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 3,541–3,560 of 15,627 contractors

ARES TECHNICAL SERVICES CORPORATION
UEIDD8MAGJ9Z3M1CAGE6G1C8
Location: MCLEAN, 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: $168.1M ($168,121,426)
ACUITY INTERNATIONAL, LLC
UEIL41JMCZK3GW6CAGE87VD5
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: $166.7M ($166,711,087)
SPECTRUM SERVICES GROUP INC
UEIF3FCJLTLEEW4CAGE4QDG3
Location: SACRAMENTO, CASocio-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: $166.7M ($166,667,056)
BARBARICUM LLC
UEIGR2RF6CLZJJ9CAGE55EW9
Location: WASHINGTON, DCSocio-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: $166.1M ($166,053,910)
ATKINSREALIS USA INC
DBA ATKINS NORTH AMERICA, INC.
UEIM9WDC4KT38X4CAGE1MEC1
Location: TAMPA, FL
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: $164.7M ($164,670,481)
TIDEWATER, INC.
DBA TIDEWATER INC
UEIJCF9ED1AD3N8CAGE1HMG8
Location: ELKRIDGE, 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: $164.2M ($164,244,837)
GREEN EXPERT TECHNOLOGY INC
UEIDKXBSPCM5KT8CAGE6J8P0
Location: HADDONFIELD, NJ
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: $163.6M ($163,622,305)
PCI GOVERNMENT SERVICES LLC
UEIENWEMNJABJB3CAGE8E3Q3
Location: RESTON, VASocio-economic status (SAM.gov): SDB8(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: $163.1M ($163,080,748)
COPPER RIVER INFRASTRUCTURE SERVICES LLC
UEIKTS3RUS16MM8CAGE7EXS0
Location: ANCHORAGE, AKSocio-economic status (SAM.gov): 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: $162.9M ($162,930,153)
SENECA FEDERAL SOLUTIONS, LLC
UEICMF6MLB57BL4CAGE9BET0
Location: CHANTILLY, VASocio-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: $162.5M ($162,505,726)
ADDON SERVICES LLC
UEIC1J1B6AJTQK4CAGE6VC96
Location: WARREN, MISocio-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: $162.2M ($162,245,172)
THE PROSPECTIVE GROUP, LLC
UEIJ2M1V292H8H3CAGE5XST6
Location: FALLS CHURCH, VASocio-economic status (SAM.gov): SBTribal
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: $162.2M ($162,179,120)
NAVA PBC
UEIE9T7F9N2ERR4CAGE7M2L6
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: $160.8M ($160,838,984)
THE KACE COMPANY, LLC.
UEIECK4MLJ3WDE6CAGE8T0A5
Location: ASHBURN, 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: $160.6M ($160,580,218)
INTEGRATED BUSINESS & TECHNICAL CONSULTANTS, INC.
DBA INTERNATIONAL BUSINESS & TECHNICAL CONSULTANTS, INC.
UEIM69LTP4RZZN9CAGE1UFC6
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: $159.9M ($159,876,091)
DYNAMIC SYSTEMS TECHNOLOGY, INC.
DBA DYNAMIC SYSTEMS TECHNOLOGY INC
UEIL9A4B33LXR15CAGE1RPL7
Location: FAIRFAX, 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 expiringObligated, 36 mo: $159.3M ($159,316,495)
AHTNA INFRASTRUCTURE & TECHNOLOGIES LLC
UEIFEA4ZTEGYLM5CAGE8C0A2
Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SDB8(a)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: $157.1M ($157,072,412)
CSSI, LLC
UEIMU5BJR4UM2V3CAGE0YUD7
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: $156.7M ($156,673,571)
ENVIRONMENTAL INCENTIVES, INC.
UEIECD6DSXS5NH5CAGE5DCQ8
Location: ENCINITAS, 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: $156.6M ($156,561,958)
WINROCK INTERNATIONAL INSTITUTE FOR AGRICULTURAL DEVELOPMENT
UEIKZ2UGRDKFNJ6CAGE3K3G8
Location: LITTLE ROCK, ARSocio-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: $155.7M ($155,651,178)

Contractors listing NAICS 541620, page 178 of 782
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
ARES TECHNICAL SERVICES CORPORATION UEIDD8MAGJ9Z3M1CAGE6G1C8 Location: MCLEAN, 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	$168.1M ($168,121,426)
ACUITY INTERNATIONAL, LLC UEIL41JMCZK3GW6CAGE87VD5 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	$166.7M ($166,711,087)
SPECTRUM SERVICES GROUP INC UEIF3FCJLTLEEW4CAGE4QDG3 Location: SACRAMENTO, CASocio-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	$166.7M ($166,667,056)
BARBARICUM LLC UEIGR2RF6CLZJJ9CAGE55EW9 Location: WASHINGTON, DCSocio-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	$166.1M ($166,053,910)
ATKINSREALIS USA INC DBA ATKINS NORTH AMERICA, INC. UEIM9WDC4KT38X4CAGE1MEC1 Location: TAMPA, FL	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	$164.7M ($164,670,481)
TIDEWATER, INC. DBA TIDEWATER INC UEIJCF9ED1AD3N8CAGE1HMG8 Location: ELKRIDGE, 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	$164.2M ($164,244,837)
GREEN EXPERT TECHNOLOGY INC UEIDKXBSPCM5KT8CAGE6J8P0 Location: HADDONFIELD, NJ	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	$163.6M ($163,622,305)
PCI GOVERNMENT SERVICES LLC UEIENWEMNJABJB3CAGE8E3Q3 Location: RESTON, VASocio-economic status (SAM.gov): SDB8(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	$163.1M ($163,080,748)
COPPER RIVER INFRASTRUCTURE SERVICES LLC UEIKTS3RUS16MM8CAGE7EXS0 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): 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	$162.9M ($162,930,153)
SENECA FEDERAL SOLUTIONS, LLC UEICMF6MLB57BL4CAGE9BET0 Location: CHANTILLY, VASocio-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	$162.5M ($162,505,726)
ADDON SERVICES LLC UEIC1J1B6AJTQK4CAGE6VC96 Location: WARREN, MISocio-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	$162.2M ($162,245,172)
THE PROSPECTIVE GROUP, LLC UEIJ2M1V292H8H3CAGE5XST6 Location: FALLS CHURCH, VASocio-economic status (SAM.gov): SBTribal	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	$162.2M ($162,179,120)
NAVA PBC UEIE9T7F9N2ERR4CAGE7M2L6 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	$160.8M ($160,838,984)
THE KACE COMPANY, LLC. UEIECK4MLJ3WDE6CAGE8T0A5 Location: ASHBURN, 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	$160.6M ($160,580,218)
INTEGRATED BUSINESS & TECHNICAL CONSULTANTS, INC. DBA INTERNATIONAL BUSINESS & TECHNICAL CONSULTANTS, INC. UEIM69LTP4RZZN9CAGE1UFC6 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	$159.9M ($159,876,091)
DYNAMIC SYSTEMS TECHNOLOGY, INC. DBA DYNAMIC SYSTEMS TECHNOLOGY INC UEIL9A4B33LXR15CAGE1RPL7 Location: FAIRFAX, 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 expiring	$159.3M ($159,316,495)
AHTNA INFRASTRUCTURE & TECHNOLOGIES LLC UEIFEA4ZTEGYLM5CAGE8C0A2 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SDB8(a)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	$157.1M ($157,072,412)
CSSI, LLC UEIMU5BJR4UM2V3CAGE0YUD7 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	$156.7M ($156,673,571)
ENVIRONMENTAL INCENTIVES, INC. UEIECD6DSXS5NH5CAGE5DCQ8 Location: ENCINITAS, 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	$156.6M ($156,561,958)
WINROCK INTERNATIONAL INSTITUTE FOR AGRICULTURAL DEVELOPMENT UEIKZ2UGRDKFNJ6CAGE3K3G8 Location: LITTLE ROCK, ARSocio-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	$155.7M ($155,651,178)

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

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

Related industries