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.
- 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 8,301–8,320 of 43,206 contractors
- Secondary NAICSNot listed as small under 541690CMMCNo 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: $19.8M ($19,750,000) LOCH HARBOUR GROUP, INC.
UEIJ3LEG8T3BL27CAGE07QZ5Location: FAIRFAX, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.7M ($19,697,264)HANLON GROUP LLC
UEICENJSR2EGVL5CAGE7KG21Location: MC LEAN, VASocio-economic status (SAM.gov): SBWOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.7M ($19,695,663)- Secondary NAICSNot listed as small under 541690CMMCNo 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: $19.7M ($19,679,223) STRAUGHAN ENVIRONMENTAL, INC.
DBA STRAUGHAN ENVIRONMENTAL SERVICES INC
UEIMCNJL7NZMEQ5CAGE1UAL2Location: COLUMBIA, MDSocio-economic status (SAM.gov): SBWOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.6M ($19,632,269)PCI GUIDEHOUSE JV LLC
UEIHV9XX75VMLP9CAGE0A9Q0Location: ATMORE, ALSocio-economic status (SAM.gov): SBSDBTribalSecondary NAICSSmall under 541690CMMCNo 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: $19.6M ($19,592,498)SES TECHNOLOGIES LLC
UEIDDFBDLJB2PJ5CAGE8DYC1Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SDB8(a)ANCSecondary NAICSNot listed as small under 541690CMMCNo 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: $19.6M ($19,580,742)DISASTER SOLUTIONS ALLIANCE, LLC
DBA DISASTER SOLUTIONS ALLIANCE LLC
UEIFUN2DMNPMQL4CAGE5CW19Location: GERMANTOWN, MDSecondary NAICSNot listed as small under 541690CMMCNo 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: $19.6M ($19,569,149)DOBSON DAVANZO & ASSOCIATES, LLC
UEIKMGBTM89LNU3CAGE567Z0Location: VIENNA, VASocio-economic status (SAM.gov): SBSecondary NAICSSmall under 541690CMMCNo 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: $19.5M ($19,548,530)RSI SERVICES LLC
UEID4AQNDM27G19CAGE80D80Location: OAK RIDGE, TNSocio-economic status (SAM.gov): SDB8(a)ANCSecondary NAICSNot listed as small under 541690CMMCNo 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: $19.5M ($19,536,234)MILTRAIN JV II LLC
UEIDTQVVBSJL6U6CAGE9N7J9Location: NORTH LAS VEGAS, NVSocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.5M ($19,529,102)LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS
UEIP8RKVLSH4RL3CAGE80070Location: NIAGARA FALLS, NYSecondary NAICSNot listed as small under 541690CMMCNo 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: $19.5M ($19,467,100)Q & A DIVERSIFIED LLC
UEIMT71C7KB5NA7CAGE71YF1Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)WOSBEDWOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.4M ($19,427,523)ARDL INC
UEIP7TNSH8AJVG2CAGE0FSM1Location: MOUNT VERNON, ILSocio-economic status (SAM.gov): SBSDBWOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.4M ($19,354,818)ETEGENT TECHNOLOGIES, LTD.
UEIFLKAMJTNTDY1CAGE09CV9Location: BLUE ASH, OHSocio-economic status (SAM.gov): SBSecondary NAICSSmall under 541690CMMCNo 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: $19.3M ($19,262,470)- Secondary NAICSNot listed as small under 541690CMMCNo 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: $19.2M ($19,211,861) TECHNICAL ASSISTANCE COLLABORATIVE, INC.
DBA TECHNICAL ASSISTANCE
UEIEW1XK16EPRB8CAGE371B7Location: BOSTON, MASecondary NAICSNot listed as small under 541690CMMCNo 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: $19.2M ($19,194,685)LUCAYAN TECHNOLOGY SOLUTIONS LLC
UEIN8BZNAQJAP43CAGE7HSE7Location: TAMPA, FLSocio-economic status (SAM.gov): SBSDB8(a)VOSBSDVOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.2M ($19,173,066)PROTECH SERVICES ALLIANCE USA, LLC
UEIHELFMVQLNNS5CAGE75SC9Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDBVOSBSDVOSBSecondary NAICSSmall under 541690CMMCNo 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: $19.1M ($19,147,335)VITG CORP
UEIPL7UK3MJJ2S9CAGE7Q743Location: BALTIMORE, MDSocio-economic status (SAM.gov): SBSDB8(a)HUBZoneSecondary NAICSSmall under 541690CMMCNo 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: $19.1M ($19,116,677)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
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 | $19.8M ($19,750,000) | |
UEIJ3LEG8T3BL27CAGE07QZ5 Location: FAIRFAX, VASocio-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 | $19.7M ($19,697,264) |
UEICENJSR2EGVL5CAGE7KG21 Location: MC LEAN, VASocio-economic status (SAM.gov): SBWOSB | 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 | $19.7M ($19,695,663) |
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 | $19.7M ($19,679,223) | |
DBA STRAUGHAN ENVIRONMENTAL SERVICES INC UEIMCNJL7NZMEQ5CAGE1UAL2 Location: COLUMBIA, MDSocio-economic status (SAM.gov): SBWOSB | 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 | $19.6M ($19,632,269) |
UEIHV9XX75VMLP9CAGE0A9Q0 Location: ATMORE, ALSocio-economic status (SAM.gov): SBSDBTribal | 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 | $19.6M ($19,592,498) |
UEIDDFBDLJB2PJ5CAGE8DYC1 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SDB8(a)ANC | 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 | $19.6M ($19,580,742) |
DISASTER SOLUTIONS ALLIANCE, LLC DBA DISASTER SOLUTIONS ALLIANCE LLC UEIFUN2DMNPMQL4CAGE5CW19 Location: GERMANTOWN, MD | 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 | $19.6M ($19,569,149) |
DOBSON DAVANZO & ASSOCIATES, LLC UEIKMGBTM89LNU3CAGE567Z0 Location: VIENNA, VASocio-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 | $19.5M ($19,548,530) |
UEID4AQNDM27G19CAGE80D80 Location: OAK RIDGE, TNSocio-economic status (SAM.gov): SDB8(a)ANC | 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 | $19.5M ($19,536,234) |
UEIDTQVVBSJL6U6CAGE9N7J9 Location: NORTH LAS VEGAS, NVSocio-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 | $19.5M ($19,529,102) |
DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS UEIP8RKVLSH4RL3CAGE80070 Location: NIAGARA FALLS, NY | 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 | $19.5M ($19,467,100) |
UEIMT71C7KB5NA7CAGE71YF1 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)WOSBEDWOSB | 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 | $19.4M ($19,427,523) |
UEIP7TNSH8AJVG2CAGE0FSM1 Location: MOUNT VERNON, ILSocio-economic status (SAM.gov): SBSDBWOSB | 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 | $19.4M ($19,354,818) |
UEIFLKAMJTNTDY1CAGE09CV9 Location: BLUE ASH, OHSocio-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 | $19.3M ($19,262,470) |
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 | $19.2M ($19,211,861) | |
TECHNICAL ASSISTANCE COLLABORATIVE, INC. DBA TECHNICAL ASSISTANCE UEIEW1XK16EPRB8CAGE371B7 Location: BOSTON, MA | 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 | $19.2M ($19,194,685) |
LUCAYAN TECHNOLOGY SOLUTIONS LLC UEIN8BZNAQJAP43CAGE7HSE7 Location: TAMPA, FLSocio-economic status (SAM.gov): SBSDB8(a)VOSBSDVOSB | 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 | $19.2M ($19,173,066) |
PROTECH SERVICES ALLIANCE USA, LLC UEIHELFMVQLNNS5CAGE75SC9 Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDBVOSBSDVOSB | 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 | $19.1M ($19,147,335) |
UEIPL7UK3MJJ2S9CAGE7Q743 Location: BALTIMORE, MDSocio-economic status (SAM.gov): SBSDB8(a)HUBZone | 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 | $19.1M ($19,116,677) |
Related industries
Codes these contractors list most often alongside 541690: natural teaming adjacencies.
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- 541618Other Management Consulting Services19,132shared firms
- 541990All Other Professional, Scientific, and Technical Services18,939shared firms
- 541512Computer Systems Design Services18,789shared firms
- 541519Other Computer Related Services16,995shared firms
- 541511Custom Computer Programming Services16,803shared firms
- 541330Engineering Services15,904shared firms
- 611430Professional and Management Development Training11,327shared firms