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.
- 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 15,341–15,360 of 15,643 contractors
WATERWISE ENTERPRISES LLC
UEIWKR4V3CK8KM8CAGE9J3W9Location: OXFORD, KSSocio-economic status (SAM.gov): SBSecondary NAICSSmall under 541620CMMCNo 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 fileWATKINS & ASSOCIATES, CONSULTING ENGINEERS, LLC
UEIK1EQKMP19EF5CAGE84NX2Location: TIFTON, GASocio-economic status (SAM.gov): SBVOSBSecondary NAICSSmall under 541620CMMCNo 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 fileWATTS ARCHITECTURE & ENGINEERING, DPC
DBA WATTS ARCHITECTS & ENGINEERS
UEITCFMA3AHWB64CAGE1FHY2Location: BUFFALO, NYSecondary NAICSNot listed as small under 541620CMMCNo 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 fileWATTS LLC
DBA TERRINEKA WATTS
UEIN76XE8SBHQE5CAGE11Y73Location: LAS VEGAS, NVSocio-economic status (SAM.gov): SBWOSBSecondary NAICSSmall under 541620CMMCNo 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- Secondary NAICSNot listed as small under 541620CMMCNo 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 - Secondary NAICSNot listed as small under 541620CMMCNo 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 WAZIRY LLC
DBA WAZIRY BUILDERS
UEIUKPRUY8BR9M8CAGE9FTA1Location: WOODBRIDGE, VASocio-economic status (SAM.gov): SBSDBSecondary NAICSSmall under 541620CMMCNo 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- Secondary NAICSNot listed as small under 541620CMMCNo 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 WBK WILEY WILSON JV LLC
UEISF19UKKJSBZ7CAGE9T4H5Location: ALEXANDRIA, VASocio-economic status (SAM.gov): TribalSecondary NAICSNot listed as small under 541620CMMCNo 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 fileWBK WILEY WILSON JV LLC
UEIWK7VKNU6JXT6CAGE9WLZ8Location: SAINT CHARLES, ILSocio-economic status (SAM.gov): TribalSecondary NAICSNot listed as small under 541620CMMCNo 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- Secondary NAICSNot listed as small under 541620CMMCNo 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 - Secondary NAICSNot listed as small under 541620CMMCNo 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 WCH CONSULTING, LLC
UEISANNX2B6G126CAGE16AZ5Location: JOHNS ISLAND, SCSocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 541620CMMCNo 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 fileWDM + A & M WOMAN-OWNED SMALL BUSINESS JOINT VENTURE
UEIXLFYZB1MHCX8CAGE8PX11Location: BAXTER SPRINGS, KSSecondary NAICSNot listed as small under 541620CMMCNo 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- Secondary NAICSNot listed as small under 541620CMMCNo 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 WEATHER MODIFICATION LLC
UEIVJHHLAWUB5A6CAGE6WU06Location: FARGO, NDSocio-economic status (SAM.gov): SBVOSBSecondary NAICSNot listed as small under 541620CMMCNo 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 fileWEAVER CONSULTANTS GROUP, LLC
DBA WEAVER BOOS CONSULTANTS
UEIG1GNACDVEQ14CAGE5JKQ7Location: CHICAGO, ILSecondary NAICSNot listed as small under 541620CMMCNo 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 fileWEBB ENVIRONMENTAL, LLC
UEIFKS3K228FVN3CAGE8NP02Location: WESTMINSTER, MDSocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 541620CMMCNo 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 fileWEBHAWKX, LLC
DBA WEBHAWKX
UEIHRN6CJSDHD68CAGE9YUQ7Location: LAUREL, MDSocio-economic status (SAM.gov): SBSDBSecondary NAICSSmall under 541620CMMCNo 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 fileWEIS TOXICOLOGY, LLC
UEICJHJCXE1SLC7CAGE24RY6Location: BETHESDA, MDSocio-economic status (SAM.gov): SBSecondary NAICSSmall under 541620CMMCNo 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
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
UEIWKR4V3CK8KM8CAGE9J3W9 Location: OXFORD, KSSocio-economic status (SAM.gov): SB | Secondary 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 |
WATKINS & ASSOCIATES, CONSULTING ENGINEERS, LLC UEIK1EQKMP19EF5CAGE84NX2 Location: TIFTON, GASocio-economic status (SAM.gov): SBVOSB | Secondary 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 |
WATTS ARCHITECTURE & ENGINEERING, DPC DBA WATTS ARCHITECTS & ENGINEERS UEITCFMA3AHWB64CAGE1FHY2 Location: BUFFALO, NY | Secondary 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 |
DBA TERRINEKA WATTS UEIN76XE8SBHQE5CAGE11Y73 Location: LAS VEGAS, NVSocio-economic status (SAM.gov): SBWOSB | Secondary 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 |
Secondary 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 | |
Secondary 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 | |
DBA WAZIRY BUILDERS UEIUKPRUY8BR9M8CAGE9FTA1 Location: WOODBRIDGE, VASocio-economic status (SAM.gov): SBSDB | Secondary 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 |
Secondary 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 | |
UEISF19UKKJSBZ7CAGE9T4H5 Location: ALEXANDRIA, VASocio-economic status (SAM.gov): Tribal | Secondary 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 |
UEIWK7VKNU6JXT6CAGE9WLZ8 Location: SAINT CHARLES, ILSocio-economic status (SAM.gov): Tribal | Secondary 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 |
Secondary 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 | |
Secondary 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 | |
UEISANNX2B6G126CAGE16AZ5 Location: JOHNS ISLAND, SCSocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary 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 |
WDM + A & M WOMAN-OWNED SMALL BUSINESS JOINT VENTURE UEIXLFYZB1MHCX8CAGE8PX11 Location: BAXTER SPRINGS, KS | Secondary 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 |
Secondary 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 | |
UEIVJHHLAWUB5A6CAGE6WU06 Location: FARGO, NDSocio-economic status (SAM.gov): SBVOSB | Secondary 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 |
DBA WEAVER BOOS CONSULTANTS UEIG1GNACDVEQ14CAGE5JKQ7 Location: CHICAGO, IL | Secondary 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 |
UEIFKS3K228FVN3CAGE8NP02 Location: WESTMINSTER, MDSocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary 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 |
DBA WEBHAWKX UEIHRN6CJSDHD68CAGE9YUQ7 Location: LAUREL, MDSocio-economic status (SAM.gov): SBSDB | Secondary 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 |
UEICJHJCXE1SLC7CAGE24RY6 Location: BETHESDA, MDSocio-economic status (SAM.gov): SB | Secondary 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 |
Related industries
Codes these contractors list most often alongside 541620: natural teaming adjacencies.
- 541690Other Scientific and Technical Consulting Services7,745shared firms
- 541330Engineering Services7,553shared firms
- 541611Administrative Management and General Management Consulting Services6,163shared firms
- 541990All Other Professional, Scientific, and Technical Services5,670shared firms
- 562910Remediation Services5,339shared firms
- 541618Other Management Consulting Services4,962shared firms
- 561210Facilities Support Services4,334shared firms
- 236220Commercial and Institutional Building Construction3,439shared firms