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 41–60 of 15,643 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: $24.8M ($24,785,208) RESEARCH PLANNING, INC.
UEICKFZMK7X16M1CAGE0YEP1Location: COLUMBIA, SCSocio-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: $24.6M ($24,577,613)- 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: $24.1M ($24,139,671) S.S. PAPADOPULOS & ASSOCIATES, INC.
UEIDFADX5HTRL54CAGE036E3Location: ROCKVILLE, MDSocio-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: $24M ($24,046,372)- 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: $23.9M ($23,918,992) - 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: $23.3M ($23,338,759) FOUR PEAKS ENVIRONMENTAL SCIENCE & DATA SOLUTIONS LLC
UEICUGDHA5YS6B8CAGE7YWZ0Location: WENATCHEE, WAPrimary 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: $23.3M ($23,301,176)PB&A/CSS JV, LLC.
DBA PB & A/CSS JV LLC
UEIDQ9XJH151PM3CAGE892F3Location: AUSTIN, TXSocio-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: $23M ($22,982,975)S.P. CRAMER & ASSOCIATES, INC.
DBA CRAMER FISH SCIENCES
UEILDXFGGCL9U79CAGE3NCD1Location: PORTLAND, ORSocio-economic status (SAM.gov): SBPrimary 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: $22.8M ($22,842,730)KIAN INTERNATIONAL INC
UEID1H2YX2LX224CAGE6T0N0Location: CLEARWATER, FLSocio-economic status (SAM.gov): SBSDB8(a)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: $21.7M ($21,661,495)THE NDN COMPANIES
UEIET2PKEQ4BBF1CAGE7L7X0Location: JACKSONVILLE, FLSocio-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: $21.1M ($21,120,844)NEPTUNE AND COMPANY, INCORPORATED
DBA NEPTUNE AND COMPANY, INC.
UEIGGU4CPEZ7ZK3CAGE027D7Location: LAKEWOOD, COSocio-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: $21M ($21,023,957)- 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: $20.9M ($20,926,248) AUXILIO MANAGEMENT SERVICES
UEIDJ6RJJYDQH65CAGE65VG2Location: DENVER, COSocio-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: $20.6M ($20,637,730)HARRIS MILLER MILLER & HANSON INC.
DBA HARRIS MILLER MILLER & HANSON
UEIM1N2YBEFQF54CAGE0DR74Location: BURLINGTON, MASocio-economic status (SAM.gov): SBWOSBPrimary 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: $19.9M ($19,853,387)RSI SERVICES LLC
UEID4AQNDM27G19CAGE80D80Location: OAK RIDGE, TNSocio-economic status (SAM.gov): SDB8(a)ANCPrimary 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: $19.5M ($19,536,234)SERES-ARCADIS 8(A) JV2 LLC
UEIGLL1G5KB18S8CAGE8A9V9Location: CHARLESTON, SCSocio-economic status (SAM.gov): SBSDBPrimary 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: $19M ($18,957,968)FIRST ENVIRONMENT INC
UEIFWE5JGSJCBD9CAGE1JQG4Location: BUTLER, NJSocio-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: $18.8M ($18,830,829)G & RK CONSULTING ASSOCIATES LLC
UEIGDVCAY1FZKL6CAGE50G26Location: ENGLEWOOD, COSocio-economic status (SAM.gov): SBSDBPrimary 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: $18M ($17,979,563)ALLIANT CORPORATION
UEILPBSBVFHF9N5CAGE1V5M5Location: KNOXVILLE, TNSocio-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: $17.6M ($17,649,088)
| Company | This code | Compliance | SAM.gov | Obligated, 36 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 active | $24.8M ($24,785,208) | |
UEICKFZMK7X16M1CAGE0YEP1 Location: COLUMBIA, SCSocio-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 | $24.6M ($24,577,613) |
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 | $24.1M ($24,139,671) | |
S.S. PAPADOPULOS & ASSOCIATES, INC. UEIDFADX5HTRL54CAGE036E3 Location: ROCKVILLE, MDSocio-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 | $24M ($24,046,372) |
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 | $23.9M ($23,918,992) | |
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 | $23.3M ($23,338,759) | |
FOUR PEAKS ENVIRONMENTAL SCIENCE & DATA SOLUTIONS LLC UEICUGDHA5YS6B8CAGE7YWZ0 Location: WENATCHEE, WA | 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 | $23.3M ($23,301,176) |
DBA PB & A/CSS JV LLC UEIDQ9XJH151PM3CAGE892F3 Location: AUSTIN, 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 | $23M ($22,982,975) |
S.P. CRAMER & ASSOCIATES, INC. DBA CRAMER FISH SCIENCES UEILDXFGGCL9U79CAGE3NCD1 Location: PORTLAND, ORSocio-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 | $22.8M ($22,842,730) |
UEID1H2YX2LX224CAGE6T0N0 Location: CLEARWATER, FLSocio-economic status (SAM.gov): SBSDB8(a) | 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 | $21.7M ($21,661,495) |
UEIET2PKEQ4BBF1CAGE7L7X0 Location: JACKSONVILLE, FLSocio-economic status (SAM.gov): SBSDBWOSB | 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 | $21.1M ($21,120,844) |
NEPTUNE AND COMPANY, INCORPORATED DBA NEPTUNE AND COMPANY, INC. UEIGGU4CPEZ7ZK3CAGE027D7 Location: LAKEWOOD, 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 | $21M ($21,023,957) |
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 | $20.9M ($20,926,248) | |
UEIDJ6RJJYDQH65CAGE65VG2 Location: DENVER, COSocio-economic status (SAM.gov): SBSDBWOSB | 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 | $20.6M ($20,637,730) |
HARRIS MILLER MILLER & HANSON INC. DBA HARRIS MILLER MILLER & HANSON UEIM1N2YBEFQF54CAGE0DR74 Location: BURLINGTON, MASocio-economic status (SAM.gov): SBWOSB | 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 | $19.9M ($19,853,387) |
UEID4AQNDM27G19CAGE80D80 Location: OAK RIDGE, TNSocio-economic status (SAM.gov): SDB8(a)ANC | 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 | $19.5M ($19,536,234) |
UEIGLL1G5KB18S8CAGE8A9V9 Location: CHARLESTON, SCSocio-economic status (SAM.gov): SBSDB | 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 | $19M ($18,957,968) |
UEIFWE5JGSJCBD9CAGE1JQG4 Location: BUTLER, NJSocio-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 | $18.8M ($18,830,829) |
G & RK CONSULTING ASSOCIATES LLC UEIGDVCAY1FZKL6CAGE50G26 Location: ENGLEWOOD, COSocio-economic status (SAM.gov): SBSDB | 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 | $18M ($17,979,563) |
UEILPBSBVFHF9N5CAGE1V5M5 Location: KNOXVILLE, TNSocio-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 | $17.6M ($17,649,088) |
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