NAICS 541990 · Professional, Scientific, and Technical Services

All Other Professional, Scientific, and Technical Services

39,391 active contractors list NAICS 541990 (All Other Professional, Scientific, and Technical Services) in SAM.gov; 28,009 are small under its SBA size standard and 6,366 list it as their primary NAICS.

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Active contractors: 39,391
Small under 541990SBA size standard for this code: 28,009
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 33,961–33,980 of 39,391 contractors

SIDE HUSTLE MOMMIE, LLC
UEIXWEUN8UWNAN6CAGE25RJ3
Location: SAINT ALBANS, NYSocio-economic status (SAM.gov): SBSDBWOSB
Secondary 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
SIDEWINDERS LLC
UEITMNEJRJ19EP9CAGE7H4U0
Location: BLUFFDALE, UTSocio-economic status (SAM.gov): SBWOSB
Secondary 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
SID MUNSHI INC.
UEIX521YUVNWQA3CAGE99PP7
Location: KENNER, LASocio-economic status (SAM.gov): SBWOSB
Secondary 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
SIDNEY SMITH
UEIRWSVB43CNTH9CAGE24EN5
Location: SAINT PETERSBURG, FLSocio-economic status (SAM.gov): SBSDB
Secondary 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
SIDNEY-WEISS SOLUTIONS LLC
UEIPDPQVKW1F1N1CAGE9RZC4
Location: LAKELAND, FLSocio-economic status (SAM.gov): SB
Secondary 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
SIDOCK GROUP, INC.
UEIJJ27AGKWHA95CAGE4FV66
Location: NOVI, MISocio-economic status (SAM.gov): SB
Secondary 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
SIEGEL, JAY
UEINLK8EDNLRZ59CAGE7NRR6
Location: COLD SPRING, NYSocio-economic status (SAM.gov): SB
Secondary 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
SIE GLOBAL ENTERPRISES LLC
UEIDHHVHLRELBW4CAGE832E6
Location: CLARKSVILLE, TNSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary 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
SIEMABLE LLC
UEIU7UVP4NVN853CAGE20QR8
Location: HERNDON, VASocio-economic status (SAM.gov): SB
Secondary 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
SIENNA DYNAMICS, INC.
UEISQPKJMTWJUQ8CAGE8MGH0
Location: SAN JOSE, CA
Secondary 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 expiringObligated, 36 mo: None on file
SIENNA SYSTEMS CORP
UEIZU7ZYL4U4GT7CAGE5ZT95
Location: ASHBURN, VASocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary 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
SIERRA7, INC.
UEINP4TUKF8QCM5CAGE5SUJ1
Location: MCLEAN, VASocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
Secondary 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
SIERRA ECS LLC
UEIJGRZCMD4N2H3CAGE9V9P6
Location: GILBERT, AZSocio-economic status (SAM.gov): SBSDBWOSB
Secondary 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
SIERRA GOLF STRATEGIES, LLC
UEICPLRPYRZAX14CAGE109C5
Location: OMAHA, NE
Secondary 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
SIERRA HOLDINGS INC
UEIC1LQZLSMWV71CAGE9AEK4
Location: BOWIE, MDSocio-economic status (SAM.gov): SBSDB
Secondary 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 expiringObligated, 36 mo: None on file
SIERRA MICROPRODUCTS INC
UEIGF9WLHLNFPY6CAGE5XW85
Location: BURLINGTON, WASocio-economic status (SAM.gov): SB
Secondary 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
SIERRA NEVADA COMPANY, LLC
DBA SIERRA NEVADA CORP
UEIEWEBFNB7M9K8CAGE82H19
Location: SOUTHERN PINES, NC
Secondary 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
SIERRA NEVADA COMPANY, LLC
DBA SIERRA NEVADA CORP
UEIJUU4BSF8KJK1CAGE1YCS0
Location: LOS GATOS, CA
Secondary 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
SIERRA NEVADA COMPANY, LLC
DBA SIERRA NEVADA CORP
UEIKNHPDKTAJNV7CAGE6V7E8
Location: HUNTSVILLE, AL
Secondary 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
SIERRA NEVADA COMPANY, LLC
UEIQ94DX5QP6J96CAGE0V0K0
Location: PLANO, TX
Secondary 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

Contractors listing NAICS 541990, page 1699 of 1970
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
SIDE HUSTLE MOMMIE, LLC UEIXWEUN8UWNAN6CAGE25RJ3 Location: SAINT ALBANS, NYSocio-economic status (SAM.gov): SBSDBWOSB	Secondary 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
SIDEWINDERS LLC UEITMNEJRJ19EP9CAGE7H4U0 Location: BLUFFDALE, UTSocio-economic status (SAM.gov): SBWOSB	Secondary 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
SID MUNSHI INC. UEIX521YUVNWQA3CAGE99PP7 Location: KENNER, LASocio-economic status (SAM.gov): SBWOSB	Secondary 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
SIDNEY SMITH UEIRWSVB43CNTH9CAGE24EN5 Location: SAINT PETERSBURG, FLSocio-economic status (SAM.gov): SBSDB	Secondary 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
SIDNEY-WEISS SOLUTIONS LLC UEIPDPQVKW1F1N1CAGE9RZC4 Location: LAKELAND, FLSocio-economic status (SAM.gov): SB	Secondary 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
SIDOCK GROUP, INC. UEIJJ27AGKWHA95CAGE4FV66 Location: NOVI, MISocio-economic status (SAM.gov): SB	Secondary 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
SIEGEL, JAY UEINLK8EDNLRZ59CAGE7NRR6 Location: COLD SPRING, NYSocio-economic status (SAM.gov): SB	Secondary 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
SIE GLOBAL ENTERPRISES LLC UEIDHHVHLRELBW4CAGE832E6 Location: CLARKSVILLE, TNSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary 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
SIEMABLE LLC UEIU7UVP4NVN853CAGE20QR8 Location: HERNDON, VASocio-economic status (SAM.gov): SB	Secondary 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
SIENNA DYNAMICS, INC. UEISQPKJMTWJUQ8CAGE8MGH0 Location: SAN JOSE, CA	Secondary 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 expiring	None on file
SIENNA SYSTEMS CORP UEIZU7ZYL4U4GT7CAGE5ZT95 Location: ASHBURN, VASocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary 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
SIERRA7, INC. UEINP4TUKF8QCM5CAGE5SUJ1 Location: MCLEAN, VASocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	Secondary 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
SIERRA ECS LLC UEIJGRZCMD4N2H3CAGE9V9P6 Location: GILBERT, AZSocio-economic status (SAM.gov): SBSDBWOSB	Secondary 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
SIERRA GOLF STRATEGIES, LLC UEICPLRPYRZAX14CAGE109C5 Location: OMAHA, NE	Secondary 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
SIERRA HOLDINGS INC UEIC1LQZLSMWV71CAGE9AEK4 Location: BOWIE, MDSocio-economic status (SAM.gov): SBSDB	Secondary 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 expiring	None on file
SIERRA MICROPRODUCTS INC UEIGF9WLHLNFPY6CAGE5XW85 Location: BURLINGTON, WASocio-economic status (SAM.gov): SB	Secondary 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
SIERRA NEVADA COMPANY, LLC DBA SIERRA NEVADA CORP UEIEWEBFNB7M9K8CAGE82H19 Location: SOUTHERN PINES, NC	Secondary 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
SIERRA NEVADA COMPANY, LLC DBA SIERRA NEVADA CORP UEIJUU4BSF8KJK1CAGE1YCS0 Location: LOS GATOS, CA	Secondary 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
SIERRA NEVADA COMPANY, LLC DBA SIERRA NEVADA CORP UEIKNHPDKTAJNV7CAGE6V7E8 Location: HUNTSVILLE, AL	Secondary 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
SIERRA NEVADA COMPANY, LLC UEIQ94DX5QP6J96CAGE0V0K0 Location: PLANO, TX	Secondary 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

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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