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 3,561–3,580 of 15,627 contractors
- 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: $151.4M ($151,408,998) CHICKASAW BUSINESS SOLUTIONS, LLC
DBA CHICKASAW BUSINESS SOLUTIONS LLC
UEIMLZUA1ANB399CAGE89HH8Location: NORMAN, OKSocio-economic status (SAM.gov): SBSDB8(a)HUBZoneTribalSecondary 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: $151.1M ($151,078,761)LOGISTICS SYSTEMS INCORPORATED
UEIMMJUKEH7ENA7CAGE3GKH3Location: ALEXANDRIA, VASocio-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: $150.1M ($150,093,774)CONSOLIDATED SAFETY SERVICES INCORPORATED
DBA CONSOLIDATED SAFETY SERVICES INC
UEIDFAEDF67P941CAGE1CJU6Location: FAIRFAX, 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 activeObligated, 36 mo: $147.8M ($147,761,286)DAWSON MCG, INC.
UEIHS3VC3KDDGJ6CAGE8NM13Location: HONOLULU, HISocio-economic status (SAM.gov): SBSDB8(a)Secondary 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: $146.4M ($146,422,214)- 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: $146M ($146,030,725) ADVANCED SYSTEMS & SOFTWARE ENGINEERING TECHNOLOGIES LLC
UEIGN9PRA3BQYK7CAGE90TW0Location: RIDGECREST, CASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary 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: $145.5M ($145,531,703)- 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: $144.6M ($144,581,338) FEDWRITERS, INC.
DBA FWI
UEICMVLQH8CKYQ5CAGE65RV7Location: FAIRFAX, 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: $142.4M ($142,368,599)- 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: $142.2M ($142,194,395) GOLDBELT PROFESSIONAL SERVICES, LLC
UEIL6EGSSQUATW9CAGE6Y1M0Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBSDB8(a)ANCSecondary 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: $141M ($140,998,614)SES CIVIL AND ENVIRONMENTAL LLC
UEIJMCFBVM7YNW7CAGE71WE3Location: KNOXVILLE, TNSocio-economic status (SAM.gov): ANCSecondary 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: $140.5M ($140,541,485)- 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: $138.9M ($138,866,345) MARTON TECHNOLOGIES INC
DBA MARTON TECHNOLOGIES
UEILXHML7BUSVK4CAGE3ZYM5Location: VIENNA, VASocio-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: $138.7M ($138,708,930)NATIVE ENERGY & TECHNOLOGY INC
UEIHKXEUQBJJRC4CAGE1L8Y9Location: SAN ANTONIO, TXSocio-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: $138.5M ($138,519,829)TECHNOLOGY TRENDS GROUP, LLC
UEIKAHAY47HK3Z3CAGE481E1Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDBTribalSecondary 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: $138.3M ($138,287,748)PUYENPA CONSTRUCTION, LLC
UEIDGCQQJQCN4X8CAGE8EUM5Location: DUCKWATER, NVSocio-economic status (SAM.gov): SBSDB8(a)HUBZoneTribalSecondary 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: $137.5M ($137,485,475)ACUITY-CHS, LLC
DBA PT&C LWG FORENSIC CONSULTING SERVICES
UEIDGJ7M32ZMKN3CAGE0B664Location: CAPE CANAVERAL, FLSecondary 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: $137.1M ($137,118,645)COMPTECH COMPUTER TECHNOLOGIES, INC
UEID5CCM1PF7WW5CAGE3HF12Location: CENTERVILLE, OHSocio-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: $136.4M ($136,384,607)ADVANCIA AERONAUTICS, LLC
UEIN11PKHJ1VTF5CAGE4PA70Location: MILWAUKEE, WISocio-economic status (SAM.gov): SBSDBTribalSecondary 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: $136.1M ($136,135,518)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
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 | $151.4M ($151,408,998) | |
CHICKASAW BUSINESS SOLUTIONS, LLC DBA CHICKASAW BUSINESS SOLUTIONS LLC UEIMLZUA1ANB399CAGE89HH8 Location: NORMAN, OKSocio-economic status (SAM.gov): SBSDB8(a)HUBZoneTribal | 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 | $151.1M ($151,078,761) |
LOGISTICS SYSTEMS INCORPORATED UEIMMJUKEH7ENA7CAGE3GKH3 Location: ALEXANDRIA, VASocio-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 | $150.1M ($150,093,774) |
CONSOLIDATED SAFETY SERVICES INCORPORATED DBA CONSOLIDATED SAFETY SERVICES INC UEIDFAEDF67P941CAGE1CJU6 Location: FAIRFAX, 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 active | $147.8M ($147,761,286) |
UEIHS3VC3KDDGJ6CAGE8NM13 Location: HONOLULU, HISocio-economic status (SAM.gov): SBSDB8(a) | 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 | $146.4M ($146,422,214) |
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 | $146M ($146,030,725) | |
ADVANCED SYSTEMS & SOFTWARE ENGINEERING TECHNOLOGIES LLC UEIGN9PRA3BQYK7CAGE90TW0 Location: RIDGECREST, CASocio-economic status (SAM.gov): SBVOSBSDVOSB | 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 | $145.5M ($145,531,703) |
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 | $144.6M ($144,581,338) | |
DBA FWI UEICMVLQH8CKYQ5CAGE65RV7 Location: FAIRFAX, 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 | $142.4M ($142,368,599) |
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 | $142.2M ($142,194,395) | |
GOLDBELT PROFESSIONAL SERVICES, LLC UEIL6EGSSQUATW9CAGE6Y1M0 Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBSDB8(a)ANC | 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 | $141M ($140,998,614) |
SES CIVIL AND ENVIRONMENTAL LLC UEIJMCFBVM7YNW7CAGE71WE3 Location: KNOXVILLE, TNSocio-economic status (SAM.gov): ANC | 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 | $140.5M ($140,541,485) |
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 | $138.9M ($138,866,345) | |
DBA MARTON TECHNOLOGIES UEILXHML7BUSVK4CAGE3ZYM5 Location: VIENNA, VASocio-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 | $138.7M ($138,708,930) |
NATIVE ENERGY & TECHNOLOGY INC UEIHKXEUQBJJRC4CAGE1L8Y9 Location: SAN ANTONIO, TXSocio-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 | $138.5M ($138,519,829) |
UEIKAHAY47HK3Z3CAGE481E1 Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDBTribal | 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 | $138.3M ($138,287,748) |
UEIDGCQQJQCN4X8CAGE8EUM5 Location: DUCKWATER, NVSocio-economic status (SAM.gov): SBSDB8(a)HUBZoneTribal | 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 | $137.5M ($137,485,475) |
DBA PT&C LWG FORENSIC CONSULTING SERVICES UEIDGJ7M32ZMKN3CAGE0B664 Location: CAPE CANAVERAL, FL | 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 | $137.1M ($137,118,645) |
COMPTECH COMPUTER TECHNOLOGIES, INC UEID5CCM1PF7WW5CAGE3HF12 Location: CENTERVILLE, OHSocio-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 | $136.4M ($136,384,607) |
UEIN11PKHJ1VTF5CAGE4PA70 Location: MILWAUKEE, WISocio-economic status (SAM.gov): SBSDBTribal | 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 | $136.1M ($136,135,518) |
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