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.

Learn more about NAICS size standards

Search with filters Small businesses only

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 21–40 of 15,643 contractors

TEHAMA ECS LLC
UEID517NDLLS5Q8CAGE83G86
Location: KANSAS CITY, MOSocio-economic status (SAM.gov): SBSDBTribal
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 activeObligated, 36 mo: $55.3M ($55,252,296)
MABBETT & ASSOCIATES, INC.
UEIJACMATCH87S5CAGE361J7
Location: STONEHAM, MASocio-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 activeObligated, 36 mo: $50.9M ($50,880,046)
SOLV LLC
UEIF3UJJU6BFJ69CAGE03XC4
Location: MC LEAN, VASocio-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 activeObligated, 36 mo: $50.7M ($50,722,683)
AHTNA-ARCADIS 8(A) JV, LLC
UEIKEP5MNMM9YY5CAGE9H9R6
Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDB8(a)ANC
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 activeObligated, 36 mo: $48.7M ($48,703,265)
CDM FEDERAL PROGRAMS CORPORATION
UEIKKCNQ59FJTG7CAGE1SZY4
Location: JACKSONVILLE, FL
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 activeObligated, 36 mo: $48.2M ($48,190,801)
SKEO SOLUTIONS, INC
UEIJ17NK57Q51B3CAGE3ET64
Location: CHARLOTTESVILLE, VASocio-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 activeObligated, 36 mo: $47.8M ($47,800,040)
TETRA TECH, INC.
DBA TETRA TECH EM INC
UEIHHDHBZL5PLM5CAGE1Y4W3
Location: KANSAS CITY, 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 activeObligated, 36 mo: $46.3M ($46,331,033)
ENVIRONMENTAL RESEARCH GROUP, L.L.C.
UEIGB15HGP1LW68CAGE1P0W9
Location: BALTIMORE, MDSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSB
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 activeObligated, 36 mo: $42.4M ($42,408,221)
GREAT LAKES ENVIRONMENTAL CENTER, INC
UEIFKCKEGWMK8K7CAGE0WGZ6
Location: TRAVERSE CITY, MISocio-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 activeObligated, 36 mo: $40.2M ($40,164,587)
THE SOLUTION FOUNDRY, LLC
DBA THE SOLUTION FOUNDRY LLC
UEIHRM5JKNM1QX3CAGE3DV12
Location: WOODSTOCK, GASocio-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 activeObligated, 36 mo: $39.3M ($39,330,541)
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INC
UEIHNDBN7BS9UE3CAGE6SRM5
Location: RICHLAND, WASocio-economic status (SAM.gov): SBSDBWOSBEDWOSB
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 activeObligated, 36 mo: $37.1M ($37,098,162)
HDR AND TEHAMA JOINT VENTURE
UEIL28MDA5NVJY4CAGE8CAY6
Location: KANSAS CITY, MOSocio-economic status (SAM.gov): SBTribal
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 activeObligated, 36 mo: $32.1M ($32,105,984)
STATISTICAL RESEARCH INC
UEIH2M4VVBULAT6CAGE05SQ1
Location: TUCSON, AZSocio-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 activeObligated, 36 mo: $30.1M ($30,133,497)
RPI-CSS, LLC
UEICV7ENBKG4VL3CAGE9DQ74
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 activeObligated, 36 mo: $30M ($30,014,052)
GSINA-GILBANE II JV LLC
UEIC5QEYGGU5VM7CAGE82AE8
Location: FLEMINGTON, NJSocio-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 activeObligated, 36 mo: $28.8M ($28,780,816)
GSI ENVIRONMENTAL INC.
UEIJ8M1UGKAFL69CAGE0X4P1
Location: HOUSTON, TX
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 activeObligated, 36 mo: $27M ($27,035,669)
STANTEC GS - AECOM ATLANTIC JOINT VENTURE
UEICRPVFVK99GQ5CAGE71WH6
Location: CHARLOTTESVILLE, VA
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 activeObligated, 36 mo: $24.8M ($24,785,208)
RESEARCH PLANNING, INC.
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 activeObligated, 36 mo: $24.6M ($24,577,613)
TIERRA RIGHT OF WAY SERVICES LTD
UEIHXM9CGRXH958CAGE1ZK08
Location: TUCSON, AZ
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 activeObligated, 36 mo: $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 activeObligated, 36 mo: $24M ($24,046,372)

Contractors listing NAICS 541620, page 2 of 783
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
TEHAMA ECS LLC UEID517NDLLS5Q8CAGE83G86 Location: KANSAS CITY, MOSocio-economic status (SAM.gov): SBSDBTribal	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	$55.3M ($55,252,296)
MABBETT & ASSOCIATES, INC. UEIJACMATCH87S5CAGE361J7 Location: STONEHAM, MASocio-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	$50.9M ($50,880,046)
SOLV LLC UEIF3UJJU6BFJ69CAGE03XC4 Location: MC LEAN, VASocio-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	$50.7M ($50,722,683)
AHTNA-ARCADIS 8(A) JV, LLC UEIKEP5MNMM9YY5CAGE9H9R6 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDB8(a)ANC	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	$48.7M ($48,703,265)
CDM FEDERAL PROGRAMS CORPORATION UEIKKCNQ59FJTG7CAGE1SZY4 Location: JACKSONVILLE, FL	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	$48.2M ($48,190,801)
SKEO SOLUTIONS, INC UEIJ17NK57Q51B3CAGE3ET64 Location: CHARLOTTESVILLE, VASocio-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	$47.8M ($47,800,040)
TETRA TECH, INC. DBA TETRA TECH EM INC UEIHHDHBZL5PLM5CAGE1Y4W3 Location: KANSAS CITY, 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	$46.3M ($46,331,033)
ENVIRONMENTAL RESEARCH GROUP, L.L.C. UEIGB15HGP1LW68CAGE1P0W9 Location: BALTIMORE, MDSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSB	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	$42.4M ($42,408,221)
GREAT LAKES ENVIRONMENTAL CENTER, INC UEIFKCKEGWMK8K7CAGE0WGZ6 Location: TRAVERSE CITY, MISocio-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	$40.2M ($40,164,587)
THE SOLUTION FOUNDRY, LLC DBA THE SOLUTION FOUNDRY LLC UEIHRM5JKNM1QX3CAGE3DV12 Location: WOODSTOCK, GASocio-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	$39.3M ($39,330,541)
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INC UEIHNDBN7BS9UE3CAGE6SRM5 Location: RICHLAND, WASocio-economic status (SAM.gov): SBSDBWOSBEDWOSB	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	$37.1M ($37,098,162)
HDR AND TEHAMA JOINT VENTURE UEIL28MDA5NVJY4CAGE8CAY6 Location: KANSAS CITY, MOSocio-economic status (SAM.gov): SBTribal	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	$32.1M ($32,105,984)
STATISTICAL RESEARCH INC UEIH2M4VVBULAT6CAGE05SQ1 Location: TUCSON, AZSocio-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	$30.1M ($30,133,497)
RPI-CSS, LLC UEICV7ENBKG4VL3CAGE9DQ74 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	$30M ($30,014,052)
GSINA-GILBANE II JV LLC UEIC5QEYGGU5VM7CAGE82AE8 Location: FLEMINGTON, NJSocio-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	$28.8M ($28,780,816)
GSI ENVIRONMENTAL INC. UEIJ8M1UGKAFL69CAGE0X4P1 Location: HOUSTON, TX	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	$27M ($27,035,669)
STANTEC GS - AECOM ATLANTIC JOINT VENTURE UEICRPVFVK99GQ5CAGE71WH6 Location: CHARLOTTESVILLE, VA	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)
RESEARCH PLANNING, INC. 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)
TIERRA RIGHT OF WAY SERVICES LTD UEIHXM9CGRXH958CAGE1ZK08 Location: TUCSON, AZ	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)

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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