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 3,761–3,780 of 15,627 contractors

OM GROUP, INC
UEIJKWJLKJRP1J1CAGE57UD9
Location: PISCATAWAY, NJSocio-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: $63M ($62,994,033)
IRON SWORD ENTERPRISES, LLC
DBA IRON SWORD ENTERPRISES LL
UEIMUDPMKWH76B8CAGE5VSS8
Location: WALLKILL, NYSocio-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 activeObligated, 36 mo: $62.3M ($62,267,943)
PARAGON-JACOBS JOINT VENTURE, LLC
UEIK5NLQJ9DMFQ4CAGE7TEY0
Location: ANCHORAGE, AKSocio-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 activeObligated, 36 mo: $62.1M ($62,128,720)
TREWON TECHNOLOGIES LLC
UEIEPE8N2747L14CAGE6NLU0
Location: LEESBURG, VASocio-economic status (SAM.gov): SBSDBWOSB
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: $61.3M ($61,313,427)
YORKTOWN SYSTEMS GROUP INC
UEIL5LMQSN59YE5CAGE4VJW9
Location: HUNTSVILLE, ALSocio-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: $61.2M ($61,219,104)
GALVESTON COASTAL SERVICES A JOINT VENTURE
UEIKLZDULLLM455CAGE8B9T3
Location: HOUSTON, 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: $61.1M ($61,060,588)
EXPONENT INC
UEIF1NXQ68RNFM4CAGE1NG83
Location: MENLO PARK, 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 expiringObligated, 36 mo: $61M ($61,021,794)
ANALYTIC ACQUISITIONS LLC
UEICYTHXD2LMDB5CAGE7V4E0
Location: SILVER SPRING, MDSocio-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: $60.6M ($60,636,970)
AZURA CONSULTING LLC
UEIDYF6V8HC62E3CAGE794X8
Location: GARLAND, TXSocio-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: $60.6M ($60,557,588)
ENGINEERING/REMEDIATION RESOURCES GROUP, INC.
DBA ERRG
UEIM4WJHLJG6QB9CAGE1P9Q7
Location: MARTINEZ, 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 expiringObligated, 36 mo: $60.5M ($60,524,795)
DIGITAL CLOAK, LLC
UEILYBJV1HV7F35CAGE74ML3
Location: STAFFORD, 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: $60.3M ($60,329,634)
LINK TECHNOLOGIES INC
UEIG36RN4KDGX29CAGE1WGK0
Location: GERMANTOWN, MDSocio-economic status (SAM.gov): SBANC
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: $60M ($59,989,743)
VERSAR, INC.
UEIKTERFRZBVP66CAGE4E746
Location: WASHINGTON, DC
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: $60M ($59,984,344)
CCI FACILITY SUPPORT SERVICES, LLC
UEIC1AFAKFBCJJ4CAGE7T2G3
Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDB8(a)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 activeObligated, 36 mo: $60M ($59,954,352)
BLUESTONE ENVIRONMENTAL GROUP, INC.
UEIF6D3JQ8WN6G9CAGE6B9K8
Location: MALVERN, PA
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: $59.9M ($59,895,126)
PROPERTY & ENVIRONMENTAL MANAGEMENT INC
UEICKWLWBM19FC5CAGE6KC98
Location: COLUMBUS, OHSocio-economic status (SAM.gov): SBHUBZone
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: $59.5M ($59,505,399)
NAMAUU TECHNOLOGICAL AND INDUSTRIAL, LLC
UEIMRFZLZXYFHN6CAGE887C3
Location: SAN ANTONIO, TXSocio-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: $59.4M ($59,445,245)
OLD HARBOR SOLUTIONS LLC
UEIL2B7QQDWRGB7CAGE897N3
Location: ANCHORAGE, AKSocio-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: $59.4M ($59,371,623)
TERACORE INC.
UEIHALMJSCZ42W5CAGE3BPS3
Location: WOODSTOCK, GASocio-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: $59M ($58,989,581)
REGENTS OF THE UNIVERSITY OF MINNESOTA
UEIKABJZBBJ4B54CAGE0DH95
Location: MINNEAPOLIS, MN
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: $58.4M ($58,385,017)

Contractors listing NAICS 541620, page 189 of 782
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
OM GROUP, INC UEIJKWJLKJRP1J1CAGE57UD9 Location: PISCATAWAY, NJSocio-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	$63M ($62,994,033)
IRON SWORD ENTERPRISES, LLC DBA IRON SWORD ENTERPRISES LL UEIMUDPMKWH76B8CAGE5VSS8 Location: WALLKILL, NYSocio-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	$62.3M ($62,267,943)
PARAGON-JACOBS JOINT VENTURE, LLC UEIK5NLQJ9DMFQ4CAGE7TEY0 Location: ANCHORAGE, AKSocio-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	$62.1M ($62,128,720)
TREWON TECHNOLOGIES LLC UEIEPE8N2747L14CAGE6NLU0 Location: LEESBURG, VASocio-economic status (SAM.gov): SBSDBWOSB	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	$61.3M ($61,313,427)
YORKTOWN SYSTEMS GROUP INC UEIL5LMQSN59YE5CAGE4VJW9 Location: HUNTSVILLE, ALSocio-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	$61.2M ($61,219,104)
GALVESTON COASTAL SERVICES A JOINT VENTURE UEIKLZDULLLM455CAGE8B9T3 Location: HOUSTON, 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	$61.1M ($61,060,588)
EXPONENT INC UEIF1NXQ68RNFM4CAGE1NG83 Location: MENLO PARK, 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 expiring	$61M ($61,021,794)
ANALYTIC ACQUISITIONS LLC UEICYTHXD2LMDB5CAGE7V4E0 Location: SILVER SPRING, MDSocio-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	$60.6M ($60,636,970)
AZURA CONSULTING LLC UEIDYF6V8HC62E3CAGE794X8 Location: GARLAND, TXSocio-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	$60.6M ($60,557,588)
ENGINEERING/REMEDIATION RESOURCES GROUP, INC. DBA ERRG UEIM4WJHLJG6QB9CAGE1P9Q7 Location: MARTINEZ, 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 expiring	$60.5M ($60,524,795)
DIGITAL CLOAK, LLC UEILYBJV1HV7F35CAGE74ML3 Location: STAFFORD, 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	$60.3M ($60,329,634)
LINK TECHNOLOGIES INC UEIG36RN4KDGX29CAGE1WGK0 Location: GERMANTOWN, MDSocio-economic status (SAM.gov): SBANC	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	$60M ($59,989,743)
VERSAR, INC. UEIKTERFRZBVP66CAGE4E746 Location: WASHINGTON, DC	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	$60M ($59,984,344)
CCI FACILITY SUPPORT SERVICES, LLC UEIC1AFAKFBCJJ4CAGE7T2G3 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDB8(a)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	$60M ($59,954,352)
BLUESTONE ENVIRONMENTAL GROUP, INC. UEIF6D3JQ8WN6G9CAGE6B9K8 Location: MALVERN, PA	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	$59.9M ($59,895,126)
PROPERTY & ENVIRONMENTAL MANAGEMENT INC UEICKWLWBM19FC5CAGE6KC98 Location: COLUMBUS, OHSocio-economic status (SAM.gov): SBHUBZone	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	$59.5M ($59,505,399)
NAMAUU TECHNOLOGICAL AND INDUSTRIAL, LLC UEIMRFZLZXYFHN6CAGE887C3 Location: SAN ANTONIO, TXSocio-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	$59.4M ($59,445,245)
OLD HARBOR SOLUTIONS LLC UEIL2B7QQDWRGB7CAGE897N3 Location: ANCHORAGE, AKSocio-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	$59.4M ($59,371,623)
TERACORE INC. UEIHALMJSCZ42W5CAGE3BPS3 Location: WOODSTOCK, GASocio-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	$59M ($58,989,581)
REGENTS OF THE UNIVERSITY OF MINNESOTA UEIKABJZBBJ4B54CAGE0DH95 Location: MINNEAPOLIS, MN	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	$58.4M ($58,385,017)

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

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

Related industries