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 15,401–15,420 of 15,643 contractors

WESTON SOLUTIONS INC
UEIZ4XGALW7L9K6CAGE2M222
Location: WEST CHESTER, PASocio-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: None on file
WESTON SOLUTIONS, INC
UEIMGSQCNNJNLW9CAGE93Q35
Location: HELENA, MT
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: None on file
WESTON SOLUTIONS, INC.
UEIDV7HQCFJQS38CAGE1QM37
Location: SEATTLE, WA
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: None on file
WESTON SOLUTIONS, INC.
UEIGNMRHS6J8985CAGE3W9S9
Location: ANCHORAGE, AK
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: None on file
WESTON SOLUTIONS, INC.
UEIK53RELVCJ6J7CAGE3WXF7
Location: BATON ROUGE, LA
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: None on file
WESTON SOLUTIONS, INC.
UEIQZH6SR3QRA85CAGE0NSV8
Location: GAINESVILLE, GA
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: None on file
WESTON SOLUTIONS, INC.
UEISLLTF63L9W15CAGE3XBP9
Location: GLASTONBURY, 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: None on file
WESTON SOLUTIONS OF MICHIGAN, INC.
UEIJWK3ZVX6ZY49CAGE3XDX3
Location: OKEMOS, MI
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: None on file
WEST TEXAS CONSULTING AND SUPPORT SERVICES, LLC
DBA WTCSS
UEIV2JJFVULFU55CAGE9MAM7
Location: KEMAH, TXSocio-economic status (SAM.gov): SBVOSB
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: None on file
WEST TEXAS INSILICO, LLC
UEIZDLAJL3Y4EX4CAGE24Z26
Location: MIDLAND, TXSocio-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: None on file
WESTWOOD ADVISING INCORPORATED
UEIQT8HC6QPF7H1CAGE9KJ32
Location: ROCKFORD, MISocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
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: None on file
WESTWOOD PROFESSIONAL SERVICES, INC.
DBA WESTWOOD
UEIN7PJTLGQN581CAGE4J5N9
Location: PLANO, 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: None on file
WESWORKS LLC
UEIJ4PFYX13HD36CAGE691M6
Location: AIKEN, SCSocio-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: None on file
WETHERILL ENGINEERING INC
UEIHVMXASKK6J75CAGE433W0
Location: RALEIGH, NCSocio-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: None on file
WETLAND DYNAMICS, LLC
DBA WETLAND DYNAMICS
UEIYF2FC6PRQBN6CAGE6F0E6
Location: MONTE VISTA, COSocio-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: None on file
WET MEADOWS INSTITUTE LLC
UEIH8M7F2BC16Q1CAGE205U2
Location: TEMPLETON, CASocio-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: None on file
WETSTONE EXPLORATION INC.
UEIE3C4U4TNFVD8CAGE221V7
Location: ALBERTSON, NYSocio-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: None on file
W.F. BAIRD & ASSOCIATES LTD.
UEINZGJXTWQ4WZ6CAGE0L4Y9
Location: MADISON, WI
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: None on file
WGI GLOBAL INC
UEIMX2RRN44C345CAGE4MNM3
Location: CHANTILLY, 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: None on file
WGI INC
UEIF3BQQ2A3VYM1CAGE941H3
Location: FLEMING ISLAND, 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: None on file

Contractors listing NAICS 541620, page 771 of 783
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
WESTON SOLUTIONS INC UEIZ4XGALW7L9K6CAGE2M222 Location: WEST CHESTER, PASocio-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	None on file
WESTON SOLUTIONS, INC UEIMGSQCNNJNLW9CAGE93Q35 Location: HELENA, MT	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	None on file
WESTON SOLUTIONS, INC. UEIDV7HQCFJQS38CAGE1QM37 Location: SEATTLE, WA	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	None on file
WESTON SOLUTIONS, INC. UEIGNMRHS6J8985CAGE3W9S9 Location: ANCHORAGE, AK	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	None on file
WESTON SOLUTIONS, INC. UEIK53RELVCJ6J7CAGE3WXF7 Location: BATON ROUGE, LA	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	None on file
WESTON SOLUTIONS, INC. UEIQZH6SR3QRA85CAGE0NSV8 Location: GAINESVILLE, GA	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	None on file
WESTON SOLUTIONS, INC. UEISLLTF63L9W15CAGE3XBP9 Location: GLASTONBURY, 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	None on file
WESTON SOLUTIONS OF MICHIGAN, INC. UEIJWK3ZVX6ZY49CAGE3XDX3 Location: OKEMOS, MI	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	None on file
WEST TEXAS CONSULTING AND SUPPORT SERVICES, LLC DBA WTCSS UEIV2JJFVULFU55CAGE9MAM7 Location: KEMAH, TXSocio-economic status (SAM.gov): SBVOSB	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	None on file
WEST TEXAS INSILICO, LLC UEIZDLAJL3Y4EX4CAGE24Z26 Location: MIDLAND, TXSocio-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	None on file
WESTWOOD ADVISING INCORPORATED UEIQT8HC6QPF7H1CAGE9KJ32 Location: ROCKFORD, MISocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	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	None on file
WESTWOOD PROFESSIONAL SERVICES, INC. DBA WESTWOOD UEIN7PJTLGQN581CAGE4J5N9 Location: PLANO, 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	None on file
WESWORKS LLC UEIJ4PFYX13HD36CAGE691M6 Location: AIKEN, SCSocio-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	None on file
WETHERILL ENGINEERING INC UEIHVMXASKK6J75CAGE433W0 Location: RALEIGH, NCSocio-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	None on file
WETLAND DYNAMICS, LLC DBA WETLAND DYNAMICS UEIYF2FC6PRQBN6CAGE6F0E6 Location: MONTE VISTA, COSocio-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	None on file
WET MEADOWS INSTITUTE LLC UEIH8M7F2BC16Q1CAGE205U2 Location: TEMPLETON, CASocio-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	None on file
WETSTONE EXPLORATION INC. UEIE3C4U4TNFVD8CAGE221V7 Location: ALBERTSON, NYSocio-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	None on file
W.F. BAIRD & ASSOCIATES LTD. UEINZGJXTWQ4WZ6CAGE0L4Y9 Location: MADISON, WI	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	None on file
WGI GLOBAL INC UEIMX2RRN44C345CAGE4MNM3 Location: CHANTILLY, 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	None on file
WGI INC UEIF3BQQ2A3VYM1CAGE941H3 Location: FLEMING ISLAND, 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	None on file

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

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

Related industries