NAICS 541690 · Professional, Scientific, and Technical Services

Other Scientific and Technical Consulting Services

43,205 active contractors list NAICS 541690 (Other Scientific and Technical Consulting Services) in SAM.gov; 31,657 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: 43,205
Small under 541690SBA size standard for this code: 31,657
Primary NAICSTheir main line of business: 6,311
Hidden registrationsExcluded, expired or inactive: 611

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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

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

Showing 3,761–3,780 of 43,205 contractors

MAPLE MOUNTAIN CONSULTING, LLC
UEIL8EXA2TEVYH9CAGE9ECZ2
Location: BURLINGTON, VTSocio-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
MARBEK ENGINEERING & PHYSICS, INC.
UEIC5MUUN3V6PG5CAGE18RU7
Location: OVIEDO, FLSocio-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
MARCHAND CONSULTING LLC
UEIDN3KBEJ7A9L4CAGE9AJM0
Location: COVINGTON, 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
MARC STRATEGIC SOLUTIONS LLC
UEIT2QZL4HQZZE3CAGE8ZBX9
Location: ANN ARBOR, MISocio-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
MARES ASSOCIATES LLC
UEIN6HSMLLM8Y97CAGE81PK4
Location: DUXBURY, MASocio-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
MARINA D. RODRIGUEZ
UEIU2B5YBHGHHQ8CAGE18WV4
Location: LAPORTE, CO
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
MARINE AWARENESS RESEARCH AND EDUCATIONAL SOCIETY INCORPORATED
UEIKDCDXMEFTL22CAGE7NT36
Location: SAN JUAN, PR
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
MARINE CHEMISTS OF LOUISIANA, L.L.C.
DBA MARINE CHEMISTS OF LOUISIANA LLC
UEINQ43YKEHTYK4CAGE4JU06
Location: NEW ORLEANS, 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 activeObligated, 36 mo: None on file
MARINE CHEMIST TESTING LLC
UEIYKB2PU18ALK9CAGE6QN84
Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBSDB
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
MARINE RENEWABLE ENERGY CONSULTING LLC
UEIZJ8AMEB8FJR7CAGE17EN1
Location: TRACYS LANDING, 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 activeObligated, 36 mo: None on file
MARITIME AVIATION SECURITY TEAM, LLC
UEIKP5MXNVTB8M4CAGE8LKD9
Location: WILMINGTON, NCSocio-economic status (SAM.gov): SDB8(a)
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
MARITIME GEOSPATIAL LLC
UEIMBWYHMHBNDF7CAGE156N1
Location: IJAMSVILLE, MDSocio-economic status (SAM.gov): SBSDBVOSB
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
MARITIME INTELLIGENCE AND SECURITY TRAINING, LLC
UEIPLG4SN4KTY76CAGE99B28
Location: SEVERNA PARK, MDSocio-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
MARI V BRAY DVM
DBA LABORATORY ANIMAL VETERINARY CONSULTING SERVICES LAVCS
UEIV2VAUZRJ9CP8CAGE1ABT4
Location: POWAY, CA
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
MARK A HEMPHILL-HALEY
UEIX9DUB45VVPL7CAGE89V51
Location: EUGENE, ORSocio-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
MARK A LOGOMASINI & ASSOCIATES INC
UEIT3NKRZMJNBX5CAGE6FQ56
Location: LAKE FOREST, 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
MARK BROWNING
UEIKXQDKQHFPEP5CAGE0UQD4
Location: SUNRISE BEACH, MOSocio-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
MARKDKELLYCONSULTING LLC
UEINUM1S4V4PQ63CAGE01V88
Location: RALEIGH, NCSocio-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
MARKET SOLUTIONS LLC
UEIFZQ2DFHA84C7CAGE8QYL7
Location: CHEVY CHASE, 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 activeObligated, 36 mo: None on file
MARK FUHRMANN
UEITA1JM3W47EL7CAGE9SLZ7
Location: LYNNFIELD, MASocio-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 189 of 2161
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
MAPLE MOUNTAIN CONSULTING, LLC UEIL8EXA2TEVYH9CAGE9ECZ2 Location: BURLINGTON, VTSocio-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
MARBEK ENGINEERING & PHYSICS, INC. UEIC5MUUN3V6PG5CAGE18RU7 Location: OVIEDO, FLSocio-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
MARCHAND CONSULTING LLC UEIDN3KBEJ7A9L4CAGE9AJM0 Location: COVINGTON, 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
MARC STRATEGIC SOLUTIONS LLC UEIT2QZL4HQZZE3CAGE8ZBX9 Location: ANN ARBOR, MISocio-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
MARES ASSOCIATES LLC UEIN6HSMLLM8Y97CAGE81PK4 Location: DUXBURY, MASocio-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
MARINA D. RODRIGUEZ UEIU2B5YBHGHHQ8CAGE18WV4 Location: LAPORTE, CO	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
MARINE AWARENESS RESEARCH AND EDUCATIONAL SOCIETY INCORPORATED UEIKDCDXMEFTL22CAGE7NT36 Location: SAN JUAN, PR	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
MARINE CHEMISTS OF LOUISIANA, L.L.C. DBA MARINE CHEMISTS OF LOUISIANA LLC UEINQ43YKEHTYK4CAGE4JU06 Location: NEW ORLEANS, 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 active	None on file
MARINE CHEMIST TESTING LLC UEIYKB2PU18ALK9CAGE6QN84 Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBSDB	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
MARINE RENEWABLE ENERGY CONSULTING LLC UEIZJ8AMEB8FJR7CAGE17EN1 Location: TRACYS LANDING, 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 active	None on file
MARITIME AVIATION SECURITY TEAM, LLC UEIKP5MXNVTB8M4CAGE8LKD9 Location: WILMINGTON, NCSocio-economic status (SAM.gov): SDB8(a)	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
MARITIME GEOSPATIAL LLC UEIMBWYHMHBNDF7CAGE156N1 Location: IJAMSVILLE, MDSocio-economic status (SAM.gov): SBSDBVOSB	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
MARITIME INTELLIGENCE AND SECURITY TRAINING, LLC UEIPLG4SN4KTY76CAGE99B28 Location: SEVERNA PARK, MDSocio-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
MARI V BRAY DVM DBA LABORATORY ANIMAL VETERINARY CONSULTING SERVICES LAVCS UEIV2VAUZRJ9CP8CAGE1ABT4 Location: POWAY, CA	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
MARK A HEMPHILL-HALEY UEIX9DUB45VVPL7CAGE89V51 Location: EUGENE, ORSocio-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
MARK A LOGOMASINI & ASSOCIATES INC UEIT3NKRZMJNBX5CAGE6FQ56 Location: LAKE FOREST, 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
MARK BROWNING UEIKXQDKQHFPEP5CAGE0UQD4 Location: SUNRISE BEACH, MOSocio-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
MARKDKELLYCONSULTING LLC UEINUM1S4V4PQ63CAGE01V88 Location: RALEIGH, NCSocio-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
MARKET SOLUTIONS LLC UEIFZQ2DFHA84C7CAGE8QYL7 Location: CHEVY CHASE, 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 active	None on file
MARK FUHRMANN UEITA1JM3W47EL7CAGE9SLZ7 Location: LYNNFIELD, MASocio-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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