NAICS 541690 · Professional, Scientific, and Technical Services

Other Scientific and Technical Consulting Services

43,248 active contractors list NAICS 541690 (Other Scientific and Technical Consulting Services) in SAM.gov; 31,666 are small under its SBA size standard and 6,319 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 43,248
Small under 541690SBA size standard for this code: 31,666
Primary NAICSTheir main line of business: 6,319
Hidden registrationsExcluded, expired or inactive: 568

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

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

Showing 2,021–2,040 of 43,248 contractors

D'OARES LLC
UEIH1U2EM4L3LR4CAGE1A3L7
Location: RICHMOND, TX
Primary 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: None on file
DOC INDUSTRIES LLC
UEIRYHMMQAUS967CAGE21Q77
Location: BELLA VISTA, ARSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary 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: None on file
DODD AND ASSOCIATES LLC
UEILU49HNAZ51C8CAGE14UT0
Location: WALESKA, GASocio-economic status (SAM.gov): SBVOSB
Primary 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: None on file
DODDS & ASSOCIATES LLC
UEIKB2DXSKEGKL3CAGE5GUD2
Location: MANLIUS, NYSocio-economic status (SAM.gov): SB
Primary 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: None on file
DOJO RESEARCH & CONSULTING, LLC
UEIJ35NJGMK7QA8CAGE8AD74
Location: WINDHAM, MESocio-economic status (SAM.gov): SB
Primary 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: None on file
DOLOR-CUFFE ROWENA
DBA ROWENA DOLOR MD
UEIKJBGDBN68PJ8CAGE87LN1
Location: BRENTWOOD, TNSocio-economic status (SAM.gov): SB
Primary 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: None on file
DOMINATOR HOLDINGS LLC
DBA HOMEWORLD SOLUTIONS
UEIF1LZCMEBWAA8CAGE246H7
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary 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: None on file
DONAHUE MICHAEL L
UEICAHGEN9HTAP7CAGE4VPK4
Location: POTOMAC, MDSocio-economic status (SAM.gov): SB
Primary 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 expiringObligated, 36 mo: None on file
DONALD K INGRAM
UEIZCGHDQF22SL6CAGE4VRY6
Location: BATON ROUGE, LA
Primary 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: None on file
DONNA HANSEN & ASSOCIATES LLC
UEIKZ5NKW94ZC56CAGE7XLZ7
Location: HARPERS FERRY, WVSocio-economic status (SAM.gov): SBWOSB
Primary 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: None on file
DOOR COUNTY ECONOMIC DEVELOPMENT CORPORATION
DBA DOOR COUNTY ECONOMIC DEVELOPEMNT
UEIZGFJCL1NZNS1CAGE8P0G3
Location: STURGEON BAY, WISocio-economic status (SAM.gov): SB
Primary 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: None on file
D'ORCA GROUP, LLC
UEIVFW3T5YWBSA7CAGE195E5
Location: FLORIDA CITY, FL
Primary 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: None on file
DORY CONSULTING, LLC
DBA DORY CONSULTING
UEIPF7SZX2P7F34CAGE188F8
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBWOSB
Primary 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: None on file
DOT TRUCKING SAFETY CONSULTANTS LLC
UEIKBNNB6CK9Z45CAGE861X8
Location: INDEPENDENCE, MO
Primary 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: None on file
DOUBLE LAYER LLC
UEIVVVKKNLBRHP8CAGE26MY8
Location: WASHINGTON, DCSocio-economic status (SAM.gov): SB
Primary 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: None on file
DOUBLEXL LLC
UEIUKE7BL1NJGH9CAGE1UH21
Location: EAGLE MOUNTAIN, UTSocio-economic status (SAM.gov): SB
Primary 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: None on file
DOUGLAS THIEME
DBA IEA GLOBAL
UEIEHHGQ1Z59D46CAGE1AUD9
Location: UPLAND, CASocio-economic status (SAM.gov): SB
Primary 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: None on file
DOVER NETWORKS LLC
UEIGPDBBDULA4E5CAGE5X8H4
Location: ELLICOTT CITY, MD
Primary 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: None on file
DOVETAIL CONSULTING INC
DBA DOVETAIL CONSULTING
UEIZ5MRMULUYLA8CAGE4WQY1
Location: COLLEGE PARK, GA
Primary 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: None on file
DOWNRANGE INVESTMENT GROUP LLC
UEID64TTNNWKD23CAGE26MX1
Location: MESA, AZSocio-economic status (SAM.gov): SB
Primary 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: None on file

Contractors listing NAICS 541690, page 102 of 2163
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
D'OARES LLC UEIH1U2EM4L3LR4CAGE1A3L7 Location: RICHMOND, TX	Primary 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	None on file
DOC INDUSTRIES LLC UEIRYHMMQAUS967CAGE21Q77 Location: BELLA VISTA, ARSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary 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	None on file
DODD AND ASSOCIATES LLC UEILU49HNAZ51C8CAGE14UT0 Location: WALESKA, GASocio-economic status (SAM.gov): SBVOSB	Primary 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	None on file
DODDS & ASSOCIATES LLC UEIKB2DXSKEGKL3CAGE5GUD2 Location: MANLIUS, NYSocio-economic status (SAM.gov): SB	Primary 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	None on file
DOJO RESEARCH & CONSULTING, LLC UEIJ35NJGMK7QA8CAGE8AD74 Location: WINDHAM, MESocio-economic status (SAM.gov): SB	Primary 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	None on file
DOLOR-CUFFE ROWENA DBA ROWENA DOLOR MD UEIKJBGDBN68PJ8CAGE87LN1 Location: BRENTWOOD, TNSocio-economic status (SAM.gov): SB	Primary 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	None on file
DOMINATOR HOLDINGS LLC DBA HOMEWORLD SOLUTIONS UEIF1LZCMEBWAA8CAGE246H7 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary 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	None on file
DONAHUE MICHAEL L UEICAHGEN9HTAP7CAGE4VPK4 Location: POTOMAC, MDSocio-economic status (SAM.gov): SB	Primary 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 expiring	None on file
DONALD K INGRAM UEIZCGHDQF22SL6CAGE4VRY6 Location: BATON ROUGE, LA	Primary 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	None on file
DONNA HANSEN & ASSOCIATES LLC UEIKZ5NKW94ZC56CAGE7XLZ7 Location: HARPERS FERRY, WVSocio-economic status (SAM.gov): SBWOSB	Primary 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	None on file
DOOR COUNTY ECONOMIC DEVELOPMENT CORPORATION DBA DOOR COUNTY ECONOMIC DEVELOPEMNT UEIZGFJCL1NZNS1CAGE8P0G3 Location: STURGEON BAY, WISocio-economic status (SAM.gov): SB	Primary 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	None on file
D'ORCA GROUP, LLC UEIVFW3T5YWBSA7CAGE195E5 Location: FLORIDA CITY, FL	Primary 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	None on file
DORY CONSULTING, LLC DBA DORY CONSULTING UEIPF7SZX2P7F34CAGE188F8 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBWOSB	Primary 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	None on file
DOT TRUCKING SAFETY CONSULTANTS LLC UEIKBNNB6CK9Z45CAGE861X8 Location: INDEPENDENCE, MO	Primary 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	None on file
DOUBLE LAYER LLC UEIVVVKKNLBRHP8CAGE26MY8 Location: WASHINGTON, DCSocio-economic status (SAM.gov): SB	Primary 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	None on file
DOUBLEXL LLC UEIUKE7BL1NJGH9CAGE1UH21 Location: EAGLE MOUNTAIN, UTSocio-economic status (SAM.gov): SB	Primary 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	None on file
DOUGLAS THIEME DBA IEA GLOBAL UEIEHHGQ1Z59D46CAGE1AUD9 Location: UPLAND, CASocio-economic status (SAM.gov): SB	Primary 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	None on file
DOVER NETWORKS LLC UEIGPDBBDULA4E5CAGE5X8H4 Location: ELLICOTT CITY, MD	Primary 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	None on file
DOVETAIL CONSULTING INC DBA DOVETAIL CONSULTING UEIZ5MRMULUYLA8CAGE4WQY1 Location: COLLEGE PARK, GA	Primary 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	None on file
DOWNRANGE INVESTMENT GROUP LLC UEID64TTNNWKD23CAGE26MX1 Location: MESA, AZSocio-economic status (SAM.gov): SB	Primary 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	None on file

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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