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 3,501–3,520 of 15,627 contractors
NATIVE AMERICAN SERVICES CORP.
DBA NATIVE AMERICAN SERVICES CORP
UEIJJBYGM39TWM7CAGE1KCL3Location: KELLOGG, IDSocio-economic status (SAM.gov): SBSecondary 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: $221.2M ($221,166,632)- 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: $217.3M ($217,314,624) - 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: $215.8M ($215,783,596) 22ND CENTURY NETWORKS, INC.
UEIN1SKKJ6FCRK5CAGE1NKL9Location: RESTON, VASocio-economic status (SAM.gov): SBSecondary 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: $215.1M ($215,090,405)SES CONSTRUCTION AND FUEL SERVICES LLC
UEIC1CCESCMJUY1CAGE5XX45Location: Knoxville, TNSocio-economic status (SAM.gov): SBSDBANCSecondary 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: $211.4M ($211,397,156)- 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: $211.3M ($211,325,537) MICROHEALTH LLC
UEIC1RQANT6CG57CAGE6KG35Location: VIENNA, VASocio-economic status (SAM.gov): SBSDBVOSBSDVOSBSecondary 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: $209.6M ($209,605,419)REDHORSE CORPORATION
DBA REDHORSE TECHNICAL SERVICES, INC.
UEIJM1RHRXMLKG8CAGE4WS86Location: ARLINGTON, VASecondary 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: $209.4M ($209,383,261)- 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: $208.3M ($208,285,721) - 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: $208.1M ($208,132,201) - 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: $204.2M ($204,221,503) ADVANCED CONCEPTS ENTERPRISES, INC.
DBA ACES
UEIM3RYFKZVHLY6CAGE3C1K9Location: FORT WALTON BEACH, FLSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSBSecondary 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: $203.3M ($203,320,912)KATMAI INTEGRATED SOLUTIONS, LLC
UEIGHLJX6LSQET8CAGE69K56Location: ANCHORAGE, AKSocio-economic status (SAM.gov): ANCTribalSecondary 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: $203.1M ($203,126,137)SAVANTAGE FINANCIAL SERVICES, INC.
DBA SAVANTAGE SOLUTIONS
UEIHJXCFLHBZ6S1CAGE1HNE1Location: ROCKVILLE, MDSocio-economic status (SAM.gov): SBWOSBSecondary 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: $202.5M ($202,522,770)DEVTECH SYSTEMS INC
UEIEL4ELTMA71M1CAGE1BMA5Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDBSecondary 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: $201.3M ($201,348,256)- 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: $201M ($201,022,891) SCITECH SERVICES INC
UEIJ2MLBY6SY6R8CAGE0PL11Location: HAVRE DE GRACE, 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: $194.2M ($194,219,329)- 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: $193.6M ($193,579,302) - 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: $192.5M ($192,528,749) - 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: $192.5M ($192,502,965)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
NATIVE AMERICAN SERVICES CORP. DBA NATIVE AMERICAN SERVICES CORP UEIJJBYGM39TWM7CAGE1KCL3 Location: KELLOGG, IDSocio-economic status (SAM.gov): SB | 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 | $221.2M ($221,166,632) |
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 | $217.3M ($217,314,624) | |
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 | $215.8M ($215,783,596) | |
UEIN1SKKJ6FCRK5CAGE1NKL9 Location: RESTON, VASocio-economic status (SAM.gov): SB | 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 | $215.1M ($215,090,405) |
SES CONSTRUCTION AND FUEL SERVICES LLC UEIC1CCESCMJUY1CAGE5XX45 Location: Knoxville, TNSocio-economic status (SAM.gov): SBSDBANC | 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 | $211.4M ($211,397,156) |
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 | $211.3M ($211,325,537) | |
UEIC1RQANT6CG57CAGE6KG35 Location: VIENNA, VASocio-economic status (SAM.gov): SBSDBVOSBSDVOSB | 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 | $209.6M ($209,605,419) |
DBA REDHORSE TECHNICAL SERVICES, INC. UEIJM1RHRXMLKG8CAGE4WS86 Location: ARLINGTON, VA | 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 | $209.4M ($209,383,261) |
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 | $208.3M ($208,285,721) | |
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 | $208.1M ($208,132,201) | |
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 | $204.2M ($204,221,503) | |
ADVANCED CONCEPTS ENTERPRISES, INC. DBA ACES UEIM3RYFKZVHLY6CAGE3C1K9 Location: FORT WALTON BEACH, FLSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSB | 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 | $203.3M ($203,320,912) |
KATMAI INTEGRATED SOLUTIONS, LLC UEIGHLJX6LSQET8CAGE69K56 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): ANCTribal | 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 | $203.1M ($203,126,137) |
SAVANTAGE FINANCIAL SERVICES, INC. DBA SAVANTAGE SOLUTIONS UEIHJXCFLHBZ6S1CAGE1HNE1 Location: ROCKVILLE, MDSocio-economic status (SAM.gov): SBWOSB | 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 | $202.5M ($202,522,770) |
UEIEL4ELTMA71M1CAGE1BMA5 Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDB | 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 | $201.3M ($201,348,256) |
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 | $201M ($201,022,891) | |
UEIJ2MLBY6SY6R8CAGE0PL11 Location: HAVRE DE GRACE, 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 | $194.2M ($194,219,329) |
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 | $193.6M ($193,579,302) | |
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 | $192.5M ($192,528,749) | |
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 | $192.5M ($192,502,965) |
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