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.

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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 3,581–3,600 of 15,627 contractors

PARLIAMENT LLC
UEIDMEAS1ZSTVY8CAGE6XL51
Location: BEACHWOOD, OHSocio-economic status (SAM.gov): SBSDB
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: $134.4M ($134,442,450)
ENVIRONET INC.
UEIEEWLLJUH4SC9CAGE1NQM6
Location: KAPOLEI, HISocio-economic status (SAM.gov): SBSDBHUBZoneVOSB
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: $134.3M ($134,292,999)
GOSHAWK, LLC
DBA GOSHAWK LLC
UEIHHWGG7KAW5Y9CAGE7G0P4
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)Tribal
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: $131.2M ($131,206,475)
AECOM SERVICES, LLC
DBA AECOM SERVICES, INC
UEIJEJCH29W1ML5CAGE1X8M0
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 activeObligated, 36 mo: $125.6M ($125,581,803)
IPSOS PUBLIC AFFAIRS, LLC
UEIG3HKA2SVBNK7CAGE1UPF6
Location: NORWALK, CT
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: $125.2M ($125,191,377)
INDTAI, INC.
DBA INDTAI INC
UEIDWJCL6ZNMBE8CAGE3BU11
Location: ORLANDO, FLSocio-economic status (SAM.gov): SBSDB8(a)WOSB
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: $124.7M ($124,725,463)
SOCIAL IMPACT INC
UEIN1L5X517R8J5CAGE3FA87
Location: LEESBURG, 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 activeObligated, 36 mo: $124.2M ($124,186,490)
HOOLAULIMA GOVERNMENT SOLUTIONS, LLC
UEIN18QTR8HAZL5CAGE778J3
Location: SAN ANTONIO, TXSocio-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: $122.6M ($122,600,402)
ASRC FEDERAL ADVANCED RESEARCH, LLC
UEIHQ6BEJMMEYJ3CAGE8EWY6
Location: BELTSVILLE, MDSocio-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 activeObligated, 36 mo: $121.7M ($121,674,895)
CHEROKEE NATION DEFENSE SOLUTIONS LLC
UEICVEMGYV2YJW1CAGE57ZD8
Location: TULSA, OKSocio-economic status (SAM.gov): SBSDB8(a)Tribal
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: $121.7M ($121,656,057)
RSI NUCLEAR, LLC
UEINB31NPVJHRZ5CAGE4F4W2
Location: ALBUQUERQUE, NMSocio-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 activeObligated, 36 mo: $121.5M ($121,510,541)
TRUESTONE, LLC
UEIF8Q6Q81LJW84CAGE3NBM3
Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribal
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: $120.9M ($120,850,179)
GOLDEN KEY GROUP, LLC
UEICJ7MKQHPL145CAGE1YRN9
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 activeObligated, 36 mo: $120.5M ($120,530,498)
TECHOP SOLUTIONS INTERNATIONAL, INC.
DBA TECHOP SOLUTIONS INTERNATIONAL INC
UEIL4D6NDBWN885CAGE49Q60
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: $118.4M ($118,379,566)
FEDITC, LLC
UEIC9HCJWLPZDQ3CAGE3H6B1
Location: ROCKVILLE, MDSocio-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: $116.7M ($116,666,048)
KATMAI TECHNICAL SERVICES, LLC
UEIGERMM3L4D261CAGE67K19
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 activeObligated, 36 mo: $116.6M ($116,639,999)
TACTICA SOLUTIONS LLC
UEIMMVTH79S6ZB5CAGE83ZZ1
Location: FAYETTEVILLE, TNSocio-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 activeObligated, 36 mo: $116.2M ($116,213,629)
FORGE GROUP, LLC
UEIK7W9V9X38N45CAGE7XGX7
Location: HERNDON, VASocio-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 activeObligated, 36 mo: $115.3M ($115,316,291)
A-TEK, INC.
UEIHCCFTD1R3UL3CAGE05PE2
Location: MC LEAN, VASocio-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 activeObligated, 36 mo: $114M ($113,994,907)
SEVENTH DIMENSION, LLC
UEIHUH6MX1KVMP3CAGE6WRQ6
Location: MOCKSVILLE, NCSocio-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: $113.9M ($113,929,515)

Contractors listing NAICS 541620, page 180 of 782
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
PARLIAMENT LLC UEIDMEAS1ZSTVY8CAGE6XL51 Location: BEACHWOOD, OHSocio-economic status (SAM.gov): SBSDB	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	$134.4M ($134,442,450)
ENVIRONET INC. UEIEEWLLJUH4SC9CAGE1NQM6 Location: KAPOLEI, HISocio-economic status (SAM.gov): SBSDBHUBZoneVOSB	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	$134.3M ($134,292,999)
GOSHAWK, LLC DBA GOSHAWK LLC UEIHHWGG7KAW5Y9CAGE7G0P4 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)Tribal	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	$131.2M ($131,206,475)
AECOM SERVICES, LLC DBA AECOM SERVICES, INC UEIJEJCH29W1ML5CAGE1X8M0 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 active	$125.6M ($125,581,803)
IPSOS PUBLIC AFFAIRS, LLC UEIG3HKA2SVBNK7CAGE1UPF6 Location: NORWALK, CT	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	$125.2M ($125,191,377)
INDTAI, INC. DBA INDTAI INC UEIDWJCL6ZNMBE8CAGE3BU11 Location: ORLANDO, FLSocio-economic status (SAM.gov): SBSDB8(a)WOSB	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	$124.7M ($124,725,463)
SOCIAL IMPACT INC UEIN1L5X517R8J5CAGE3FA87 Location: LEESBURG, 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	$124.2M ($124,186,490)
HOOLAULIMA GOVERNMENT SOLUTIONS, LLC UEIN18QTR8HAZL5CAGE778J3 Location: SAN ANTONIO, TXSocio-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	$122.6M ($122,600,402)
ASRC FEDERAL ADVANCED RESEARCH, LLC UEIHQ6BEJMMEYJ3CAGE8EWY6 Location: BELTSVILLE, MDSocio-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	$121.7M ($121,674,895)
CHEROKEE NATION DEFENSE SOLUTIONS LLC UEICVEMGYV2YJW1CAGE57ZD8 Location: TULSA, OKSocio-economic status (SAM.gov): SBSDB8(a)Tribal	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	$121.7M ($121,656,057)
RSI NUCLEAR, LLC UEINB31NPVJHRZ5CAGE4F4W2 Location: ALBUQUERQUE, NMSocio-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	$121.5M ($121,510,541)
TRUESTONE, LLC UEIF8Q6Q81LJW84CAGE3NBM3 Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribal	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	$120.9M ($120,850,179)
GOLDEN KEY GROUP, LLC UEICJ7MKQHPL145CAGE1YRN9 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	$120.5M ($120,530,498)
TECHOP SOLUTIONS INTERNATIONAL, INC. DBA TECHOP SOLUTIONS INTERNATIONAL INC UEIL4D6NDBWN885CAGE49Q60 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	$118.4M ($118,379,566)
FEDITC, LLC UEIC9HCJWLPZDQ3CAGE3H6B1 Location: ROCKVILLE, MDSocio-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	$116.7M ($116,666,048)
KATMAI TECHNICAL SERVICES, LLC UEIGERMM3L4D261CAGE67K19 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	$116.6M ($116,639,999)
TACTICA SOLUTIONS LLC UEIMMVTH79S6ZB5CAGE83ZZ1 Location: FAYETTEVILLE, TNSocio-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	$116.2M ($116,213,629)
FORGE GROUP, LLC UEIK7W9V9X38N45CAGE7XGX7 Location: HERNDON, VASocio-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	$115.3M ($115,316,291)
A-TEK, INC. UEIHCCFTD1R3UL3CAGE05PE2 Location: MC LEAN, VASocio-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	$114M ($113,994,907)
SEVENTH DIMENSION, LLC UEIHUH6MX1KVMP3CAGE6WRQ6 Location: MOCKSVILLE, NCSocio-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	$113.9M ($113,929,515)

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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