NAICS 541620 · Professional, Scientific, and Technical Services
Environmental Consulting Services
15,627 active contractors list NAICS 541620 (Environmental Consulting Services) in SAM.gov; 9,859 are small under its SBA size standard and 3,335 list it as their primary NAICS.
- Active contractors
- 15,627
- Small under 541620SBA size standard for this code
- 9,859
- Primary NAICSTheir main line of business
- 3,335
- Hidden registrationsExcluded, expired or inactive
- 248
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
248 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them
Showing 3,281–3,300 of 15,627 contractors
- Primary 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 WILD LANDS INSTITUTE LLC
UEID2PUQZ2Z1N55CAGE24TY9Location: AUBURN, ALSocio-economic status (SAM.gov): SBVOSBSDVOSBPrimary 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 fileWILDLAND WATERSHED SPECIALISTS LLC
UEIWY8JMS4MESS7CAGE7NYT8Location: GRESHAM, ORSocio-economic status (SAM.gov): SBPrimary 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 fileWILDLIFE CONSERVATION SYSTEMS LLC
UEIFJ8RBKS1LMC9CAGE252S8Location: WILTON, CASocio-economic status (SAM.gov): SBPrimary 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- Primary 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 - Primary 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 WILDWOOD CONSULTING, INC.
UEIEF5NATVYJZM6CAGE4SL17Location: SAINT AUGUSTINE, FLSocio-economic status (SAM.gov): SBWOSBPrimary 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 fileWILDWOOD ENVIRONMENTAL LLC
UEINSCLBTNYG824CAGE7GR55Location: PORTLAND, ORSocio-economic status (SAM.gov): SBWOSBPrimary 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- Primary 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 WILLBANKS ENVIRONMENTAL CONSULTING, INC
DBA WILLBANKS ENVIRONMENTAL CONSULTING
UEIQCN4RHS36Z45CAGE75R87Location: FRESNO, CASocio-economic status (SAM.gov): SBWOSBPrimary 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- Primary 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 WILLIAM ESPARZA CONSULTING LLC
UEIM6LBVK6NL5H4CAGE22X11Location: SACRAMENTO, CASocio-economic status (SAM.gov): SBVOSBSDVOSBPrimary 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 fileWILLIAM W WALKER JR
UEINW83UBCW3CJ5CAGE1YFU8Location: HARPSWELL, MESocio-economic status (SAM.gov): SBPrimary 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 fileWILLIS ENVIRONMENTAL ENGINEERING, INC.
DBA WILLIS ENVIRONMENTAL ENGINEERING
UEIE2X4MNZ2FTM6CAGE8FWR5Location: MARBLE FALLS, TXPrimary 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 fileWILLOW CREEK ENVIRONMENTAL CONSULTING, LLC
UEIXGU8NZMJKLD1CAGE7RZ89Location: KINGMAN, AZSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSBPrimary 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 fileWILMOT INC.
DBA WILMOT INC
UEICEGMQLGZ42Z9CAGE1QXM3Location: Nashville, TNSocio-economic status (SAM.gov): SBSDBWOSBPrimary 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- Primary 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 - Primary 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 WINCHESTER PACIFIC ENVIRONMENTAL LLC
UEIL5EYXNE8DRK7CAGE23EZ4Location: HONOLULU, HISocio-economic status (SAM.gov): SBVOSBSDVOSBPrimary 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 fileWIND RIVER BEAR INSTITUTE
UEIPL5XZ7VLYA19CAGE12JJ8Location: FAIRBANKS, AKSocio-economic status (SAM.gov): SBPrimary 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
Related industries
Codes these contractors list most often alongside 541620: natural teaming adjacencies.
- 541690Other Scientific and Technical Consulting Services7,737shared firms
- 541330Engineering Services7,546shared firms
- 541611Administrative Management and General Management Consulting Services6,158shared firms
- 541990All Other Professional, Scientific, and Technical Services5,662shared firms
- 562910Remediation Services5,335shared firms
- 541618Other Management Consulting Services4,958shared firms
- 561210Facilities Support Services4,332shared firms
- 236220Commercial and Institutional Building Construction3,438shared firms
