NAICS 541990 · Professional, Scientific, and Technical Services

All Other Professional, Scientific, and Technical Services

39,443 active contractors list NAICS 541990 (All Other Professional, Scientific, and Technical Services) in SAM.gov; 28,005 are small under its SBA size standard and 6,379 list it as their primary NAICS.

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Search with filters Small businesses only

Active contractors: 39,443
Small under 541990SBA size standard for this code: 28,005
Primary NAICSTheir main line of business: 6,379
Hidden registrationsExcluded, expired or inactive: 475

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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

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

Showing 38,981–39,000 of 39,443 contractors

WL MILLER, INC.
UEIUKECNFQTGVA1CAGE1ZTY1
Location: AUBURN, INSocio-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
WMC-NAAM INC.
DBA WMC-NAAM INC
UEIVBE5ADCQGJ16CAGE985Y5
Location: WASHINGTON, DCSocio-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
WM. DAVID SCHULTZ
UEISM31XEHLWKN1CAGE1BVU9
Location: CLEARFIELD, PASocio-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
WM INTERNATIONAL ENGINEERING L.L.C.
DBA WM INTERNATIONAL ENGINEERING LLC
UEILLGAEKKF8BM7CAGE735V2
Location: LISLE, ILSocio-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
WM WELCH CORP
UEIZPA1SC8C7V87CAGE70G21
Location: POST FALLS, ID
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
WMZ CODING AND BUSINESS SOLUTIONS, INC.
UEIDMXTL2NGD418CAGE20GX2
Location: COALING, ALSocio-economic status (SAM.gov): SBVOSB
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
WN MACKENJAS LLC
UEIY12RUVV37ZJ5CAGE93CQ0
Location: WASHINGTON, DCSocio-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
WOLDA WORLD LLC
DBA 2W FEDERAL
UEIKEC2YB6T8UN8CAGE21V74
Location: PFLUGERVILLE, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
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
WOLFE DEFENSE LABS LLC
UEIDH4PK7NEY953CAGE1FAY8
Location: MESA, AZSocio-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
WOLFE TACTICAL, LLC
DBA WOLFE TACTICAL LLC
UEICJ3JNCAF2MW9CAGE7GRM1
Location: NOKESVILLE, 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
WOLF LAKE SERVICES, LLC
UEIQVRQWEN2PY17CAGE91AN4
Location: CHANTILLY, VASocio-economic status (SAM.gov): SBSDB8(a)ANC
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
WOLF, MICHAEL J
UEIJDS2E79SAKZ8CAGE8E1U1
Location: CHERRY HILL, NJSocio-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
WOLFPAC BUSINESS SOLUTION
UEIQ8MVF82RFLL4CAGE9UQ92
Location: MORENO VALLEY, CASocio-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
WOLFPACK PULSE LLC
UEIMML4JGM495R3CAGE8UHJ5
Location: HOUSTON, TXSocio-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
WOLF POINT SOLUTIONS, LLC
UEIS8RMRX9CSS59CAGE9HMY7
Location: FALLS CHURCH, VA
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
WOLOMI, INC.
UEIF1JAAUKY3N37CAGE8SKY2
Location: LAKELAND, FLSocio-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
WOLVERINE FIRE PROTECTION CO
UEIWXE7G127JJ63CAGE0M0L5
Location: MOUNT MORRIS, MI
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
WOLVERINE GLOBAL INC
UEIY5V3W8V3V1L3CAGE9PCM6
Location: DELRAY BEACH, FLSocio-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
WOLVERTON PROPERTY MANAGEMENT, INC
UEIZ6JTK5CJ1F15CAGE7GY28
Location: BILOXI, MSSocio-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
WOMEN IMPACTING NATIONS CONSULTING, LLC
UEIY5EDUK3F3EM9CAGE15HZ4
Location: SMYRNA, GA
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 1950 of 1973
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
WL MILLER, INC. UEIUKECNFQTGVA1CAGE1ZTY1 Location: AUBURN, INSocio-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
WMC-NAAM INC. DBA WMC-NAAM INC UEIVBE5ADCQGJ16CAGE985Y5 Location: WASHINGTON, DCSocio-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
WM. DAVID SCHULTZ UEISM31XEHLWKN1CAGE1BVU9 Location: CLEARFIELD, PASocio-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
WM INTERNATIONAL ENGINEERING L.L.C. DBA WM INTERNATIONAL ENGINEERING LLC UEILLGAEKKF8BM7CAGE735V2 Location: LISLE, ILSocio-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
WM WELCH CORP UEIZPA1SC8C7V87CAGE70G21 Location: POST FALLS, ID	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
WMZ CODING AND BUSINESS SOLUTIONS, INC. UEIDMXTL2NGD418CAGE20GX2 Location: COALING, ALSocio-economic status (SAM.gov): SBVOSB	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
WN MACKENJAS LLC UEIY12RUVV37ZJ5CAGE93CQ0 Location: WASHINGTON, DCSocio-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
WOLDA WORLD LLC DBA 2W FEDERAL UEIKEC2YB6T8UN8CAGE21V74 Location: PFLUGERVILLE, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	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
WOLFE DEFENSE LABS LLC UEIDH4PK7NEY953CAGE1FAY8 Location: MESA, AZSocio-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
WOLFE TACTICAL, LLC DBA WOLFE TACTICAL LLC UEICJ3JNCAF2MW9CAGE7GRM1 Location: NOKESVILLE, 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
WOLF LAKE SERVICES, LLC UEIQVRQWEN2PY17CAGE91AN4 Location: CHANTILLY, VASocio-economic status (SAM.gov): SBSDB8(a)ANC	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
WOLF, MICHAEL J UEIJDS2E79SAKZ8CAGE8E1U1 Location: CHERRY HILL, NJSocio-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
WOLFPAC BUSINESS SOLUTION UEIQ8MVF82RFLL4CAGE9UQ92 Location: MORENO VALLEY, CASocio-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
WOLFPACK PULSE LLC UEIMML4JGM495R3CAGE8UHJ5 Location: HOUSTON, TXSocio-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
WOLF POINT SOLUTIONS, LLC UEIS8RMRX9CSS59CAGE9HMY7 Location: FALLS CHURCH, VA	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
WOLOMI, INC. UEIF1JAAUKY3N37CAGE8SKY2 Location: LAKELAND, FLSocio-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
WOLVERINE FIRE PROTECTION CO UEIWXE7G127JJ63CAGE0M0L5 Location: MOUNT MORRIS, MI	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
WOLVERINE GLOBAL INC UEIY5V3W8V3V1L3CAGE9PCM6 Location: DELRAY BEACH, FLSocio-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
WOLVERTON PROPERTY MANAGEMENT, INC UEIZ6JTK5CJ1F15CAGE7GY28 Location: BILOXI, MSSocio-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
WOMEN IMPACTING NATIONS CONSULTING, LLC UEIY5EDUK3F3EM9CAGE15HZ4 Location: SMYRNA, GA	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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