NAICS 541720 · Professional, Scientific, and Technical Services

Research and Development in the Social Sciences and Humanities

8,428 active contractors list NAICS 541720 (Research and Development in the Social Sciences and Humanities) in SAM.gov; 6,048 are small under its SBA size standard and 1,269 list it as their primary NAICS.

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Search with filters Small businesses only

Active contractors: 8,428
Small under 541720SBA size standard for this code: 6,048
Primary NAICSTheir main line of business: 1,269
Hidden registrationsExcluded, expired or inactive: 106

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Live RFPs in this NAICS
Open SAM.gov solicitations coded 541720, matched to teaming partners.
Expiring awards
Incumbent contracts in 541720 heading to recompete in the next 18 months.
Small under 541720
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 541720

Claimed profiles come first by membership level, then companies with 541720 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

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

Showing 5,581–5,600 of 8,428 contractors

LEGACY LEADERS INSTITUTE
UEIFH6ZFXNVVQL9CAGE9LY30
Location: LONE TREE, COSocio-economic status (SAM.gov): SBWOSBEDWOSB
Secondary NAICSSmall under 541720
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
LEGACY SOLUTIONS LLC
UEIKNALFN3MB636CAGE7ZU84
Location: FALLS CHURCH, VASocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSSmall under 541720
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
LEGATO CONSULTING GROUP LLC
UEIYXH2HQ2J3529CAGE9UN49
Location: DUMFRIES, VASocio-economic status (SAM.gov): SBSDB
Secondary NAICSSmall under 541720
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
LEGENDS DEL MAR INC
UEIE6XZE15S3GM7CAGE22SU9
Location: ALPINE, CASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541720
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
LEGION SYSTEMS LLC
UEIQANUYBAWKQP7CAGE6H4Z6
Location: VALRICO, FLSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSSmall under 541720
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
LEGRANDE TECHNICAL AND SOCIAL SERVICES, LLC
DBA LEGRANDE TECHNICAL & SOCIAL SERVICES LLC
UEIMKUAJDXW6HR4CAGE5SNU8
Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541720
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
LEIDOS ASPEN SYSTEMS CORP
UEIJ32BDXJ62BQ1CAGE3R150
Location: GAITHERSBURG, MD
Secondary NAICSNot listed as small under 541720
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
LEIDOS INC
DBA LEIDOS QTC HEALTH SERVICES
UEIPQSTC7GEV5L6CAGE5UTP8
Location: RESTON, VA
Secondary NAICSNot listed as small under 541720
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
LEIDOS, INC.
UEIER2FEQEYGF85CAGE6LKV1
Location: ABERDEEN PROVING GROUND, MD
Secondary NAICSNot listed as small under 541720
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
LEIDOS, INC.
UEINKN8TLUW4MW1CAGE52326
Location: COLUMBIA, MD
Secondary NAICSNot listed as small under 541720
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
LEIDOS, INC.
UEIQLNMVC12KWY3CAGE5UTE2
Location: RESTON, VA
Secondary NAICSNot listed as small under 541720
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
LEMNIS
UEIEJB9Y6R25KK3CAGE34RA9
Location: BEAVERTON, OR
Secondary NAICSNot listed as small under 541720
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
LENARD CATHERINE
DBA CATHERINES DIVINE RICHES PROJECT
UEIGUGYFN7HLAP9CAGE6TBG4
Location: THREE OAKS, MISocio-economic status (SAM.gov): SBWOSB
Secondary NAICSSmall under 541720
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
LENSIGHAN SOLUTIONS
UEIQSDNZMDKNJU8CAGE25DC1
Location: VERNON HILLS, ILSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541720
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
LEO MORA THERAPY SERVICES, PLLC
DBA JOURNEYS COUNSELING AND CONSULTATION
UEIMZ4LUV7GBS24CAGE8SX13
Location: HARKER HEIGHTS, TXSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSSmall under 541720
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
LEONID S CHEKIN
UEIXLBNNT2A2MG2CAGE322E2
Location: SPRINGFIELD, VASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541720
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
LEON T BRUNSON
UEIRAQ2LK15N5F9CAGE9D9E9
Location: MATTHEWS, NCSocio-economic status (SAM.gov): SBVOSB
Secondary NAICSSmall under 541720
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
LEPCO SOLUTIONS GROUP, LLC
UEIFAPVDBRR6X24CAGE9DSU9
Location: LEAVENWORTH, KSSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
Secondary NAICSSmall under 541720
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
LEPSON RESEARCH GROUP L.L.C.
DBA LEPSON RESEARCH GROUP LLC
UEIM76YRFKZGTK3CAGE96Z85
Location: RED LION, PASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541720
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
LERAJ & CO LLC
UEIZNHFRG5AT3L5CAGE176V8
Location: LOS ANGELES, CASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541720
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

Contractors listing NAICS 541720, page 280 of 422
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
LEGACY LEADERS INSTITUTE UEIFH6ZFXNVVQL9CAGE9LY30 Location: LONE TREE, COSocio-economic status (SAM.gov): SBWOSBEDWOSB	Secondary NAICSSmall under 541720	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
LEGACY SOLUTIONS LLC UEIKNALFN3MB636CAGE7ZU84 Location: FALLS CHURCH, VASocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSSmall under 541720	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
LEGATO CONSULTING GROUP LLC UEIYXH2HQ2J3529CAGE9UN49 Location: DUMFRIES, VASocio-economic status (SAM.gov): SBSDB	Secondary NAICSSmall under 541720	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
LEGENDS DEL MAR INC UEIE6XZE15S3GM7CAGE22SU9 Location: ALPINE, CASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541720	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
LEGION SYSTEMS LLC UEIQANUYBAWKQP7CAGE6H4Z6 Location: VALRICO, FLSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSSmall under 541720	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
LEGRANDE TECHNICAL AND SOCIAL SERVICES, LLC DBA LEGRANDE TECHNICAL & SOCIAL SERVICES LLC UEIMKUAJDXW6HR4CAGE5SNU8 Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541720	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
LEIDOS ASPEN SYSTEMS CORP UEIJ32BDXJ62BQ1CAGE3R150 Location: GAITHERSBURG, MD	Secondary NAICSNot listed as small under 541720	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
LEIDOS INC DBA LEIDOS QTC HEALTH SERVICES UEIPQSTC7GEV5L6CAGE5UTP8 Location: RESTON, VA	Secondary NAICSNot listed as small under 541720	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
LEIDOS, INC. UEIER2FEQEYGF85CAGE6LKV1 Location: ABERDEEN PROVING GROUND, MD	Secondary NAICSNot listed as small under 541720	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
LEIDOS, INC. UEINKN8TLUW4MW1CAGE52326 Location: COLUMBIA, MD	Secondary NAICSNot listed as small under 541720	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
LEIDOS, INC. UEIQLNMVC12KWY3CAGE5UTE2 Location: RESTON, VA	Secondary NAICSNot listed as small under 541720	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
LEMNIS UEIEJB9Y6R25KK3CAGE34RA9 Location: BEAVERTON, OR	Secondary NAICSNot listed as small under 541720	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
LENARD CATHERINE DBA CATHERINES DIVINE RICHES PROJECT UEIGUGYFN7HLAP9CAGE6TBG4 Location: THREE OAKS, MISocio-economic status (SAM.gov): SBWOSB	Secondary NAICSSmall under 541720	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
LENSIGHAN SOLUTIONS UEIQSDNZMDKNJU8CAGE25DC1 Location: VERNON HILLS, ILSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541720	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
LEO MORA THERAPY SERVICES, PLLC DBA JOURNEYS COUNSELING AND CONSULTATION UEIMZ4LUV7GBS24CAGE8SX13 Location: HARKER HEIGHTS, TXSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSSmall under 541720	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
LEONID S CHEKIN UEIXLBNNT2A2MG2CAGE322E2 Location: SPRINGFIELD, VASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541720	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
LEON T BRUNSON UEIRAQ2LK15N5F9CAGE9D9E9 Location: MATTHEWS, NCSocio-economic status (SAM.gov): SBVOSB	Secondary NAICSSmall under 541720	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
LEPCO SOLUTIONS GROUP, LLC UEIFAPVDBRR6X24CAGE9DSU9 Location: LEAVENWORTH, KSSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	Secondary NAICSSmall under 541720	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
LEPSON RESEARCH GROUP L.L.C. DBA LEPSON RESEARCH GROUP LLC UEIM76YRFKZGTK3CAGE96Z85 Location: RED LION, PASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541720	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
LERAJ & CO LLC UEIZNHFRG5AT3L5CAGE176V8 Location: LOS ANGELES, CASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541720	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

Codes these contractors list most often alongside 541720: natural teaming adjacencies.

Research and Development in the Social Sciences and Humanities

Work this industry

Contractors listing NAICS 541720

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