NAICS 541620 · Professional, Scientific, and Technical Services

Environmental Consulting Services

15,627 active contractors list NAICS 541620 (Environmental Consulting Services) in SAM.gov; 9,869 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: 9,869
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 5,401–5,420 of 15,627 contractors

MCKNEW CHIPPING, INC.
UEIK9FBFLATAET3CAGE5APC2
Location: BRANDYWINE, MDSocio-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: $145.2K ($145,200)
THE ASSOCIATION OF STATE FLOODPLAIN MANAGERS INC
UEIHKPGCHM3E6W9CAGE1PBB4
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 expiringObligated, 36 mo: $145K ($145,000)
GUNNY MAC'S CONSULTING SERVICE, LLC
UEIDMDHKKRLZ4V8CAGE6MPE7
Location: BALLWIN, MOSocio-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: $145K ($144,999)
ASA ENVIRONMENTAL PRODUCTS INC
UEINGMSB6M2QKA4CAGE08JT4
Location: STONINGTON, CTSocio-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: $144K ($143,995)
PITTSBURG TANK & TOWER COMPANY, INCORPORATED
DBA PITTSBURG TANK & TOWER CO INCORPORATED
UEIND91ECGHPEA6CAGE0M025
Location: HENDERSON, KYSocio-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: $143.3K ($143,255)
HEMLOCK CONSULTING, LLC
UEIM5TQMZDXBMK1CAGE9PLS4
Location: LEADVILLE, CO
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: $140.2K ($140,225)
OCJ ENTERPRISES INC
DBA THE ISO 9001 GROUP
UEIJ4KLWQDNMD26CAGE6QTL0
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 expiringObligated, 36 mo: $138.5K ($138,468)
TALI SYSTEMS, LLC
UEIEKRKLKN9L6U5CAGE8DL98
Location: RICHARDSON, 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: $137.9K ($137,904)
WEST WATER RESEARCH LLC
DBA WESTWATER RESEARCH
UEIHBM3AJASWEN9CAGE30DS8
Location: BOISE, IDSocio-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: $137.6K ($137,560)
ADVANCED DIVING SERVICES INC
UEIEBYUSDV2WNJ4CAGE1XNH9
Location: SAINT GEORGE, UT
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: $137.3K ($137,344)
ATKINSREALIS NUCLEAR SOLUTIONS USA INC.
UEIN4UDS3YT5YU8CAGE3T0B8
Location: OAK RIDGE, TN
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: $136.3K ($136,303)
ALLSTATE SEPTIC SYSTEMS LLP
UEIFM58LNP7MBX5CAGE3M1N0
Location: BANGOR, PASocio-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: $135.9K ($135,859)
APEX WATER AND PROCESS INC
UEIDPEXJRJVW8N6CAGE9RXY1
Location: SAINT MICHAEL, 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: $135.2K ($135,204)
CAPITOL FLEXI-PAVE, LLC
DBA CAPITOL SOLUTIONS GROUP
UEIDWK6H4HVA2F8CAGE6C3S8
Location: HAMILTON, 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: $131.5K ($131,452)
ARCBRIDGE CONSULTING & TRAINING INCORPORATED
UEIHR6EBL7NH695CAGE1DXQ3
Location: STERLING, VASocio-economic status (SAM.gov): SBSDBWOSB
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: $130.9K ($130,948)
NATHAN RONALD VAUGHAN
DBA VAUGHAN ANALYTICS
UEIJFYUE12FUBL5CAGE8BQZ8
Location: MIAMI, FLSocio-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: $129.8K ($129,838)
OIL MANAGEMENT SERVICES, CORP.
DBA OIL MANAGEMENT SERVICES CORP
UEIGXT6SJJ12N96CAGE6C9J7
Location: HANSON, MASocio-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: $129.2K ($129,200)
ENVIROSERVE INC.
UEIL4N8T9HBTBY8CAGE1NX96
Location: SANDY, UT
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: $129K ($128,969)
DAVENPORT-RHEA JV, LLC
UEIMNPBMZAAUCA7CAGE7ZUS6
Location: WINSTON SALEM, NCSocio-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: $128.9K ($128,896)
DTJ MANAGEMENT LLC
UEIMTXLP7EKB663CAGE9GUD7
Location: RENO, NVSocio-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: $128.7K ($128,687)

Contractors listing NAICS 541620, page 271 of 782
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
MCKNEW CHIPPING, INC. UEIK9FBFLATAET3CAGE5APC2 Location: BRANDYWINE, MDSocio-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	$145.2K ($145,200)
THE ASSOCIATION OF STATE FLOODPLAIN MANAGERS INC UEIHKPGCHM3E6W9CAGE1PBB4 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 expiring	$145K ($145,000)
GUNNY MAC'S CONSULTING SERVICE, LLC UEIDMDHKKRLZ4V8CAGE6MPE7 Location: BALLWIN, MOSocio-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	$145K ($144,999)
ASA ENVIRONMENTAL PRODUCTS INC UEINGMSB6M2QKA4CAGE08JT4 Location: STONINGTON, CTSocio-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	$144K ($143,995)
PITTSBURG TANK & TOWER COMPANY, INCORPORATED DBA PITTSBURG TANK & TOWER CO INCORPORATED UEIND91ECGHPEA6CAGE0M025 Location: HENDERSON, KYSocio-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	$143.3K ($143,255)
HEMLOCK CONSULTING, LLC UEIM5TQMZDXBMK1CAGE9PLS4 Location: LEADVILLE, CO	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	$140.2K ($140,225)
OCJ ENTERPRISES INC DBA THE ISO 9001 GROUP UEIJ4KLWQDNMD26CAGE6QTL0 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 expiring	$138.5K ($138,468)
TALI SYSTEMS, LLC UEIEKRKLKN9L6U5CAGE8DL98 Location: RICHARDSON, 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	$137.9K ($137,904)
WEST WATER RESEARCH LLC DBA WESTWATER RESEARCH UEIHBM3AJASWEN9CAGE30DS8 Location: BOISE, IDSocio-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	$137.6K ($137,560)
ADVANCED DIVING SERVICES INC UEIEBYUSDV2WNJ4CAGE1XNH9 Location: SAINT GEORGE, UT	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	$137.3K ($137,344)
ATKINSREALIS NUCLEAR SOLUTIONS USA INC. UEIN4UDS3YT5YU8CAGE3T0B8 Location: OAK RIDGE, TN	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	$136.3K ($136,303)
ALLSTATE SEPTIC SYSTEMS LLP UEIFM58LNP7MBX5CAGE3M1N0 Location: BANGOR, PASocio-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	$135.9K ($135,859)
APEX WATER AND PROCESS INC UEIDPEXJRJVW8N6CAGE9RXY1 Location: SAINT MICHAEL, 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	$135.2K ($135,204)
CAPITOL FLEXI-PAVE, LLC DBA CAPITOL SOLUTIONS GROUP UEIDWK6H4HVA2F8CAGE6C3S8 Location: HAMILTON, 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	$131.5K ($131,452)
ARCBRIDGE CONSULTING & TRAINING INCORPORATED UEIHR6EBL7NH695CAGE1DXQ3 Location: STERLING, VASocio-economic status (SAM.gov): SBSDBWOSB	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	$130.9K ($130,948)
NATHAN RONALD VAUGHAN DBA VAUGHAN ANALYTICS UEIJFYUE12FUBL5CAGE8BQZ8 Location: MIAMI, FLSocio-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	$129.8K ($129,838)
OIL MANAGEMENT SERVICES, CORP. DBA OIL MANAGEMENT SERVICES CORP UEIGXT6SJJ12N96CAGE6C9J7 Location: HANSON, MASocio-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	$129.2K ($129,200)
ENVIROSERVE INC. UEIL4N8T9HBTBY8CAGE1NX96 Location: SANDY, UT	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	$129K ($128,969)
DAVENPORT-RHEA JV, LLC UEIMNPBMZAAUCA7CAGE7ZUS6 Location: WINSTON SALEM, NCSocio-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	$128.9K ($128,896)
DTJ MANAGEMENT LLC UEIMTXLP7EKB663CAGE9GUD7 Location: RENO, NVSocio-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	$128.7K ($128,687)

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

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

Related industries