NAICS 541620 · Professional, Scientific, and Technical Services

Environmental Consulting Services

15,643 active contractors list NAICS 541620 (Environmental Consulting Services) in SAM.gov; 9,860 are small under its SBA size standard and 3,341 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 15,643
Small under 541620SBA size standard for this code: 9,860
Primary NAICSTheir main line of business: 3,341
Hidden registrationsExcluded, expired or inactive: 232

Work this industry

Live RFPs in this NAICS
Open SAM.gov solicitations coded 541620, matched to teaming partners.
Expiring awards
Incumbent contracts in 541620 heading to recompete in the next 18 months.
Small under 541620
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 541620

Claimed profiles come first by membership level, then companies with 541620 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

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

Showing 2,881–2,900 of 15,643 contractors

STANTEC JACOBS BUCHART HORN JOINT VENTURE
UEIS2HTD6G5WNN6CAGE9QY08
Location: CHARLOTTESVILLE, VA
Primary NAICSNot listed as small under 541620
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
STANTEC - PRIME AE JV
UEIJXUZAGWB23M5CAGE14U11
Location: CHARLOTTESVILLE, VA
Primary NAICSNot listed as small under 541620
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
STARCREST CONSULTING GROUP, LLC
UEIYMK7JNCDE2R8CAGE9JLS7
Location: ALBUQUERQUE, NMSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STARGASSO GROUP INC
UEIGPXQQLHFM8A7CAGE18PB3
Location: WOBURN, MASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STAR SIGNAL PARTNERS, LLC
UEIZXNQPEPSDZX7CAGE09B03
Location: DALLAS, TXSocio-economic status (SAM.gov): SBWOSB
Primary NAICSSmall under 541620
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
STAT INTEGRATED TECHNOLOGIES, INC
DBA AQUA DOC
UEIPDMRVSJYY5C6CAGE90PK0
Location: CHARDON, OHSocio-economic status (SAM.gov): SB
Primary NAICSNot listed as small under 541620
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
STC ENVIRONMENTAL SERVICES INC
UEIEEKKDBU2XQN1CAGE0UB26
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STELL ENVIRONMENTAL ENTERPRISES INC
UEIYEALHM3X78N9CAGE3S0T3
Location: REDMOND, WASocio-economic status (SAM.gov): SBSDB8(a)WOSBVOSBSDVOSB
Primary NAICSSmall under 541620
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
STEMITON DYNAMICS LLC
UEIZC6TJD7149X1CAGE20SB1
Location: VAN BUREN, ARSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STEPMAN PINSONNAULT & ASSOCIATES INC
DBA VERDANT ENVIRONMENTAL
UEISJNMFNB6KXG6CAGE4KCE5
Location: SOUTH PASADENA, CASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STEVENSON ROBERT JAN
UEIUKPFDPNCFGQ7CAGE4CZ30
Location: OKEMOS, MISocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STEWARD GREEN LLC
UEIKE54SF8F6YS6CAGE9WB05
Location: SOMERVILLE, NJSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STEWARDSHIP AND SUSTAINABILITY SOLUTIONS JV
UEIKMBYXAERLMX5CAGE9FFM7
Location: NORTH BEND, ORSocio-economic status (SAM.gov): SBSDBTribal
Primary NAICSSmall under 541620
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
STILES ENVIRONMENTAL & INDUSTRIAL HYGIENE LLC
UEISDJUX3X4BDB3CAGE12VK5
Location: EVERGREEN, COSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES
UEIVXAHDMSNP7P7CAGE1SX16
Location: BERKELEY, CA
Primary NAICSNot listed as small under 541620
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
STINA, INC
UEIVUH1D5CWNY95CAGE1ASS5
Location: SONOMA, CA
Primary NAICSNot listed as small under 541620
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
ST JOHN ENVIRONMENTAL CONSULTING LLC
UEIWQADFEGABBY4CAGE86SL5
Location: SAINT LOUIS, MOSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSSmall under 541620
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
ST LOUIS REGIONAL CLEAN CITIES
UEINRXJRMHHLBE8CAGE4M0B3
Location: SAINT LOUIS, MO
Primary NAICSNot listed as small under 541620
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
STOHL ENVIRONMENTAL LLC
UEIP154UKMFDT64CAGE4AFW5
Location: ORCHARD PARK, NYSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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
STOKES ENVIRONMENTAL ASSOCIATES, LTD.
UEIXNUCPZ6W33L7CAGE08QC9
Location: NORFOLK, VASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541620
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 541620, page 145 of 783
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
STANTEC JACOBS BUCHART HORN JOINT VENTURE UEIS2HTD6G5WNN6CAGE9QY08 Location: CHARLOTTESVILLE, VA	Primary NAICSNot listed as small under 541620	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
STANTEC - PRIME AE JV UEIJXUZAGWB23M5CAGE14U11 Location: CHARLOTTESVILLE, VA	Primary NAICSNot listed as small under 541620	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
STARCREST CONSULTING GROUP, LLC UEIYMK7JNCDE2R8CAGE9JLS7 Location: ALBUQUERQUE, NMSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STARGASSO GROUP INC UEIGPXQQLHFM8A7CAGE18PB3 Location: WOBURN, MASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STAR SIGNAL PARTNERS, LLC UEIZXNQPEPSDZX7CAGE09B03 Location: DALLAS, TXSocio-economic status (SAM.gov): SBWOSB	Primary NAICSSmall under 541620	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
STAT INTEGRATED TECHNOLOGIES, INC DBA AQUA DOC UEIPDMRVSJYY5C6CAGE90PK0 Location: CHARDON, OHSocio-economic status (SAM.gov): SB	Primary NAICSNot listed as small under 541620	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
STC ENVIRONMENTAL SERVICES INC UEIEEKKDBU2XQN1CAGE0UB26 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STELL ENVIRONMENTAL ENTERPRISES INC UEIYEALHM3X78N9CAGE3S0T3 Location: REDMOND, WASocio-economic status (SAM.gov): SBSDB8(a)WOSBVOSBSDVOSB	Primary NAICSSmall under 541620	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
STEMITON DYNAMICS LLC UEIZC6TJD7149X1CAGE20SB1 Location: VAN BUREN, ARSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STEPMAN PINSONNAULT & ASSOCIATES INC DBA VERDANT ENVIRONMENTAL UEISJNMFNB6KXG6CAGE4KCE5 Location: SOUTH PASADENA, CASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STEVENSON ROBERT JAN UEIUKPFDPNCFGQ7CAGE4CZ30 Location: OKEMOS, MISocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STEWARD GREEN LLC UEIKE54SF8F6YS6CAGE9WB05 Location: SOMERVILLE, NJSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STEWARDSHIP AND SUSTAINABILITY SOLUTIONS JV UEIKMBYXAERLMX5CAGE9FFM7 Location: NORTH BEND, ORSocio-economic status (SAM.gov): SBSDBTribal	Primary NAICSSmall under 541620	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
STILES ENVIRONMENTAL & INDUSTRIAL HYGIENE LLC UEISDJUX3X4BDB3CAGE12VK5 Location: EVERGREEN, COSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES UEIVXAHDMSNP7P7CAGE1SX16 Location: BERKELEY, CA	Primary NAICSNot listed as small under 541620	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
STINA, INC UEIVUH1D5CWNY95CAGE1ASS5 Location: SONOMA, CA	Primary NAICSNot listed as small under 541620	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
ST JOHN ENVIRONMENTAL CONSULTING LLC UEIWQADFEGABBY4CAGE86SL5 Location: SAINT LOUIS, MOSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSSmall under 541620	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
ST LOUIS REGIONAL CLEAN CITIES UEINRXJRMHHLBE8CAGE4M0B3 Location: SAINT LOUIS, MO	Primary NAICSNot listed as small under 541620	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
STOHL ENVIRONMENTAL LLC UEIP154UKMFDT64CAGE4AFW5 Location: ORCHARD PARK, NYSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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
STOKES ENVIRONMENTAL ASSOCIATES, LTD. UEIXNUCPZ6W33L7CAGE08QC9 Location: NORFOLK, VASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541620	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 541620: natural teaming adjacencies.

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

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