NAICS 541990 · Professional, Scientific, and Technical Services

All Other Professional, Scientific, and Technical Services

39,919 contractors list NAICS 541990 (All Other Professional, Scientific, and Technical Services) in SAM.gov; 28,106 are small under its SBA size standard and 6,465 list it as their primary NAICS.

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Contractors (all registrations): 39,919
Small under 541990SBA size standard for this code: 28,106
Primary NAICSTheir main line of business: 6,465
Related industriesCodes these firms also list: 8

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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

Including excluded, expired and inactive SAM.gov registrations (flagged in the list). Excluded entities cannot receive federal awards or subcontracts. Hide them

Showing 21–40 of 39,919 contractors

THREAT TEC - YORKTOWN JV, LLC
UEINFVWV68K4E85CAGE8DN33
Location: HAMPTON, 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 expiringObligated, 36 mo: $183.2M ($183,242,326)
T47 INTERNATIONAL, INC.
DBA T47 INTERNATIONAL INC
UEIJXGZBLGBA996CAGE6YXV2
Location: BOWIE, MDSocio-economic status (SAM.gov): SBWOSBVOSB
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: $175.6M ($175,603,171)
THREAT TEC, LLC
UEICXKLGRZ7MME6CAGE6SM72
Location: HAMPTON, VASocio-economic status (SAM.gov): SBVOSB
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: $160.8M ($160,826,510)
WINROCK INTERNATIONAL INSTITUTE FOR AGRICULTURAL DEVELOPMENT
UEIKZ2UGRDKFNJ6CAGE3K3G8
Location: LITTLE ROCK, ARSocio-economic status (SAM.gov): SB
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: $155.7M ($155,651,178)
NATIONAL TECHNOLOGIES ASSOCIATES, INC.
UEIK63KMZD596X8CAGE8V131
Location: CALIFORNIA, 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: $151.4M ($151,404,958)
KLD ASSOCIATES INC
UEICP62CFELM3C3CAGE2H015
Location: PORT JEFFERSON STATION, NY
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: $146.5M ($146,531,628)
THE KAIZEN COMPANY, LLC
UEIMC45KD32KMC7CAGE336F6
Location: ARLINGTON, 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: $134.2M ($134,172,718)
ACDI/VOCA
UEINZHLG8KE7WS5CAGE3CCK7
Location: WASHINGTON, DC
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: $131.1M ($131,146,245)
INTERNATIONAL DEVELOPMENT GROUP ADVISORY SERVICES, LLC
DBA INTERNATIONAL DEVELOPMENT GROUP
UEIG7QSHPFEZKW1CAGE1WY32
Location: ARLINGTON, 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: $130M ($129,953,090)
FITT SCIENTIFIC, LLC
UEIMLZ8U223ZMV7CAGE71FE7
Location: COLONIAL HEIGHTS, VASocio-economic status (SAM.gov): SBVOSBSDVOSB
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: $123.8M ($123,823,941)
SIERRA SPACE CORP
UEIDPT6YML4HHK5CAGE98T49
Location: LOUISVILLE, 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: $121.1M ($121,123,342)
GLOBAL PATENT SOLUTIONS, L.L.C.
UEIKEB7W9P77C43CAGE68LG1
Location: PARADISE VALLEY, AZSocio-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: $120.8M ($120,801,412)
CHENEGA GOVERNMENT MISSION SOLUTIONS, LLC
UEILATETAUF84E7CAGE96AR2
Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBSDB8(a)ANC
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: $115.7M ($115,715,119)
ANALYSIS GROUP INC
UEIEAWFFKL7KQJ4CAGE03AU6
Location: BOSTON, 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: $111.6M ($111,643,313)
RMGS INC
UEIG257GNLVGAX5CAGE57NE1
Location: VIRGINIA BEACH, VASocio-economic status (SAM.gov): SBVOSBSDVOSB
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: $108.9M ($108,901,467)
SERCO INC.
UEIMFA3QKYKLL31CAGE06CT8
Location: ARLINGTON, 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 expiringObligated, 36 mo: $104.7M ($104,747,310)
SANCORP CONSULTING, LLC
DBA SANCORP CONSULTING LLC
UEIGRYKNJ8BGFC8CAGE7NZQ9
Location: FALLS CHURCH, VASocio-economic status (SAM.gov): SBSDB8(a)VOSBSDVOSB
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: $99.8M ($99,791,445)
PAR EXCELLENCE SYSTEMS, INC
UEIN9LFJALEM6K7CAGE65TR8
Location: CINCINNATI, OH
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: $96.7M ($96,691,181)
SOLUTIONS71, LLC
DBA SOLUTIONS71 LLC
UEIKWU1UHG2JGG6CAGE7PN66
Location: LEESBURG, VASocio-economic status (SAM.gov): SBSDB8(a)ANC
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: $95.6M ($95,632,202)
NORTHROP GRUMMAN SYSTEMS CORPORATION
UEICXE2M1F5NHG5CAGE3T020
Location: ANNAPOLIS JUNCTION, 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: $94.6M ($94,623,619)

Contractors listing NAICS 541990, page 2 of 1996
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
THREAT TEC - YORKTOWN JV, LLC UEINFVWV68K4E85CAGE8DN33 Location: HAMPTON, 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 expiring	$183.2M ($183,242,326)
T47 INTERNATIONAL, INC. DBA T47 INTERNATIONAL INC UEIJXGZBLGBA996CAGE6YXV2 Location: BOWIE, MDSocio-economic status (SAM.gov): SBWOSBVOSB	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	$175.6M ($175,603,171)
THREAT TEC, LLC UEICXKLGRZ7MME6CAGE6SM72 Location: HAMPTON, VASocio-economic status (SAM.gov): SBVOSB	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	$160.8M ($160,826,510)
WINROCK INTERNATIONAL INSTITUTE FOR AGRICULTURAL DEVELOPMENT UEIKZ2UGRDKFNJ6CAGE3K3G8 Location: LITTLE ROCK, ARSocio-economic status (SAM.gov): SB	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	$155.7M ($155,651,178)
NATIONAL TECHNOLOGIES ASSOCIATES, INC. UEIK63KMZD596X8CAGE8V131 Location: CALIFORNIA, 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	$151.4M ($151,404,958)
KLD ASSOCIATES INC UEICP62CFELM3C3CAGE2H015 Location: PORT JEFFERSON STATION, NY	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	$146.5M ($146,531,628)
THE KAIZEN COMPANY, LLC UEIMC45KD32KMC7CAGE336F6 Location: ARLINGTON, 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	$134.2M ($134,172,718)
ACDI/VOCA UEINZHLG8KE7WS5CAGE3CCK7 Location: WASHINGTON, DC	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	$131.1M ($131,146,245)
INTERNATIONAL DEVELOPMENT GROUP ADVISORY SERVICES, LLC DBA INTERNATIONAL DEVELOPMENT GROUP UEIG7QSHPFEZKW1CAGE1WY32 Location: ARLINGTON, 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	$130M ($129,953,090)
FITT SCIENTIFIC, LLC UEIMLZ8U223ZMV7CAGE71FE7 Location: COLONIAL HEIGHTS, VASocio-economic status (SAM.gov): SBVOSBSDVOSB	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	$123.8M ($123,823,941)
SIERRA SPACE CORP UEIDPT6YML4HHK5CAGE98T49 Location: LOUISVILLE, 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	$121.1M ($121,123,342)
GLOBAL PATENT SOLUTIONS, L.L.C. UEIKEB7W9P77C43CAGE68LG1 Location: PARADISE VALLEY, AZSocio-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	$120.8M ($120,801,412)
CHENEGA GOVERNMENT MISSION SOLUTIONS, LLC UEILATETAUF84E7CAGE96AR2 Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBSDB8(a)ANC	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	$115.7M ($115,715,119)
ANALYSIS GROUP INC UEIEAWFFKL7KQJ4CAGE03AU6 Location: BOSTON, 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	$111.6M ($111,643,313)
RMGS INC UEIG257GNLVGAX5CAGE57NE1 Location: VIRGINIA BEACH, VASocio-economic status (SAM.gov): SBVOSBSDVOSB	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	$108.9M ($108,901,467)
SERCO INC. UEIMFA3QKYKLL31CAGE06CT8 Location: ARLINGTON, 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 expiring	$104.7M ($104,747,310)
SANCORP CONSULTING, LLC DBA SANCORP CONSULTING LLC UEIGRYKNJ8BGFC8CAGE7NZQ9 Location: FALLS CHURCH, VASocio-economic status (SAM.gov): SBSDB8(a)VOSBSDVOSB	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	$99.8M ($99,791,445)
PAR EXCELLENCE SYSTEMS, INC UEIN9LFJALEM6K7CAGE65TR8 Location: CINCINNATI, OH	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	$96.7M ($96,691,181)
SOLUTIONS71, LLC DBA SOLUTIONS71 LLC UEIKWU1UHG2JGG6CAGE7PN66 Location: LEESBURG, VASocio-economic status (SAM.gov): SBSDB8(a)ANC	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	$95.6M ($95,632,202)
NORTHROP GRUMMAN SYSTEMS CORPORATION UEICXE2M1F5NHG5CAGE3T020 Location: ANNAPOLIS JUNCTION, 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	$94.6M ($94,623,619)

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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