NAICS 541690 · Professional, Scientific, and Technical Services

Other Scientific and Technical Consulting Services

43,206 active contractors list NAICS 541690 (Other Scientific and Technical Consulting Services) in SAM.gov; 31,681 are small under its SBA size standard and 6,311 list it as their primary NAICS.

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Search with filters Small businesses only

Active contractors: 43,206
Small under 541690SBA size standard for this code: 31,681
Primary NAICSTheir main line of business: 6,311
Hidden registrationsExcluded, expired or inactive: 610

Work this industry

Live RFPs in this NAICS
Open SAM.gov solicitations coded 541690, matched to teaming partners.
Expiring awards
Incumbent contracts in 541690 heading to recompete in the next 18 months.
Small under 541690
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 541690

Claimed profiles come first by membership level, then companies with 541690 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

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

Showing 7,181–7,200 of 43,206 contractors

LEIDOS INC
DBA LEIDOS QTC HEALTH SERVICES
UEIPQSTC7GEV5L6CAGE5UTP8
Location: RESTON, VA
Secondary NAICSNot listed as small under 541690
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: $87.3M ($87,296,585)
CORNERSTONE RESEARCH GROUP INC
DBA CRG DEFENSE, INC.
UEIF7G8SHTEHNU7CAGE094V3
Location: MIAMISBURG, OHSocio-economic status (SAM.gov): SB
Secondary NAICSNot listed as small under 541690
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: $87.3M ($87,276,037)
MILE TWO LLC
UEINJRVLNMKG9E8CAGE7FM75
Location: DAYTON, OHSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSNot listed as small under 541690
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: $86.9M ($86,936,575)
PD SYSTEMS, LLC
UEIMBF6MBLZLMC3CAGE4V8V7
Location: SPRINGFIELD, VASocio-economic status (SAM.gov): SB
Secondary NAICSNot listed as small under 541690
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: $86.6M ($86,588,835)
PATRONA CORPORATION
UEIJWEKB3ZYMGN3CAGE48H29
Location: WASHINGTON, DC
Secondary NAICSNot listed as small under 541690
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: $86.5M ($86,546,407)
GSI NORTH AMERICA INC
UEIEHM2NWLJHSJ7CAGE74P10
Location: FLEMINGTON, NJSocio-economic status (SAM.gov): SBSDB
Secondary NAICSNot listed as small under 541690
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: $86.5M ($86,541,450)
INTERFUZE CORPORATION
UEICV2JCNGSF896CAGE0AFL2
Location: HUNTSVILLE, ALSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSNot listed as small under 541690
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: $86.5M ($86,516,676)
WWC GLOBAL LLC
UEINDYNH8RJT3G8CAGE3XTD1
Location: MASHANTUCKET, CTSocio-economic status (SAM.gov): SBSDBTribal
Secondary NAICSNot listed as small under 541690
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: $86.3M ($86,345,965)
CORNERSTONE CONSTRUCTION SERVICES, LLC
DBA CORNERSTONE CONSTRUCTION SERVICES LLC
UEIJYEWBM2PC2J5CAGE4XRZ9
Location: WOBURN, MASocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSSmall under 541690
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: $86.1M ($86,104,271)
INSIGHT PUBLIC SECTOR, INC.
UEIFLZ4SYA9U2D1CAGE3DLL3
Location: CHANDLER, AZ
Secondary NAICSNot listed as small under 541690
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: $85.8M ($85,838,202)
VXL ENTERPRISES LLC
UEIFK3WEY7RXSM4CAGE5PJH3
Location: FREDERICKSBURG, VASocio-economic status (SAM.gov): SBVOSB
Secondary NAICSNot listed as small under 541690
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: $85.7M ($85,691,945)
PUEO - ST. MICHAEL'S JOINT VENTURE, LLC
UEIQNHTBRN8Z1K4CAGE8NCX7
Location: MC LEAN, VASocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSNot listed as small under 541690
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: $85.7M ($85,683,893)
SINTELA INC
UEIMXG2MQ1LJRV5CAGE8EP60
Location: HOUSTON, TXSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541690
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: $85.6M ($85,584,966)
ASIRTEK FEDERAL SERVICES LLC
DBA ASIRTEK
UEIN9VMHXDPMNT5CAGE7E8D3
Location: SAN ANTONIO, TX
Secondary NAICSNot listed as small under 541690
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: $85.5M ($85,536,418)
ECCALON, LLC
DBA ECCALON LLC
UEIFMCVFMNEQF31CAGE7XWL4
Location: HANOVER, MDSocio-economic status (SAM.gov): SB
Secondary NAICSNot listed as small under 541690
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: $85.2M ($85,168,658)
TEKSOUTH CORPORATION
UEIMDUHCLAXK589CAGE0WXG1
Location: GARDENDALE, ALSocio-economic status (SAM.gov): SB
Secondary NAICSNot listed as small under 541690
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: $84.8M ($84,799,324)
INFINITY SYSTEMS ENGINEERING, A LTD. LIABILITY CO.
DBA INFINITY SYSTEMS ENGINEERING LLC
UEIQ3YDJ4AH21H6CAGE06WG6
Location: COLORADO SPRINGS, COSocio-economic status (SAM.gov): SB
Secondary NAICSNot listed as small under 541690
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: $84.8M ($84,794,825)
STS GOVERNMENT SOLUTIONS, LLC
UEILL7MYZNXEXA8CAGE8RHL1
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)ANC
Secondary NAICSSmall under 541690
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: $84.7M ($84,724,078)
SOLUTIONS THROUGH INNOVATIVE TECHNOLOGIES INC
DBA SENTIR LABORATORIES
UEIN53NQ8HY6P54CAGE3EMZ0
Location: FAIRBORN, OHSocio-economic status (SAM.gov): SB
Secondary NAICSNot listed as small under 541690
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: $84.7M ($84,702,411)
SCIENTIFIC CONSULTING GROUP INC
UEILSZJAWFLHJ15CAGE09EE8
Location: GAITHERSBURG, MDSocio-economic status (SAM.gov): SBWOSB
Secondary NAICSNot listed as small under 541690
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: $84.6M ($84,611,144)

Contractors listing NAICS 541690, page 360 of 2161
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
LEIDOS INC DBA LEIDOS QTC HEALTH SERVICES UEIPQSTC7GEV5L6CAGE5UTP8 Location: RESTON, VA	Secondary NAICSNot listed as small under 541690	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	$87.3M ($87,296,585)
CORNERSTONE RESEARCH GROUP INC DBA CRG DEFENSE, INC. UEIF7G8SHTEHNU7CAGE094V3 Location: MIAMISBURG, OHSocio-economic status (SAM.gov): SB	Secondary NAICSNot listed as small under 541690	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	$87.3M ($87,276,037)
MILE TWO LLC UEINJRVLNMKG9E8CAGE7FM75 Location: DAYTON, OHSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSNot listed as small under 541690	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	$86.9M ($86,936,575)
PD SYSTEMS, LLC UEIMBF6MBLZLMC3CAGE4V8V7 Location: SPRINGFIELD, VASocio-economic status (SAM.gov): SB	Secondary NAICSNot listed as small under 541690	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	$86.6M ($86,588,835)
PATRONA CORPORATION UEIJWEKB3ZYMGN3CAGE48H29 Location: WASHINGTON, DC	Secondary NAICSNot listed as small under 541690	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	$86.5M ($86,546,407)
GSI NORTH AMERICA INC UEIEHM2NWLJHSJ7CAGE74P10 Location: FLEMINGTON, NJSocio-economic status (SAM.gov): SBSDB	Secondary NAICSNot listed as small under 541690	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	$86.5M ($86,541,450)
INTERFUZE CORPORATION UEICV2JCNGSF896CAGE0AFL2 Location: HUNTSVILLE, ALSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSNot listed as small under 541690	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	$86.5M ($86,516,676)
WWC GLOBAL LLC UEINDYNH8RJT3G8CAGE3XTD1 Location: MASHANTUCKET, CTSocio-economic status (SAM.gov): SBSDBTribal	Secondary NAICSNot listed as small under 541690	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	$86.3M ($86,345,965)
CORNERSTONE CONSTRUCTION SERVICES, LLC DBA CORNERSTONE CONSTRUCTION SERVICES LLC UEIJYEWBM2PC2J5CAGE4XRZ9 Location: WOBURN, MASocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSSmall under 541690	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	$86.1M ($86,104,271)
INSIGHT PUBLIC SECTOR, INC. UEIFLZ4SYA9U2D1CAGE3DLL3 Location: CHANDLER, AZ	Secondary NAICSNot listed as small under 541690	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	$85.8M ($85,838,202)
VXL ENTERPRISES LLC UEIFK3WEY7RXSM4CAGE5PJH3 Location: FREDERICKSBURG, VASocio-economic status (SAM.gov): SBVOSB	Secondary NAICSNot listed as small under 541690	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	$85.7M ($85,691,945)
PUEO - ST. MICHAEL'S JOINT VENTURE, LLC UEIQNHTBRN8Z1K4CAGE8NCX7 Location: MC LEAN, VASocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSNot listed as small under 541690	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	$85.7M ($85,683,893)
SINTELA INC UEIMXG2MQ1LJRV5CAGE8EP60 Location: HOUSTON, TXSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541690	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	$85.6M ($85,584,966)
ASIRTEK FEDERAL SERVICES LLC DBA ASIRTEK UEIN9VMHXDPMNT5CAGE7E8D3 Location: SAN ANTONIO, TX	Secondary NAICSNot listed as small under 541690	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	$85.5M ($85,536,418)
ECCALON, LLC DBA ECCALON LLC UEIFMCVFMNEQF31CAGE7XWL4 Location: HANOVER, MDSocio-economic status (SAM.gov): SB	Secondary NAICSNot listed as small under 541690	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	$85.2M ($85,168,658)
TEKSOUTH CORPORATION UEIMDUHCLAXK589CAGE0WXG1 Location: GARDENDALE, ALSocio-economic status (SAM.gov): SB	Secondary NAICSNot listed as small under 541690	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	$84.8M ($84,799,324)
INFINITY SYSTEMS ENGINEERING, A LTD. LIABILITY CO. DBA INFINITY SYSTEMS ENGINEERING LLC UEIQ3YDJ4AH21H6CAGE06WG6 Location: COLORADO SPRINGS, COSocio-economic status (SAM.gov): SB	Secondary NAICSNot listed as small under 541690	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	$84.8M ($84,794,825)
STS GOVERNMENT SOLUTIONS, LLC UEILL7MYZNXEXA8CAGE8RHL1 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)ANC	Secondary NAICSSmall under 541690	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	$84.7M ($84,724,078)
SOLUTIONS THROUGH INNOVATIVE TECHNOLOGIES INC DBA SENTIR LABORATORIES UEIN53NQ8HY6P54CAGE3EMZ0 Location: FAIRBORN, OHSocio-economic status (SAM.gov): SB	Secondary NAICSNot listed as small under 541690	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	$84.7M ($84,702,411)
SCIENTIFIC CONSULTING GROUP INC UEILSZJAWFLHJ15CAGE09EE8 Location: GAITHERSBURG, MDSocio-economic status (SAM.gov): SBWOSB	Secondary NAICSNot listed as small under 541690	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	$84.6M ($84,611,144)

Codes these contractors list most often alongside 541690: natural teaming adjacencies.

Other Scientific and Technical Consulting Services

Work this industry

Contractors listing NAICS 541690

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