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.

Learn more about NAICS size standards

Search with filters Small businesses only

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 3,621–3,640 of 15,627 contractors

T3W BUSINESS SOLUTIONS, INC.
UEIEAKGFFY6KZV3CAGE42HP2
Location: SAN DIEGO, CA
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 activeObligated, 36 mo: $106.6M ($106,590,516)
HAMHED LLC
UEIDVBLNG9UHP65CAGE4VZE5
Location: JEFFERSONVILLE, INSocio-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 activeObligated, 36 mo: $106.4M ($106,448,084)
UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
DBA OFFICE OF SPONSORED RESEARCH
UEID3LHU66KBLD5CAGE4B856
Location: CHAPEL HILL, NC
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 activeObligated, 36 mo: $106.1M ($106,144,026)
OCEAN ASSOCIATES INC
DBA OAI CONSULTING
UEID56MGN45L3Y3CAGE3K8W1
Location: ARLINGTON, VASocio-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 activeObligated, 36 mo: $105.7M ($105,731,212)
PANUM TELECOM, L.L.C.
DBA PANUM TELECOM LLC
UEIGMAUZS5J44M5CAGE35EU5
Location: VIENNA, 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 activeObligated, 36 mo: $103.5M ($103,461,432)
MIWOK CONSTRUCTION LLC
UEICLBUM3JUQNM9CAGE7C7R3
Location: LAS VEGAS, NVSocio-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 activeObligated, 36 mo: $102.4M ($102,362,987)
G.M. HILL ENGINEERING, INC.
DBA GM HILL ENGINEERING
UEIHMJRCAJ1NKV3CAGE51FR8
Location: JACKSONVILLE, FLSocio-economic status (SAM.gov): SBSDBWOSBEDWOSB
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 activeObligated, 36 mo: $101.5M ($101,505,747)
COHO CONSTRUCTION MANAGEMENT LLC
UEIFZ69K4JMMWA3CAGE92WL2
Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDB8(a)Tribal
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 activeObligated, 36 mo: $101.2M ($101,204,675)
AMENTUM ENVIRONMENT & ENERGY, INC.
UEIEPJXJJAXYF38CAGE0MB33
Location: AIKEN, SC
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 activeObligated, 36 mo: $101.1M ($101,131,872)
ENGENIUS CONSULTING GROUP INC
UEIEC4WHF33KS83CAGE1J8T5
Location: HUNTSVILLE, ALSocio-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 activeObligated, 36 mo: $100.8M ($100,834,509)
SOLUTION ONE INDUSTRIES, INC.
UEIN8ADPKV6L6U3CAGE3VPK1
Location: KILLEEN, TX
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 expiringObligated, 36 mo: $98.9M ($98,919,138)
THE TOLLIVER GROUP, INC
UEIF31JH157WH54CAGE38CH2
Location: HUNTSVILLE, ALSocio-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 activeObligated, 36 mo: $98.7M ($98,735,138)
INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC
UEIC6NLTEZPW6A3CAGE1PGK9
Location: Albuquerque, NMSocio-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 activeObligated, 36 mo: $98.5M ($98,528,001)
ENDYNA, INC.
DBA ENVIRO DYNAMIC GROUP
UEIGKWTAHYKMC62CAGE3UBW9
Location: MC LEAN, VASocio-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 activeObligated, 36 mo: $98.1M ($98,131,011)
IVA'AL SOLUTIONS LLC
UEID2ALNDLE6623CAGE7FCL6
Location: PHOENIX, MDSocio-economic status (SAM.gov): SBTribal
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 activeObligated, 36 mo: $97.1M ($97,062,173)
SIGNATURE SCIENCE LLC
DBA SIGNATURE SCIENCE, LLC
UEIGMK2EG5EDNL7CAGE1TE69
Location: AUSTIN, TX
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 activeObligated, 36 mo: $96.9M ($96,927,764)
PARSONS TECHNICAL SERVICES INC
UEIHJ8PBEJHM4P3CAGE02NH0
Location: PASADENA, CA
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 activeObligated, 36 mo: $96.6M ($96,646,855)
VINTUN LLC
UEINBDLTHMTNJB3CAGE7BU83
Location: STAFFORD, 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 activeObligated, 36 mo: $96.5M ($96,450,410)
ADVANCIA TECHNOLOGIES, LLC
UEIE1JKCKR18K69CAGE79UA9
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 activeObligated, 36 mo: $95.7M ($95,744,524)
PATRICIO ENTERPRISES, INC
UEIKJJFFMNPMY63CAGE33YK9
Location: STAFFORD, VASocio-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 activeObligated, 36 mo: $95.7M ($95,715,545)

Contractors listing NAICS 541620, page 182 of 782
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
T3W BUSINESS SOLUTIONS, INC. UEIEAKGFFY6KZV3CAGE42HP2 Location: SAN DIEGO, CA	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	$106.6M ($106,590,516)
HAMHED LLC UEIDVBLNG9UHP65CAGE4VZE5 Location: JEFFERSONVILLE, INSocio-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	$106.4M ($106,448,084)
UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL DBA OFFICE OF SPONSORED RESEARCH UEID3LHU66KBLD5CAGE4B856 Location: CHAPEL HILL, NC	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	$106.1M ($106,144,026)
OCEAN ASSOCIATES INC DBA OAI CONSULTING UEID56MGN45L3Y3CAGE3K8W1 Location: ARLINGTON, VASocio-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	$105.7M ($105,731,212)
PANUM TELECOM, L.L.C. DBA PANUM TELECOM LLC UEIGMAUZS5J44M5CAGE35EU5 Location: VIENNA, 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	$103.5M ($103,461,432)
MIWOK CONSTRUCTION LLC UEICLBUM3JUQNM9CAGE7C7R3 Location: LAS VEGAS, NVSocio-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	$102.4M ($102,362,987)
G.M. HILL ENGINEERING, INC. DBA GM HILL ENGINEERING UEIHMJRCAJ1NKV3CAGE51FR8 Location: JACKSONVILLE, FLSocio-economic status (SAM.gov): SBSDBWOSBEDWOSB	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	$101.5M ($101,505,747)
COHO CONSTRUCTION MANAGEMENT LLC UEIFZ69K4JMMWA3CAGE92WL2 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDB8(a)Tribal	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	$101.2M ($101,204,675)
AMENTUM ENVIRONMENT & ENERGY, INC. UEIEPJXJJAXYF38CAGE0MB33 Location: AIKEN, SC	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	$101.1M ($101,131,872)
ENGENIUS CONSULTING GROUP INC UEIEC4WHF33KS83CAGE1J8T5 Location: HUNTSVILLE, ALSocio-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	$100.8M ($100,834,509)
SOLUTION ONE INDUSTRIES, INC. UEIN8ADPKV6L6U3CAGE3VPK1 Location: KILLEEN, TX	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	$98.9M ($98,919,138)
THE TOLLIVER GROUP, INC UEIF31JH157WH54CAGE38CH2 Location: HUNTSVILLE, ALSocio-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	$98.7M ($98,735,138)
INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC UEIC6NLTEZPW6A3CAGE1PGK9 Location: Albuquerque, NMSocio-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	$98.5M ($98,528,001)
ENDYNA, INC. DBA ENVIRO DYNAMIC GROUP UEIGKWTAHYKMC62CAGE3UBW9 Location: MC LEAN, VASocio-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	$98.1M ($98,131,011)
IVA'AL SOLUTIONS LLC UEID2ALNDLE6623CAGE7FCL6 Location: PHOENIX, MDSocio-economic status (SAM.gov): SBTribal	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	$97.1M ($97,062,173)
SIGNATURE SCIENCE LLC DBA SIGNATURE SCIENCE, LLC UEIGMK2EG5EDNL7CAGE1TE69 Location: AUSTIN, TX	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	$96.9M ($96,927,764)
PARSONS TECHNICAL SERVICES INC UEIHJ8PBEJHM4P3CAGE02NH0 Location: PASADENA, CA	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	$96.6M ($96,646,855)
VINTUN LLC UEINBDLTHMTNJB3CAGE7BU83 Location: STAFFORD, 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	$96.5M ($96,450,410)
ADVANCIA TECHNOLOGIES, LLC UEIE1JKCKR18K69CAGE79UA9 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	$95.7M ($95,744,524)
PATRICIO ENTERPRISES, INC UEIKJJFFMNPMY63CAGE33YK9 Location: STAFFORD, VASocio-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	$95.7M ($95,715,545)

Codes these contractors list most often alongside 541620: natural teaming adjacencies.

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

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