSocio-economic status (SAM.gov): SBWOSB
Primary NAICSSmall under 541990
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file

Contractors listing NAICS 541990, page 220 of 1970
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
NORSE GROUP, LLC UEIQHKQFN8MWDK9CAGE14W22 Location: BYRON, GASocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHBRIDGE LLC UEIUCNJG75MQE51CAGE18LZ0 Location: AMERICAN FORK, UTSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHCLAW LLC UEIQQQSAND6LLC4CAGE25FT8 Location: CHARLES TOWN, WVSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHEAST GAS ASSOCIATION, INC. UEIJAMCN3MVWRF3CAGE31GU1 Location: WESTBOROUGH, MA	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHERN PLAINS WEATHER SERVICES, LLC UEICJC2RAZLLB17CAGE13ZH1 Location: RAPID CITY, SDSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTH FLORIDA DIVING SERVICES, LLC DBA NORTH FLORIDA DIVING SERVICES LLC UEIJAXNUMZHVDY5CAGE9DWH1 Location: TALLAHASSEE, FLSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTH GULF OCEANIC SOCIETY UEIEKWVM43QTWS4CAGE3HYQ2 Location: HOMER, AK	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTH JOFFE-NELSON UEIZ3XJDYFT2LD4CAGE1AGU6 Location: URBANA, IL	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHLINE SAFETY SOLUTIONS LLC UEID934XMW22ZU3CAGE19RD0 Location: CHICAGO, ILSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORP UEICTNVXSNXP576CAGE318U8 Location: MADISON, AL	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION UEIC778K6FBB7G9CAGE8L7J8 Location: Hanover, MD	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION UEINP4KMYJL82B5CAGE0AAF6 Location: AURORA, CO	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION UEINTWLQLLJ63D5CAGE1B054 Location: FAIRFAX, VA	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION UEIX1MRDHSQMJ58CAGE5YRP9 Location: CHANTILLY, VA	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION UEIYV6LBTHNVE83CAGE4U975 Location: BELLEVUE, NE	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHROP GRUMMAN SYSTEMS CORPORATION UEIZXNGPY1BLG94CAGE5V1X2 Location: ORLANDO, FL	Primary NAICSNot listed as small under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTH SEATTLE COMMUNITY COLLEGE FOUNDATION DBA AMERICAN FINANCIAL SOLUTIONS UEIFGE3XWUEEKE7CAGE75Q74 Location: SEATTLE, WASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHSTAR-IS, INC UEIXB6NBK6VVNU3CAGE9HHL9 Location: FOLSOM, CASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTHSTAR SYSTEMS LLC UEIY6RSUWCGRK29CAGE8Z7K9 Location: HERNDON, VASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file
NORTH STAR TECHNOLOGIES LLC UEIVLEPFS2NR5G5CAGE7VHF3 Location: OAKLAND, MDSocio-economic status (SAM.gov): SBWOSB	Primary NAICSSmall under 541990	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	None on file

Codes these contractors list most often alongside 541990: natural teaming adjacencies.

All Other Professional, Scientific, and Technical Services

Work this industry

Contractors listing NAICS 541990

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